Date   

BIG OOPS!!! Over !00 Ultralight Awards Conferred!

John H. Bryant <bjohnorcas@...>
 

In a very kind way, Rob Ross let me know that I had run his awards together with Richard Allens and compounded the error by leaving Rob's name out entirely!!!

We both are smiling at the thought of Richard wandering around north central Oklahoma mumbling to himself, trying to figure out how he got all those awards that he didn't even apply for!

My apologies to all parties, including the mailing list for making you deal with multiple versions of this compilation. The version below, in blue, has been corrected.

John Bryant
Wandering Around Orcas Island, Confused as Usual!



Date: Mon, 11 Aug 2008 06:38:19 -0700
To: ultralightdx@...
From: "John H. Bryant"
Subject: Over !00 Ultralight Awards Conferred!

 As you may recall, the Ultralight Awards Committee and Gary DeBock previously announced four Founder's Awards to Paul Logan, Robert Ross, Dennis Vroom and Allen Willie for their unique contributions to the Ultralight DXing hobby. Following those special awards, on July 15th, the Awards Committee announced the general Awards Program for Ultralight MW DXing.

In the first several weeks have conferred an even 100 awards on some of the outstanding DXers in the hobby.  These remarkable achievements have been accomplished using entertainment grade shirt pocket portable radios. You will note that there are two radio classes listed: Barefoot, connoting DX achievements accomplished by a totally unmodified radio unassisted by any external antenna or other device. The Unlimited Class radios are Ultralight receivers that have been modified in some rather limited ways or have been attached to larger, more complex antennas and, possibly other peripheral devices. In either radio class, the accomplishments recognized below are outstanding, and many would be classed as "unbelievable" before the development of the Ultralight segment of the Medium Wave DXing hobby. There are separate groups of awards and separate serial number series for the two Ultralight radio classes.

Congratulations to all those Ultralighters listed below: 

DXer              Radio Class         Award                      Serial Number
Allen Willie    Barefoot  Canadian Prov. Heard: 4      0001
                                         Canadian Prov. Heard: 6      0001
                                         Continents Heard: 3             0001
                                         Continents Heard: 4             0001
                                         Continents Heard: 5             0001
                                         Countries Heard: 05             0001
                                         Countries Heard: 10             0001
                                         Countries Heard: 15             0001
                                         Countries Heard: 20             0001
                                         Countries Heard: 25             0001
                                         Countries Heard: 30             0001
                                         Countries Heard: 35             0001
                                         Countries Heard: 40             0001
                                         Countries Heard: 45             0001
                                         Countries Heard: 50             0001
                                         Master Dxer: Canadian Prov 0001
                                         Master DXer: International    0001
                                         Master Dxer: Trans-Atlantic 0001
                                         Ross Challenge: 07 Day       0003
                                         Stations Heard: 100              0002
                                         Stations Heard: 200              0002
                                         Trans-Atlantic DXer               0001                                        
                                         TA Stations Heard: 10           0001
                                         TA Stations Heard: 20           0001
                                         TA Stations Heard: 25           0001
                                         TA Stations Heard: 30           0001
                                         TA Stations Heard: 40           0001
                                         TA Stations Heard: 45           0001
                                         TA Stations Heard: 50           0001
                                         TA Stations Heard: 60           0001
                                         TA Stations Heard: 70           0001
                                         TA Stations Heard: 80           0001
                                         TA Stations Heard: 90           0001
                                         TA Stations Heard: 100         0001
                                         TA Stations Heard: 110         0001
                                         TA Stations Heard: 120         0001
                                         TA Stations Heard: 130         0001
                                         US States Heard: 10             0002
                                         US States Heard: 20             0002

Dennis Vroom   Unlimited  Countries Heard: 05        0002

Gary DeBock Barefoot  Trans-Pacific Dxer               0001
Gary DeBock Unlimited Trans-Pacific Dxer               0001

Gil Stacy Barefoot          Countries Heard: 05            0004
                                          Latin AM DXer 05                 0002
Gil Stacy Unlimited         Countries Heard: 10            0002
                                          Latin Stations Heard: 10      0001

