|[AMRadio] AM Modulation Monitor|
b.gaz at comcast.net
Mon Oct 28 17:49:30 EDT 2013
I have an RCA/Belair I got at a fest many years ago, its a BW50A.
Before that, I had an old General Radio.
I like the BW50a as its solid state and is no tune on the input.
I have a small variable capacitor in the station control box that feed RF to
it, so I can adjust the level for different bands and power levels.
The BW50 has a level pot, but I use the cap.
I added a relay so if I wear headphones, I get RX audio on RX, and my audio
That way I can tell if something goes wrong.
----- Original Message -----
From: "Randall Berry" <randyn3lrx at gmail.com>
To: "Discussion of AM Radio in the Amateur Service"
<amradio at mailman.qth.net>
Sent: Sunday, October 27, 2013 7:18 PM
Subject: Re: [AMRadio] AM Modulation Monitor
> That's fine I am looking for an affordable (and working) Belar myself. So
> I can relate to not having cheap CB junk in my shack. But unfortunately
> that's all I have at the moment for monitoring modulation. Although I am
> building a diode detector so I cam monitor by ear.
> I saw the Gates one on eBay, that really looks in bad shape. The only
> Belars I saw were FM.
> On 10/27/2013 07:49 AM, Rob Atkinson wrote:
>> I'm sure Bob wouldn't be caught dead with a CB SWR/Watt/Modulation
>> thing in his shack. He probably has in mind something like these:
>> or something made by Belar. All should cover 160 and 75 m.
>> On Sat, Oct 26, 2013 at 5:04 PM, Randall Berry <randyn3lrx at gmail.com>
>>> Hi Bob,
>>> Search eBay for CB Radio SWR/Watt/Modulation meters. Those things are
>>> broadband and should cover 3.5-30MHz easily. Just be sure you get one
>>> handles your output. I use a 1Kw rated Para Dynamics and it works fine.
>>> There are other brands at various prices/ratings available.
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