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Re: Ferrite rod diameter performance
bill@...
Steve,
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Thanks for pointing this out! The assertion had a nagging counterintuitivity to it. I feel better now. Bill Please note that this info about ferrite length only applies to a |
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Re: Ferrite rod diameter performance
Steve Ratzlaff
Please note that this info about ferrite length only applies to a ferrite sleeve loop (FSL). For a non-FSL, such as a standard ferrite rod loopstick, diameter of the rod as well as length of the rod determines overall sensitivity, with larger diameter as well as longer rod length giving better sensitivity. 73, Steve AA7U (with extensive experimentation in FSL and loopsticks) On 9/8/2016 9:09 AM, bill@...
[ultralightdx] wrote:
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Re: Ferrite rod diameter performance
bill@...
Gord-
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There is an excellent tutorial on ferrite bar performance in varying configurations at: http://am-dx.com/antennas/FSL%20Antenna%20Design%20Optimization.htm Their #1 conclusion was: "1) There is no weak-signal advantage to be gained by using either ferrite bars or ferrite rods. The only performance factor related to ferrite is the length of the ferrite material, whether it is in bar or rod form. For a given FSL coil diameter, as long as the ferrite permeability is identical, longer ferrite material will always outperform shorter ferrite material, and the weight and thickness of the ferrite material is irrelevant to weak-signal performance (this was proven in seven FSL match ups)." Bill Slugg Albany, GA Can anyone tell me if there would be much performance difference using |
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Puyallup, WA Ultralight TP's for 9-8
Thanks to Steve for his report from Arizona (and coincidentally, I made a recording of the same song from 1566-HLAZ as Steve mentioned in his report at 1326). Asian signals were dramatically improved this morning, with the Japanese leading the show. Besides a potent signal from 594-JOAK for most of the session a presumed 1053-JOAR was in a strong mix with the Jammer, while 1134-JOQR was back with its hyper-speed talk for most of sunrise enhancement.
In the predawn darkness at my 1250 start time it was already obvious that propagation was far better than yesterday's, with 594, 693, 747, 828, 1053 and 1566 having fair audio peaks in and out, and the mid-band Chinese stations on 1017, 1035 and 1044 at threshold level. 594-JOAK went on a strong run around 1300 but the most interesting signal was a strong mix on 1053, with the Jammer's co-channel having Japanese intonation (probably JOAR, somewhat unusual here). The Korean stations on 603, 657 and 972 all managed weak audio in and out throughout sunrise enhancement but the main star of the session was 594-JOAK, which held very good strength for a full half hour period from 1300-1330. Late on around 1325 another powerful signal showed up from 1566-HLAZ, while 1575-VOA was in and out of audio at the same time. The best Chinese mid-band performer of the session was 1044-CRI, which came up with a few peaks of fair speech around 1323 which could be identified as Japanese. Overall the Asian propagation had good variety and strength, although it was primarily the big gun TP's showing up.
594 JOAK Tokyo, Japan Very good level Japanese female and male speech at 1328
1053 JOAR Nagoya, Japan Presumed the one with Japanese intonation in a strong mix with the Korean jammer at 1303; somewhat unusual here
1566 HLAZ Jeju, S. Korea "In Christ the Solid Rock I Stand" song at a very good level at 1326 (mentioned by Steve in his Arizona report)
73 and Good DX,
Gary DeBock (in Puyallup, WA, USA)
7.5" loopstick C.Crane Skywave Ultralight +
15" FSL antenna (in the rainy back yard)
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Re: Ferrite rod diameter performance
Hello Gord,
Back in 2010 a PL-380 had this kind of "stealth modification" performed, which is described in the experimental report below. The experiment involved replacing the Chinese "bargain bin" Litz wire with higher quality 40/44 Litz wire on the same ferrite bar, then reinstalling it in the radio.
As I recall, the modified PL-380 did have quite a boost in performance, as described. But of course it really couldn't compete with the 7.5" external loopstick PL-380, which has been in extreme demand for over 5 years.
