[50mhz] Opinions wanted on 6m radios

Chris Boone Cboone at earthlink.net
Sun Aug 9 03:52:26 EDT 2009


Sorry but you are WRONG....limiter does NOT reduce ignition OR "static"
noise present; it SHOULD in theory..but doesn't...and the noise spikes are
embedded so deep, only a NB gate can get them out....if what you say is
true, WHY did GE comes out with the NB 1st and then Motorola (Extender) and
other Land Mobile commercial guys like RCA, EFJ, Midland, etc etc. do it??
NOPE, a TRUE NB is still needed on FM.....been there way too many times.

I will say the FT690RII NB works but too well..it needs a faster decay time
on FM because it chops the signal too much and the audio can be
distorted....The gate ckts on SSB and FM are IDENTICAL...why Yeahoo did that
is beyond me....SSB is ok but I plan to modify the FM gate and change some
cap values....my MIDLAND STII and XTRs have the best NB around..works GREAT
(In an area with a S6 meter reading on a FT857D or 100D, the Yaesus cannot
hear on FM but do on SSB...the Midland? FULL quieting........now THAT'S a
NB).

Chris
WB5ITT
35+ yrs of lowband VHF FM experience

-----Original Message-----
From: Perry Ogletree [mailto:pogletree at comcast.net] 
Sent: Sunday, August 09, 2009 1:55 AM
To: Chris Boone; 50mhz at mailman.qth.net
Subject: Re: [50mhz] Opinions wanted on 6m radios

Every FM radio I've seen has a very effective noise blanker... its called 
squelch! HI!
Actually, a NB on FM is counter to the mode.  If you limiter is doing its 
job, you'll have no noise.  If the signal is too weak to drive the limiter 
to saturation, you are on the wrong mode or have the wrong antenna.

73 de Perry - K4PWO 



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