Guy Atkins Unlimited     Continents Heard: 03           0002
                                          Countries Heard: 05            0003
                                          Trans-Pacific Dxer              0003
                                          TP Stations Heard: 10         0002

John Bryant Unlimited  Continents Heard: 03           0001
                                         Countries Heard: 05             0001
                                         Countries Heard: 10             0001
                                         Latin AM DXer (05)               0001
                                        Trans-Pacific Dxer                0004
                                        TP Stations Heard: 10           0001
                                        TP Stations Heard: 20           0001
                                        US States Heard: 10             0001

John Cereghin Unlimited Stations Heard: 100         0001
                                         US States Heard: 10            0001
                                         US States Heard: 20            0001

Lorne Harnum Barefoot Canadian Prov. Heard: 4    0003
                                         Continents Heard: 3             0002
                                         Continents Heard: 4             0002
                                         Countries Heard: 05             0003
                                         Countries Heard: 10             0002
                                         Countries Heard: 15             0002
                                         Countries Heard: 20             0002
                                         Trans-Atlantic Dxer              0002
                                         TA Stations Heard: 10          0002
                                         TA Stations Heard: 20          0002
                                         TA Stations Heard: 30          0002
                                         TA Stations Heard: 35          0002
                                         TA Stations Heard: 40          0002
                                         TA Stations Heard: 45          0002

Richard Allen Barefoot Latin AM DXer 05                  0003
                                         Latin Stations Heard 10        0002
                                         Latin Stations Heard 20        0002
                                         Stations Heard: 100              0003
                                         Stations Heard: 200              0003
  

 Rob Ross Barefoot      Canadian Prov. Heard: 4      0002
                                         Canadian Prov. Heard: 6      0002
                                         Countries Heard: 05             0002
                                         Latin AM DXer (05)               0001
                                         Latin Stations Heard 10        0001
                                         Latin Stations Heard 20        0001
                                         Latin Stations Heard 25        0001
                                         Latin Stations Heard 30        0001
                                         Master Dxer: Canadian Prov. 0002
                                         Ross Challenge: 07 Day      0001
                                         Ross Challenge: 30 Day      0001
                                         Stations Heard: 100              0001
                                         Stations Heard: 200              0001
                                         Stations Heard: 300              0001
                                         Stations Heard: 400              0001
                                         US States Heard: 10             0001
                                         US States Heard: 20             0001
                                         US States Heard: 25             0001
                                         US States Heard: 30             0001

One of the reasons for the very large number of awards is that all DXers making award submittals were conferred awards as if the awards program was in effect from the beginning of the Ultralight movement. For instance, Rob Ross, whose station count is nearing 500, received awards for !00, 200, 300 and 400 Stations Heard. This retroactive policy will continue in effect for DXers who have not yet submitted their loggings. It should also be noted that several DXers in the list above have yet to make submittals for the majority of awards that are their due. 

Information on Ultralight DXing in general and the Awards Program in particular is available from the Ultralight Files area of dxer.ca. Awards submittals go to Rob Ross of the Committee at va3sw@...

Our hearty congratulations to all the Ultralighters listed above. Bravo and Well Done!

John H. Bryant
for the
Ultralight Awards Committee
Gary DeBock, Rob Ross, John Bryant


Over !00 Ultralight Awards Conferred!

John H. Bryant <bjohnorcas@...>
 

 As you may recall, the Ultralight Awards Committee and Gary DeBock previously announced four Founder's Awards to Paul Logan, Robert Ross, Dennis Vroom and Allen Willie for their unique contributions to the Ultralight DXing hobby. Following those special awards, on July 15th, the Awards Committee announced the general Awards Program for Ultralight MW DXing.