73, Gary DeBock (in Puyallup, WA, USA)
Pasted:
Initial Experimental Report:
> > Hello All, > > Yesterday there was a moderately successful experiment to wind a 40/44 > Litz wire coil on a PL-310 stock ferrite bar, which was successful in > providing about a 4 dBu average increase in the RSSI readings from 530- 1700 kHz > (as well as slightly better signal quality on weak stations, with the fringe > benefit of stopping the PL-310 from kicking in to "soft mute" so quickly). > But I should confess that the PL-310 experimentation yesterday was really > only a warm up for my true pet project-- creating a similar in-cabinet > loopstick for the PL-380, which hopefully would boost up its 530-1700 kHz > sensitivity in the same way. > > As with the PL-310 yesterday, the PL-380's cabinet interior has very > little free space, making it mandatory that the stock ferrite bar by recycled in > a new loopstick (in the absence of a type 61 bar of the same shape and > size, which seems unavailable) > bar can be successfully removed from its slot in the cabinet, although > patience is required for this task, and the stock coil windings themselves always > get mangled when the glue bonds are broken. > > As yesterday, the stock ferrite bar was first wound with the maximum > amount of 40/44 Litz wire that its length would allow (providing about 512 uh), > then coil turns were subtracted until the Si4734 chip varactor suddenly > allowed a huge boost in signal reception on an extreme high band frequency (in > this case, 1700 kHz). The inductance at this point was measured at 434 uh, > which was somewhat higher than the "breakthrough" PL-310 inductance found > yesterday (416 uh). The exciting result of the experiment was that this > enhanced loopstick provided a clear increase in PL-380 AM sensitivity from > 530-1700 kHz, both in the RSSI readings (averaging 4 dBu increase across the > band) and in the signal quality of weak stations. The stock PL-380 clearly > cannot compete with this "stealth modified" PL-380 model, which will be > tested tomorrow against the stock PL-310. > > This modification costs almost nothing (about $5 of 40/44 Litz wire), and > leaves the PL-380's outward appearance unchanged. Further testing will be > conducted tomorrow against both the stock PL-310, and the "stealth modified" > PL-310. Thanks also to Steve Ratzlaff for his excellent description of > coil Q, and detailed readings on both the PL-310 and PL-380. Steve was my > experimental partner in the creation of the SWP 7.5" Slider models, designing > the CFJ455K5 filter modification for the C.Crane SWP ultralight (while I > designed the Slider loopstick modification) > > 73 and Good DX, > Gary DeBock (in Puyallup, WA, USA) -----Original Message----- From: gordrstaples@... [ultralightdx] To: ultralightdx Sent: Wed, Sep 7, 2016 12:30 pm Subject: [ultralightdx] Ferrite rod diameter performance I'm trying to replace the internal original ferrite rod antenna in my Tecsun PL380 (weak AM performance) with a better quality internal antenna. I know many have mounted a huge antenna on top of their radio but I want to keep the antenna inside the radio. There is enough room inside (after a bit of cutting plastic away) to mount a 3/8" x 4" rod. I was hoping to use Amidon type 61 ferrite rod but they don't make it in the 3/8" x 4" size. They do however make a 1/4" x 4" size ferrite rod.
Can anyone tell me if there would be much performance difference using a 1/4" vs 3/8" diameter rod?
Does anybody have a source for high quality 3/8" x 4" ferrite rods?
Has anyone mounted a better internal antenna before and if so what materials did they use and how much better did it perform?
