Re: Recommendations for FM DX-worthy Portable Radio


Russ Edmunds <wb2bjh@...>
 

Given today's technology, for FM I wouldn't want a non-DSP radio in this class unless one has very few strong locals.

Russ Edmunds
15 mi NNW of Philadelphia
Grid FN20id
<wb2bjh@...>

AM:  Modified Sony ICF 2010's barefoot
FM: Yamaha T-80 & T-85, each w/ Conrad RDS Decoder;
Onkyo T-450RDS; Tecsun PL-310 ( 2);
modified Sony ICF2010 w/APS9B @ 15';
Grundig G8 w/whip; modified Sony ICF2010 w/whip

--------------------------------------------

On Tue, 7/8/14, Barry Lietz bwlietz@... [ultralightdx] <ultralightdx@...> wrote:

Subject: Re: [ultralightdx] Re: Recommendations for FM DX-worthy Portable Radio
To: "ultralightdx@..." <ultralightdx@...>
Date: Tuesday, July 8, 2014, 10:06 PM


 









Check out the full review on the
eHam site.  This is an exerpt from it: 
The
noise-floor of these sets are not comparable to a
DE-1103 which pretty much hammers down the noise. So one is
left pulling
stations out of the weeds. And the PL-310 does rather well
at it on
AM-BCB. And that noise floor due to propagation and local
influences
like Sub-Audio-Heterodynes (aka flutter) can raise havoc.
There is a
function of the AGC circuit called Soft-Mute, and will
engage/disengage
on weak reception. Coupled with "flutter" this
makes listening unplesant
with a noted "pumping" sound. Fortuneately, the
design-engineers allow
that offsetting the tuning by 1 kHz will shut-off the
Soft-Mute. One has
to raise the volume a level or two. In the 3 1/2 years of
building,
Tecsun has not put in a hard-wired On/Off for this function.
Outside of
the AM-BCB its rarely needed, and that is probably the
answer.



As other reviewers have pointed out the audio-bandwith
selection and
filtering is superior at this price-level. The Low IF of
about 45kHz
keeps SW and AM-BCB imaging to a minimum. Kudos to
SiliconLabs for
designing this after the Sony analog version. Low-IF is the
way to go.



Where the PL-310 really shines as does its siblings the
PL-380/606 is on
FM. Very hard to beat in general, and seems to be limited
to sibling
rivalry at this price level.



SW holds it's own against others under $100, what the
antenna lacks the
BW selection helps. What these DSP sets don't have is
SSB. And thats a
turn-off for most Amateur Radio Enthusiasts. And is very
much the reason
for a 4/5 rating. The PL-310 is just not quite everything,
but what it
does, is well done.

On
Tuesday, July 8, 2014 9:06 PM, "Stephen Ponder
stephen_ponder@... [ultralightdx]"
<ultralightdx@...> wrote:



 









Thanks to all who sent their
prompt replies to my rather "rambling" post. Wow
... after reading it again a few hours after I posted it,
all I can say is that I must have been REALLY tired!!

Anyway, here are the
results:

DSP Portables - Tecsun
PL380, 3 votes; Tecsun PL310, 3 votes
Non-DSP Portables (PLL)
Portables: Degen DE1103, 1 vote; Grundig G8, 1 vote

The exciting thing about
all of your suggestions is that I have all of these radios
already in my possession. Time to power them up and start
DX'ing!!

Again, thanks to everybody for
their recommendations! If you come across any other
portables worthy of being classified as a FMDX
"magnet," please let me know!!

73
Good DX,

Steve Ponder, N5WBI
Houston, TX

"The trouble with
trouble is that it usually starts out like fun!" -
Anonymous

Sent from Yahoo! Mail for Windows
8























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