In the first several weeks have conferred an even 100 awards on some of the outstanding DXers in the hobby.  These remarkable achievements have been accomplished using entertainment grade shirt pocket portable radios. You will note that there are two radio classes listed: Barefoot, connoting DX achievements accomplished by a totally unmodified radio unassisted by any external antenna or other device. The Unlimited Class radios are Ultralight receivers that have been modified in some rather limited ways or have been attached to larger, more complex antennas and, possibly other peripheral devices. In either radio class, the accomplishments recognized below are outstanding, and many would be classed as "unbelievable" before the development of the Ultralight segment of the Medium Wave DXing hobby. There are separate groups of awards and separate serial number series for the two Ultralight radio classes.

Congratulations to all those Ultralighters listed below: 

DXer              Radio Class         Award                      Serial Number
Allen Willie    Barefoot  Canadian Prov. Heard: 4      0001
                                         Canadian Prov. Heard: 6      0001
                                         Continents Heard: 3             0001
                                         Continents Heard: 4             0001
                                         Continents Heard: 5             0001
                                         Countries Heard: 05             0001
                                         Countries Heard: 10             0001
                                         Countries Heard: 15             0001
                                         Countries Heard: 20             0001
                                         Countries Heard: 25             0001
                                         Countries Heard: 30             0001
                                         Countries Heard: 35             0001
                                         Countries Heard: 40             0001
                                         Countries Heard: 45             0001
                                         Countries Heard: 50             0001
                                         Master Dxer: Canadian Prov 0001
                                         Master DXer: International    0001
                                         Master Dxer: Trans-Atlantic 0001
                                         Ross Challenge: 07 Day       0003
                                         Stations Heard: 100              0002
                                         Stations Heard: 200              0002
                                         Trans-Atlantic DXer               0001                                        
                                         TA Stations Heard: 10           0001
                                         TA Stations Heard: 20           0001
                                         TA Stations Heard: 25           0001
                                         TA Stations Heard: 30           0001
                                         TA Stations Heard: 40           0001
                                         TA Stations Heard: 45           0001
                                         TA Stations Heard: 50           0001
                                         TA Stations Heard: 60           0001
                                         TA Stations Heard: 70           0001
                                         TA Stations Heard: 80           0001
                                         TA Stations Heard: 90           0001
                                         TA Stations Heard: 100         0001
                                         TA Stations Heard: 110         0001
                                         TA Stations Heard: 120         0001
                                         TA Stations Heard: 130         0001
                                         US States Heard: 10             0002
                                         US States Heard: 20             0002

Dennis Vroom   Unlimited  Countries Heard: 05        0002

Gary DeBock Barefoot  Trans-Pacific Dxer               0001
Gary DeBock Unlimited Trans-Pacific Dxer               0001

Gil Stacy Barefoot          Countries Heard: 05            0004
                                          Latin AM DXer 05                 0002
Gil Stacy Unlimited         Countries Heard: 10            0002
                                          Latin Stations Heard: 10      0001

Guy Atkins Unlimited     Continents Heard: 03           0002
                                          Countries Heard: 05            0003
                                          Trans-Pacific Dxer              0003
                                          TP Stations Heard: 10         0002

John Bryant Unlimited  Continents Heard: 03           0001
                                         Countries Heard: 05             0001
                                         Countries Heard: 10             0001
                                         Latin AM DXer (05)               0001
                                        Trans-Pacific Dxer                0004
                                        TP Stations Heard: 10           0001
                                        TP Stations Heard: 20           0001
                                        US States Heard: 10             0001

John Cereghin Unlimited Stations Heard: 100         0001
                                         US States Heard: 10            0001
                                         US States Heard: 20            0001

Lorne Harnum Barefoot Canadian Prov. Heard: 4    0003
                                         Continents Heard: 3             0002
                                         Continents Heard: 4             0002
                                         Countries Heard: 05             0003
                                         Countries Heard: 10             0002
                                         Countries Heard: 15             0002
                                         Countries Heard: 20             0002
                                         Trans-Atlantic Dxer              0002
                                         TA Stations Heard: 10          0002
                                         TA Stations Heard: 20          0002
                                         TA Stations Heard: 30          0002
                                         TA Stations Heard: 35          0002
                                         TA Stations Heard: 40          0002
                                         TA Stations Heard: 45          0002