Thanks
Gord
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Re: New file uploaded to ultralightdx
Hi Guy, I am not at home, but I think that it is a turns ratio of 16:1. The induction coupling gives more gain than the direct coupling. One interesting thing that I see with the multi coil FSL is that I see a big pick up in gain with the 3 coils in parallel over the 3 coil in series. This can be seen in the lower part of the MW band where there is a overlap of MW and LW bands. Everett N4CY On Sep 7, 2016, at 5:51 PM, dx@... [ultralightdx] <ultralightdx@...> wrote:
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Re: New file uploaded to ultralightdx
Hi Everett, You do beautiful work with your FSLs, and I admire your careful approach to designing these antennas, as you've documented in your articles. Did this new FSL use a 64:1 ratio transformer after the pick-up coil? I think that was the ratio you've mentioned in the past which worked the best without loading down the receiver. Also, could you comment on any gain or sensitivity differences with weak signals you've noticed between inductive coupling and direct coupling? 73, Guy Atkins Puyallup, WA |
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Re: Puyallup, WA Ultralight TP's for 9-7
Michael,
Thanks for the interesting link regarding the Russian "Woodpecker." I clearly remember its nasty signal, which had the unique ability to show up whenever I was chasing some hot QRP-DX back in the 80's.
As for purchasing the "Woodpecker," however, I think I'll pass. I've already imported more Red Army ferrite rods than anybody on the planet, and quite possibly provided early retirement for multiple Ukrainian eBay sellers.
73, Gary
-----Original Message----- From: Michael michael.setaazul@... [ultralightdx] To: ultralightdx Sent: Wed, Sep 7, 2016 8:42 am Subject: Re: [ultralightdx] Puyallup, WA Ultralight TP's for 9-7 Welcome back to the world of the rest of us, Gary :-)
Solution : make a bid for the defunct Russian Woodpecker before it collapses. Only the reflector would be needed, so you could cover your costs by selling off the dipole array for scrap and/or to serious hams :- https://northatlanticblog.wordpress.com/2015/04/27/the-russian-woodpecker/ Michael On 07.09.16 16:20, D1028Gary@... [ultralightdx] wrote: > > After a tough psychological transition from being an ocean cliff DU-DXer > it was back to the humble reality of chasing anemic Asians from a > lackluster inland location. |
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Ferrite rod diameter performance
gordrstaples
I'm trying to replace the internal original ferrite rod antenna in my Tecsun PL380 (weak AM performance) with a better quality internal antenna. I know many have mounted a huge antenna on top of their radio but I want to keep the antenna inside the radio. There is enough room inside (after a bit of cutting plastic away) to mount a 3/8" x 4" rod. I was hoping to use Amidon type 61 ferrite rod but they don't make it in the 3/8" x 4" size. They do however make a 1/4" x 4" size ferrite rod. Can anyone tell me if there would be much performance difference using a 1/4" vs 3/8" diameter rod? Does anybody have a source for high quality 3/8" x 4" ferrite rods? Has anyone mounted a better internal antenna before and if so what materials did they use and how much better did it perform? Thanks Gord |
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Re: Puyallup, WA Ultralight TP's for 9-7
Michael <michael.setaazul@...>
Welcome back to the world of the rest of us, Gary :-)
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Solution : make a bid for the defunct Russian Woodpecker before it collapses. Only the reflector would be needed, so you could cover your costs by selling off the dipole array for scrap and/or to serious hams :- https://northatlanticblog.wordpress.com/2015/04/27/the-russian-woodpecker/ Michael On 07.09.16 16:20, D1028Gary@... [ultralightdx] wrote:
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Puyallup, WA Ultralight TP's for 9-7
After a tough psychological transition from being an ocean cliff DU-DXer it was back to the humble reality of chasing anemic Asians from a lackluster inland location. As if to emphasize the point the Asians didn't sound very healthy, with the exception of the 1053-Jammer and a somewhat energetic 1134-JOQR.
The modest session started off at 1300 with only the Jammer in weak audio, although the Japanese on 594, 693, 747 and 1134 were all at threshold level (along with 1566 and 1575). The 1053-Jammer and 1134-JOQR seemed to build up strength while the others floundered, with the Jammer hitting a good level at 1310 and JOQR managing good peaks (in the Vancouver splatter) shortly thereafter. 594-JOAK, 693-JOAB and 747-JOIB reached fair peaks in and out at best from 1305-1330, while 603, 972 and 1044 stayed at carrier level. The anemic Asians started to pack it in around 1330, providing a fresh reminder of how short the Puyallup version of sunrise enhancement can be in comparison to the ocean coast (or even Victoria). Although both the 1053-Jammer and 1134-JOQR reached temporary good levels the only thing really energetic throughout the session were the back yard mosquitoes, which provided a stark reminder why short pants are not the desired outdoor DXing attire. Overall the session was pretty lackluster, although the weather was somewhat better than what we faced at the ocean cliff with the Japanese visitors in July.
