Having owned a 580 Delta (bought it new from Tentec when they first came
out) and several other Tentec radios as well as other brands, the neat thing
about the Tentec series is the fact that the receivers are quite. Now when
the band is quiet and the receiver is quiet then the characteristic hiss is
missing. Normal to think that something isn't working. Ears play tricks on
us. Back in the good old days, I used to think when one turned all the
knobs to the right, the S-meter moved, a rush noise came out of the speaker
thus indicated that the receiver was really hot. Little did I know that all
that noise was in the receiver.
Here's an easy test. All that is required is a 2 position coax switch and a
good 50 ohm dummy load. Switch between the antenna and the dummy load. If
the noise comes up on the antenna then be assured the receiver is working
and likely very adequately. If you are hearing band noise, then any signal
on the band will be heard.
73
Bob, K4TAX
----- Original Message -----
From: "john ferro" <foxbat426@hotmail.com>
To: <tentec@contesting.com>
Cc: <w3nr@comcast.net>
Sent: Thursday, September 06, 2007 4:38 PM
Subject: Re: [TenTec] delta 580 on 10 meters?
ed, very interesting! so this is normal not only for the delta, but for
all
tentec's? thanks for the reply, 73 john
From: Ed <w3nr@comcast.net>
Reply-To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
To: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] delta 580 on 10 meters?
Date: Thu, 06 Sep 2007 17:29:21 -0400
john ferro wrote:
> dave thanks for getting back - yeah i'll probably have to send this to
ten
> tec for a looking over - 10 meter probagation is lousy, but this thing
is
> much to quiet it seems on ten meters -
>
> thx, john
>
Typical of every TT radio I have owned........
Ed W3NR
Debian GNU/Linux
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