Richard Allen Barefoot Latin AM DXer 05                  0003
                                         Latin Stations Heard 10        0002
                                         Latin Stations Heard 20        0002
                                         Stations Heard: 100              0003
                                         Stations Heard:200               0003
                                         Canadian Prov. Heard: 4      0002
                                         Canadian Prov. Heard: 6      0002
                                         Countries Heard: 05             0002
                                         Latin AM DXer (05)               0001
                                         Latin Stations Heard 10        0001
                                         Latin Stations Heard 20        0001
                                         Latin Stations Heard 25        0001
                                         Latin Stations Heard 30        0001
                                         Master Dxer: Canadian Prov. 0002
                                         Ross Challenge: 07 Day      0001
                                         Ross Challenge: 30 Day      0001
                                         Stations Heard: 100              0001
                                         Stations Heard: 200              0001
                                         Stations Heard: 300              0001
                                         Stations Heard: 400              0001
                                         US States Heard: 10             0001
                                         US States Heard: 20             0001
                                         US States Heard: 25             0001
                                         US States Heard: 30             0001

One of the reasons for the very large number of awards is that all DXers making award submittals were conferred awards as if the awards program was in effect from the beginning of the Ultralight movement. For instance, Rob Ross, whose station count is nearing 500, received awards for !00, 200, 300 and 400 Stations Heard. This retroactive policy will continue in effect for DXers who have not yet submitted their loggings. It should also be noted that several DXers in the list above have yet to make submittals for the majority of awards that are their due. 

Information on Ultralight DXing in general and the Awards Program in particular is available from the Ultralight Files area of dxer.ca. Awards submittals go to Rob Ross of the Committee at va3sw@...

Our hearty congratulations to all the Ultralighters listed above. Bravo and Well Done!

John H. Bryant
for the
Ultralight Awards Committee
Gary DeBock, Rob Ross, John Bryant


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Sony ICF-4900/4920, ICF-SW20 and ICF-SW22

Stephan Grossklass
 

Hi all,

has anyone tried these little analog-tuned Sony sets? They
should all be CX20091 based (later versions of the IC:
CXA1191, CXA1691). The '4900 is the largest of the bunch, at
a "whopping" 130 x 76 x 25 mm, with the others being no
larger than 110 x 71 x 24 mm.
A guy on another group swears by his SW20 as it is one of
few sets that will not give trouble with birdies on a station
at exactly 910 kHz, and I have read fairly positive comments
on the MW performance of this model elsewhere. (My only
CX20091 based set, the larger ICF-7601, is a pretty good
performer but wouldn't mind a somewhat larger AGC range and
is a touch hissy.)

Stephan


Re: Sony SRF-S84-- Tiniest of the CXA1129N Analog Family

Stephan Grossklass
 

Sadly, CXA1129 based radios are near unobtainium over here.
One can get a SRF-S84N (is that the same as the "regular"
one?) for close to 50 EUR, but that's about it.

Re: spam, I haven't had much trouble with unmoderated
groups either. One only has to make sure that there is
some moderation redundancy, which (a) ensures that spam
can be deleted quickly if it does crop up and (b) should
keep a group from ending up without any active moderator
at all, since an abandoned group flooded with spam is
about the most frustrating thing ever (and Yahoo! can do
little more than delete it, which generally is not what
one wants).

Stephan


Re: Sony SRF M37V image problem solved - Update

Stephan Grossklass
 

--- In ultralightdx@..., satya@... wrote:

False alarm! I forgot that the M37V uses a 450 khz filter, and so
the images are only 900 khz away.
BTW, you know what the reason for 450 kHz is? With a 3 or 9 kHz
PLL reference frequency (and thus granularity), you'd never hit
the 9 kHz frequency grid precisely when using 455 kHz. (Same
goes for a 10 kHz reference in 10 kHz territory.)