1053 Korean Jammer Good jam session at 1310; best Asian signal of the morning
1134 JOQR Tokyo, Japan Energetic Japanese conversation at a temporary good level through Vancouver splatter at 1315
73 and Good DX,
Gary DeBock (in Puyallup, WA, USA)
7.5" loopstcik C.Crane Skywave Ultralight +
15" FSL antenna
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Re: New file uploaded to ultralightdx
Michael, Thanks for the positive comments. I spent a lot of time building this one, however, it is on it's way to California to its new owner. Everett N4CY. On Sep 6, 2016, at 4:02 AM, Michael michael.setaazul@... [ultralightdx] <ultralightdx@...> wrote:
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The 10" X 10" FSL has Sold
The 10" X 10" FSL that was just posted in the files section was just sold last night. Everett N4CY On Sep 5, 2016, at 3:05 PM, ultralightdx@... wrote:
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Re: New file uploaded to ultralightdx
Michael <michael.setaazul@...>
Hi Everett,
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Art implementing science - should be on display in the Smithsonian :-) Michael On 05.09.16 21:05, ultralightdx@... wrote:
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New file uploaded to ultralightdx
ultralightdx@...
Hello,
This email message is a notification to let you know that a file has been uploaded to the Files area of the ultralightdx group. File : /Ferrite Sleeve Loop Antennas/10 X 10 Tri-Coil, Dual Band FSL.doc Uploaded by : everettsharp74 <everettsharp@...> Description : 10 X 10 Tri-Coil, Dual Band FS You can access this file at the URL: https://groups.yahoo.com/neo/groups/ultralightdx/files/Ferrite%20Sleeve%20Loop%20Antennas/10%20X%2010%20Tri-Coil%2C%20Dual%20Band%20FSL.doc To learn more about file sharing for your group, please visit: https://help.yahoo.com/kb/index?page=content&y=PROD_GRPS&locale=en_US&id=SLN15398 Regards, everettsharp74 <everettsharp@...> |
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Re: Oklahoma TP DX 9/2/16
Paul Blundell
Nice catch. On 3 Sep 2016 02:15, "Richard N Allen richarda@... [ultralightdx]" <ultralightdx@...> wrote:
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Oklahoma TP DX 9/2/16
bbwrwy
A strong carrier was heard on 702 kHz from 1156 UTC until local sunrise at 1204. No audio heard to properly ID source but assume it was 2BL, Sydney NSW. The signal faded away shortly after sun-up. No signal on 774 (3LO). Receiver: C Crane Skywave with 8" FSL.
Good DX. Richard Allen, near Perry OK USA. -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. |
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Re: Sangean
policow6@...
I think you will like the DT-160. Although it is a better FM radio than AM because of its tiny ferrite antenna it nevertheless is great for its size and is overall a nice package and seems well made. https://radiojayallen.com/sangean-dt-160-amfm-mini-portable/ Jay |
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August 2016 Rockwork 4 DXpedition Loggings and MP3's
From August 5-8 a solo DXpedition was conducted from the Rockwork 4 ocean cliff near Manzanita, Oregon, USA. Since this was supposedly a "family vacation" the hours of DXing were limited, and only a couple of large FSL antennas (17" and 15") could be fit inside our crammed Toyota Corolla. Despite this the DU-DXing propagation was very favorable to both New Zealand and other areas, providing results superior in certain aspects to those observed during the 7-day July DXpedition conducted with Tom, Nick and the Japanese visitors.
