Ron -
Great idea! I missed that part.... :-)
73, Garey - K4OAH
Glen Allen, VA
Drake 2-B, 4-B, C-Line& TR-4/C Service Supplement CDs
<www.k4oah.com>
Ron wrote:
Francis,
Welcome back to radio and welcome to the Drake community.
One thing I would suggest is that you recap your AC4 power supply, if
not recently done. The heathkitshop has a great upgrade/replacement
board kit. The original caps are 30+ ears old and are due to meet the
knee if the MTTF curve. When they fail, they can destroy tubes that
are rather costly to replace..
73,
Ron WD8SBB
--- On *Fri, 8/6/10, Francis Surovec /<[email protected]>/* wrote:
From: Francis Surovec <[email protected]>
Subject: [Drakelist] TR4C Receiver sensitivity
To: [email protected]
Date: Friday, August 6, 2010, 12:17 PM
Hello to the group.... I wasn't quite sure how to post with a
question but that was nicely answered the other day. At any rate,
I am getting back into ham radio after 35 years of idle time....
my main focus is CW and RTTY and I am in the process of trying to
find some of the mechanical teletypes I played with for hours on
end years ago. Seems like I have awakened from a long sleep only
to find everyone has gone digital and solid state!
My original Swan 350 alas is no longer, but I picked up a nice
TR4C that looks great (love those tube finals!). The rig arrived
and I plugged it in just to see if it would even power up, which
it did. I purchased a used Cushcraft R5, got it up in the air and
again powered up the TR4C. I think I heard two or three signals on
all the bands and that was just about it. There was noise (of
course), but I'm thinking that the vertical is responsible for
that. I still need to buy a mic and a key to call a CQ!
What would my first step be in determining the condition of the
receiver section?
Thanks for the help.... I know I'll be back for more!
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