Stephan


Re: Sony SRF-S84-- Tiniest of the CXA1129N Analog Family

Gary DeBock
 

Hello Stephan,
 
     I was able to "export" a 530-1710 kHz SRF-59 and SRF-39FP (while it was still available) to Paul in Northern Ireland, and would be willing to help other European Ultralight enthusiasts if necessary.  I don't know if your SRF-S84N model is comparable to my SRF-S84 unit from Hong Kong, but it will be fully reviewed in the Summertime Shootout, as well as the SRF-M97V, DT-400W, E100, and SRF-M37W units.
 
                                                                                73,  Gary DeBock  (N7EKX)   




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Sony SRF-S84-- Tiniest of the CXA1129N Analog Family

Gary DeBock
 

Hello Guys,
 
     If you like the SRF-59 and SRF-39FP analog Ultralights because of their size/performance ratio, you will certainly love the smaller (and less common) SRF-S84.
 
     At 3" x 1.4" and weighing all of 1.7 ounces, the smallest current member of the CXA1129N-based Sony models packs a lot of performance in an extremely small package.  With a 1.19" x .25" midget loopstick and extensive FM stereo features, one might easily get the impression that this model is useless for AM-DXing.  But like almost all of its SRF-59 siblings, it is typically not aligned to full sensitivity at the factory, and gains significant DX performance when its loopstick coil and high-band trimmer are peaked by a caring technician.
 
     After alignment of my Summertime Shootout model, it can provide some surprising daytime DX receptions, although its tiny analog tuning dial is not going to impress very many hobbyists.
 
     This silver-colored overachiever can be purchased on eBay for around $31.45 plus $5 shipping from various Hong Kong exporters (hkequipment and ecbuy_shop), which is certainly smarter than going through Amazon.com ($99.00 plus shipping via Wall Street Photo).  Like all CXA1129N analog units, free AM alignment will be provided here if you can ship it prepaid to P.O. Box 1313, Puyallup, WA 98371, with $5 return postage. 
 
                        73,  Gary DeBock 




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Re: Sony SRF-M37V/W alignment

bbwrwy
 

Thanks Gary:

I'd figured out everything but the CT2 adjustment. I give it a try on
another day.

Richard.


Re: Sony SRF-M37V/W alignment

bbwrwy
 

Thanks everyone.

I managed to freed up the moving coil for the 600 kHz adjustment. Now
I need to figure out which control is used for the 1400 kHz
adjustment. My guess it's either the one marked "L4 MW OSC" or "CT2
MW RF". Because of thunderstorms I'll have to wait until another day.

I have to admit the E100 is easier to work on than the M37V/W. But as
some DXers have shown the little receiver has potential.

Richard Allen.


Re: Sony SRF-M37V/W alignment

Guy Atkins
 

Hi Gary,
 
Unfortunately I have no useful information to share on the SRF-M37V alignment. This model was the very first one ultralight I tried to align, and in so doing I reduced the sensitivity somehow to a point where it only receives the strongest locals. In fact, I think I may have blown an input transistor or similar. I was careful to return all trimmers, inductors, etc. to their original settings but the sensitivity I ended up with is nowhere near the stock sensitivity.
 
I have had wonderful results with "quick and dirty" alignments on other models such as the Sangeans and Etons, but the M37V was a dismal failure. I have moved on to using other models, particularly the E100, and I don't plan to work further with the M37V.
 
73,
 
Guy Atkins
Puyallup, WA
 
 

-----Original Message-----
From: ultralightdx@... [mailto:ultralightdx@...]On Behalf Of D1028Gary@...
Sent: Friday, August 08, 2008 12:18 PM
To: ultralightdx@...
Subject: Re: [ultralightdx] Sony SRF-M37V/W alignment

Hello Richard and Kevin,
 
     Because of a timing quirk, the SRF-M37V is one of the very few Ultralights that I haven't yet aligned.  It was part of the "Round One" Shootout posted on dxer.ca in late December, before I routinely started to align Ultralight radios prior to shootout competitions.  I know that local Puyallup, WA resident (and filter guru) Guy Atkins has done an alignment on an SRF-M37V, using instructions that I provided for a "quick and dirty" alignment on any AM portable without a service manual.  Perhaps he will read this, and share his experience. 
 