High points were a breakout session from the rare low-band Kiwi 531-More FM, which had the usual regular 531-PI on the run for 90 minutes on August 5th. 558-Fiji made a surprise appearance at a good level on August 8th, while a 558 DU English station was received during long-range Australian conditions on August 6th (after 558-6WA was received by Chuck, Tom and I last year, at this site). The 2 kW Kiwi station 1026-Newstalk ZB was received for the first time on FSL antennas at this cliff, while the big gun Kiwis on 657, 702 and 1035 pounded in at legendary levels when NZ propagation was enhanced. Not everything was perfect, however-- although the low-powered Kiwi stations on 531, 936 and 1026 were logged the ones on 576, 585 and 828 ended up MIA-- most likely because of the lack of time to track them down on a single FSL during exceptional Kiwi propagation. The absence of the Perseus-SDR DXers was also keenly felt as mysteries like the 558 station were tough to solve without multiple parallel network recordings. Overall the trip was highly enjoyable, though, and the early August propagation was every bit as thrilling as what we enjoyed together a year ago at this plunging cliff site.
The following stations were all received on a 7.5" loopstick C.Crane Skywave Ultralight portable inductively coupled to a tuned 17" FSL antenna, with the exception of the 531 kHz stations and 558-Fiji (which were received on a 15" FSL antenna). Stations which reached an S9 level during the MP3 recording are identified with a double asterisk (**).
531 4KZ (Innisfail, Australia, 10 kW) Presumed the one with classic pop format at 1220 and mention of Australia during Rio Olympic report at 1241 on 8-8. Only dominant on this one day https://app.box.com/s/jxtn7jbremeaounjywy6m8tmqdpxml08
531 More FM (Alexandra, NZ, 2 kW) Rare Kiwi urban rock broadcaster with typically short male-voiced ID at 1248 (first MP3), then very short female voiced ID at 7 seconds into the second MP3 at 1259 on 8-5-- followed by the station's typical hip-hop rock which builds up to a pretty strong level. Dominant over Kiwi co-channel PI for most of the DXpedition https://app.box.com/s/mhcld5y83cchzd5ko8nd4azzhrpfbg92
531 PI (Auckland, NZ, 5 kW) Samoan language broadcaster struggled against Kiwi co-channel More FM for most of the trip, but was fairly healthy with female Samoan speech at 1212 on 8-6 https://app.box.com/s/vzst8cfxel3v7jiieun93qc7ipmbylsi
558 Radio Fiji One (Suva, Fiji, 10 kW) Faded in to a pretty good level at the end of the last (rain-soaked) session at 1312 on 8-8. Stuck around for about 10 minutes on the backup 15" FSL https://app.box.com/s/gc978l4rh1pcgl085imqqa95omeh71ot
558 UnID-DU ABC-sounding DU English station received during exceptional Australian conditions at 1251 on 8-7. As the sole ABC station 6WA in Western Australia is a strong possibility (received here last year at this site, with the same equipment) . https://app.box.com/s/jt652eltg5564enerq1rsxsgtj2k084u
Although not a concurrent parallel recording, this MP3 of 594-3WV (another ABC LR network station) recorded eight minutes earlier apparently features the same male announcer with the same speaking style https://app.box.com/s/gwotnojgnxay901sd78yi3zxunvgqv1p
567 RNZ National (Wellington, NZ, 50 kW) Usually audible at an anemic level on most mornings, it rarely matched the signal level of either the 675 or 756 RNZ parallel stations. The new antenna seems to be somewhat of a transoceanic dud https://app.box.com/s/tt8ck75x5zg3f4h6drnfav4olx31as4d
576 2RN (Sydney, Australia, 50 kW) Heard on all four days (even during exceptional Kiwi conditions), although usually at modest strength with its varied music programs https://app.box.com/s/wyn99vt0jtu1c2xer9djigt7n5r2vh5w
585 7RN (Hobart, Australia, 10 kW) Pretty good signals from this Tasmanian RN network station on two out of four days, identified by the parallel with 792-4RN at 1305 on 8-6 https://app.box.com/s/6wabtltmvjz9zbxijyq8bnlnpp6epej3
585 UnID-DU Weak DU English station not parallel with 576 (i.e. not 7RN) nor 603 (i.e. not Radio Ngati Porou) at 1254 on 8-6. Most likely 2WEB in Bourke
594 3WV (Horsham, Australia, 50 kW) Dominating the Kiwi co-channel Star network during favorable Australian propagation, this recording at 1243 on 8-7 features some Star music accompaniment (and apparently the same male ABC LR network announcer as the 558 UnID listed above) https://app.box.com/s/2p7lnkt7cpbd2aqifhi2tqfegi2awxcr
594 Star (Timaru/ Wanganui, NZ, 5/ 2 kW) All alone with modest level Christian music // 657 at 1325 on 8-5. Oddly enough it seemed to get a boost whenever co-channel 3WV was on the frequency https://app.box.com/s/zumo4umpmxti1gozcxkrcnh8u1nqcih4
603 Radio Waatea (Auckland, NZ, 5 kW) Maori language station generally had decent signals, but not up to the level of its 2.5 kW parallel 765-Kahungunu https://app.box.com/s/tlqnmsjqj3ks992mds97ihl9s8x84nc3
639 5CK (Port Pirie, Australia, 10 kW) Female-voiced LR network announcer (// 891) prevailing over apparent commercial co-channel (2HC?) and mystery electrical noise at 1312 on 8-6 https://app.box.com/s/abcc0crvz6idkhmd29gyxtlzkpeill2n
**657 Star (Wellington/ Tauranga, NZ, 50/ 10 kW) Christian hymn broadcasting network had excellent signals during Kiwi-enhanced propagation (such as at 1246 on 8-7), and was a convenient parallel signal for network stations on 594 and 963 https://app.box.com/s/l4gzyq89yg5o127hhaompq756e9gq4xz
675 RNZ National (Christchurch, NZ, 10 kW) Usually stronger than its 50 kW parallel 567-RNZ signal on all four days, it was occasionally joined by a weak co-channel during favorable Australian propagation. This good-level signal was at 1320 on 8-7 https://app.box.com/s/8fcq8e1g7jq5ffru62vpiemzgtujp13x
702 2BL (Sydney, Australia, 50 kW) Usually getting plastered by the Kiwi big gun Magic, the Oz big gun rarely had a clear frequency. One such unusual time was at 1237 on 8-6 https://app.box.com/s/89xk6k2terhtnla92vkqinvvthrrcus7
**702 Magic (Auckland, NZ, 10 kW) Pounding in with monster signals during enhanced Kiwi propagation, this oldies broadcaster had the Oz big gun 2BL on the run all four days. This Motown classic (with a thunderous ID) seriously tested the crunch resistance of my Ultralight radio https://app.box.com/s/1kmy738awm8pl70ht0vmsm6rrvswijb6
738 Radio Polynesie (Mahina, Tahiti, 20 kW) Not quite as overpowering as during the July DXpedition, but still pretty potent. This typical R&B music was received at 1317 on 8-6 https://app.box.com/s/01jinpj8ug23cou0fpysnu4k5orjfr6p
756 RNZ National (Auckland, NZ, 10 kW) Surprisingly strong despite being only 70 miles (and 6 kHz) away from the 50 kW pest 750-Portland, this RNZ outlet obviously got a major boost from the splatter-reducing cliff, ending up as the strongest overall RNZ frequency during the four days. This potent signal at 1315 on 8-7 was typical https://app.box.com/s/jdii2zbb0m6w5fvb7mn6m48rw9o42hyx
765 Radio Kahungunu (Napier-Hastings, NZ, 2.5 kW) The strongest of the Maori network stations overall, this low-powered overachiever was usually fairly potent with its mix of Maori and Motown music, such as at 1243 on 8-5 https://app.box.com/s/fdzx6r6x4aoz50nv0h2t406l3hbnqlaq