 
   
.


Re: Sony SRF-M37V/W alignment

Gary DeBock
 

Hello Richard,
 
     I just finished the MW alignment of my new SRF-M37W, in preparation for the Summertime Shootout.  It is not an alignment for the faint-hearted, to say the least.
 
     You were very close to finishing the alignment yourself--  the last step was to adjust the "CT2 MW RF" control to peak a high-band (1360-1450 kHz) weak signal.  This is the trimming capacitor closest to the upper right corner of the radio, and also the one at the tip of my index finger in a photo I will upload to the group photo site.
 
     The alignment itself requires a jumper wire between the disconnected red wire and the front circuit board ground, and also requires the hobbyist to hold the battery in place (to contact both the positive and negative leads).  In addition, the front panel should be placed over the front circuit board to allow use of the On-Off switch and Tuning controls, which creates quite a collection of jumpers, fingers, and circuit boards.
 
     The loopstick only has one coil secured with wax, however--  the other is secured with glue, and is not part of the 600 kHz alignment.  After this tricky procedure, no performance improvement was gained.  The new SRF-M37W was aligned to maximum sensitivity at the factory, with final sensitivity moderate in comparison to the SRF-T615.  Selectivity is still barn-door wide (local KSUH-1450 is heard from 1400-1610).
 
                                                                                 73,  Gary DeBock   
 

In a message dated 8/9/2008 7:00:42 P.M. Pacific Daylight Time, richarda@... writes:

Thanks everyone.

I managed to freed up the moving coil for the 600 kHz adjustment. Now
I need to figure out which control is used for the 1400 kHz
adjustment. My guess it's either the one marked "L4 MW OSC" or "CT2
MW RF". Because of thunderstorms I'll have to wait until another day.

I have to admit the E100 is easier to work on than the M37V/W. But as
some DXers have shown the little receiver has potential.

Richard Allen.

.


Re: Sony SRF-M37V/W alignment

Gary DeBock
 

Hi Guy, Richard and Kevin,
 
     The new SRF-M37W here needs to be aligned anyway before the Summertime Shootout, so I'll just put it at the top of the list, and write notes about which coils and trimmers to adjust.  For those needing alignment instructions for either the SRF-M37V or 37W models, this should do the trick.
 
     By the way, most of our current Ultralight model alignment instructions were made possible only by tinkerers performing "quick and dirty" operations without a service manual.  Guy was the first to perform the DT-200VX and SRF-T615 alignments, and deserves a lot of thanks for his efforts.  The E100 procedure was also developed this way here, among others.  The "quick and dirty" alignment procedure will also be performed on the SRF-M97V, SRF-S84, and DT-400W, before the Summertime Shootout.  We can then be sure how much sensitivity these units are capable of, as well as know how good the factory alignment is.
 
                                     73,  Gary
 
                                                                         
 
    




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Re: Sony SRF-M37V/W alignment

bbwrwy
 

I've posted several photos of a disassembled SRF-M37V.

To get to the RF circuit board you need to unsolder the red wire in
the lower left hand corner must be unsoldered. When reassembling the
receiver resolder and fit it into the notch below the solder point.

Richard Allen.


Mercy.Frankline Spam

John H. Bryant <bjohnorcas@...>
 

Sorry for the spam this morning.

We had been warned not to make this group a "public" group, where anyone could join without being vetted. The fear was that we would be flooded with spam. This is the first spam that I'm aware of in the 6 months or so of operation. I've already removed "Mercy.Frankline" as a member. If this becomes a problem, we will have to go to a restricted, vetted, format. I hope not.

May all spammers rot in hell!

John Bryant
List Manager


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EBay Seller Confirms-- No More SRF-39FP "Prison Radios"

Gary DeBock
 

Hello Guys,
 
     Those of you fortunate enough to have obtained a new Sony SRF-39FP  "Prison Radio" can consider yourselves lucky.  Greg Stanbury, the Florida seller responsible for providing almost all of the SRF-39FP's on eBay, has now confirmed that they are all gone.
 
     Undoubtedly the most popular analog DXing Ultralight, the "Prison Radio" holds many of the Ultralight DXing records, and was extensively modified with huge loopsticks, a digital frequency readout, vernier tuning dials, etc.  It was especially popular in Canada, where the eBay seller himself refused to ship.  Because of phenomenal Canadian support for the Ultralight Radio program, many units made it across the border anyway.
 
     Although most current DXer experimentation is on the E100 model (another popular Ultralight model facing an uncertain future), the SRF-39FP will certainly continue to be popular for mofication, as well as for stock DXing.  Enjoy it either way, for it's a true classic.
 
     73,  Gary 




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Re: Sony SRF-M37V/W alignment

bbwrwy
 

Thanks Kevin and Gary. I likewise tried, without success, to obtain a
service manual. As common as these receivers are you would think it'd
be easier. I feel the alignment process is fairly straight forward,
but I just don't want to do the wrong thing. The antenna detaches from
the bottom of the circuit board and it has two coils. I might send
along a photo or two for you to see.

Regarding the weather band, I can't hear any of the three NOAA
stations in area. All are within about 45 miles of my QTH. Of
course, I didn't buy the receivers to listen to NOAA. I simply wanted
a good receiver to stick in my pocket and it readily fits that
requirement.

Have a good DX weekend.

Richard Allen


Re: Welcome to New Ultralightdx Members!

markjtaylor73 <beulahland@...>
 

--- In ultralightdx@..., D1028Gary@... wrote:

Hello Guys,

We are thrilled at the rapid growth of Ultralight radio interest among
the AM-DX community, and very happy to note that our Yahoo group site now has
59 members.

We also extend our warmest welcome to new members markjtaylor73,
darobin12001, radioman69uk, sgrossklass, flemingchris, and rjbrjb20022002.

73 and Best Wishes,

Gary DeBock (N7EKX)
Hello to all,

Thank you Gary for the kind welcome. I currently have a Sony 7600GR and a Grundig
Mini World 100 PE. The Grundig certainly qualifies as an ultralight. I look forward to
reading and posting on this sight. Thanks again.

Regards,

Mark Taylor


Re: Sony SRF-M37V/W alignment

satya@...
 

Hi Richard:

Gary DeBock tried a couple places on-line who claimed to have M37V service
manuals, but no one ever actually sent him the manual. Not sure how much
he spent on the effort, but there appears to be no such manual readily
available. Now that Sony is coming out with the M37W model, perhaps Sony
will reissue the manual?

My M37V has weather band as well, and it appears to do fine picking up WB
here in the metro Seattle area. I haven't tried it out in a more distant
area, though.

73 - Kevin S
Bainbridge Island, WA

Has anyone performed an alignment of a M37? If so, could you share
with us how to do it?

Because I have three of these little receivers, I decided to
disassemble the least sensitive one. After removing four screws from
the back, you have to be careful with the clips holding the
logic/display circuit board in place. They are easily broken,
especially the one over the battery compartment. Also a short wire
runnig between the two circuit boards needs to be unsoldered. It's in
the lower left hand side, near the DX/local switch.

But I don't know where the adjustment points for alignment are
located. And I don't want to rely on guesswork.

I really enjoy using these little receivers, whether for general
listening or DXing. I always carry one (or a SRF-M35) with me to
sporting events. They fit into my hand just right and, in my opinion,
have a decent battery life. True, strong signals tend to spill over to
adjacent channels, such as local KFXY-1640 is heard from 1620 to 1660
kHz during the day. I assume this can be corrected somewhat with
tighter filters. So far I haven't found the images some others have
reported. However, I do wonder about Sony quality control because the
sensitivity on my three sets varies widely with the newer M37W being
the best. It's amazing how well the five centimeter antenna pulls in
signals. Its nulling ability is excellent.

The only real disappointment I've found is the weather band - it's
useless. I live in what is called "tornado alley" and the M37W's are
often sold locally (especially by Wal-Mart) as weather radios. It's
definitely false advertising.