774 3LO (Melbourne, Australia, 50 kW) Oz big gun dominated the frequency on most days, with the Kiwi Radio Sport a poor second. This strong sports broadcast at 1227 on 8-6 includes a weak female-voiced foreign language co-channel at the end of the recording-- maybe the Philippines? https://app.box.com/s/qqjigpnfcne0qu03ul9pgmb9a521rr38
774 Radio Sport (New Plymouth, NZ, 5 kW) Not much of a factor during this DXpedition, typically with weak relays of Fox Sports Network way under 3LO
792 4RN (Brisbane, Australia, 25 kW) Fighting it out with the Kiwi Radio Sport on most mornings, it occasionally had a clear frequency, such as during this 585-7RN parallel recording at 1305 on 8-6 https://app.box.com/s/o8f3tzrrni3g5ma518jh2d2qf2nb4btb
792 Radio Sport (Hamilton, NZ, 5 kW) Usually having the edge over 4RN with its Yankee-accented relays of Fox Sports Network, as at 1315 on 8-5 https://app.box.com/s/d20n837fry6e8th43pq70pf4dtonxuhu
891 5AN (Adelaide, Australia, 50 kW) Missing in action for most of the trip except for exceptional Australian propagation on 8-6, when it was weak at best
936 Chinese Voice (Auckland, NZ, 1 kW) A prime target during exceptional Kiwi propagation, this low-powered ethnic station came through with male Chinese speech at 1302 on 8-5 https://app.box.com/s/cu28ghvb4f91htkvr6sqkl006zxdbjlb
963 Star (Christchurch, NZ, 10 kW) Not one of the stronger Star frequencies, but strong enough to confirm the 657 parallel with its Christian music at 1250 on 8-5 https://app.box.com/s/xdbzft5pu7rhuzpa6sr2a8z2uu9gr0hn
1008 Newstalk ZB (Tauranga, NZ, 10 kW) Usually buried in 1010 Spanish splatter, its signals were the weakest in recent memory
1017 UnID-DU A determined search for Tonga at 1058 on 8-6 resulted in only a few ghostly seconds of female foreign language speech before an early (for late Saturday night) sign off. Although the voice apparently matches that in other Tonga recordings it's way too weak to claim a logging https://app.box.com/s/f6zr86ke7312gdm26hxv1wg1mrv92mv6
1026 Newstalk ZB (Kaitaia, NZ, 2 kW) Heard for the first time with an FSL antenna, this low-powered Kiwi network station was a big surprise // 1035 at 1330 on 8-7 https://app.box.com/s/oaaml2btsettnqu6u9eetrewwt4pithf
**1035 Newstalk ZB (Wellington, NZ, 20 kW) Along with 702-Magic, this was overall the strongest DU station during the DXpedition. This blistering-level Kiwi ad string was received at 1317 on 8-5 https://app.box.com/s/qdvv5d0adtclylvyny0igs2gccalerxb
1044 Newstalk ZB (Dunedin, NZ, 10 kW) Usually fairly strong throughout the trip, although never up to the level of its1035 parallel. This signal was received during exceptional Kiwi propagation at 1235 on 8-5 https://app.box.com/s/e3e3zmj0zzberxgkqnjiznba13jeagcr
1386 Radio Tarana ( Auckland, NZ, 10 kW) Hindu language broadcaster came through with moderate-level speech and music at 1303 on the last day of 8-8, but generally had a rough time with domestic splatter https://app.box.com/s/t7q3h54qq9a6t7pldnlmekha4dmn3mwy
73 and Good DX,
Gary DeBock (DXing at the Rockwork 4 ocean cliff near Manzanita, Oregon, USA)
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Sangean
Mike Sanburn
I have ordered a new Sangean DT-160 from Amazon and 'should have it in a couple of days. Something to start the new DX season of well with. I've heard good things about it so I'll check it out for myself. I had the Sony M40W Walkman for 20 years between 1989 and 2009 when it gave up the ghost. Heck of a rig. I still have it in case a future repair is possible. I might be getting another Ultralight in the near future. 'Haven't decided which. I often boost my Amazon fund by earning Bing Rewards points and Swag Bucks. 'Hope everybody has a great Labor Day weekend, 73 and good DX. Mike Sanburn KG6LJU |
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