[Hallicrafters] RTMA Dummy Antenna needed for alignment?

[Hunter Ellington]

As of April 1, 2008, Hunter Ellington is no longer with our firm.

You may contact him via his new email of hellington at lindquist.com.

If you need further assistance, please contact me by email
christina.meisel at gorrellgiles.com or telephone (303) 996-6595. 


Thanks,
Christina M. Meisel
Legal Assistant/Accounting Manager
(303) 996-6595 Direct
 
Gorrell Giles PC

-----Original Message-----
From: hallicrafters-bounces at mailman.qth.net
[mailto:hallicrafters-bounces at mailman.qth.net] On Behalf Of Randy
Perkins
Sent: Sunday, April 27, 2008 8:56 AM
To: hallicrafters at mailman.qth.net
Subject: Re: [Hallicrafters] RTMA Dummy Antenna needed for alignment?

Please disregard my posting about the RTMA dummy antenna. With some 
additional searching the archives, I was able to locate where it looks 
like I can use an old TV balun and get good results. Thanks & 73, Randy,

W5KCM

Randy Perkins wrote:
> Hello to the group.
> I am in the process of restoring my SX-99 receiver. In the alignment 
> instructions they speak about using this RTMA Dummy Antenna in between

> the signal generator and the antenna input terminal.  In the 
> Hallicrafters SX-99 book it shows the schematic for this Dummy Antenna

> and also in the Sams Photofact for the SX-99. The Hallicrafters book 
> shows the inductor in this circuit to be 20 microfarad in the Sams 
> photofact it shows it to be 20 millifarad. Does anyone know the
correct 
> value for this inductor?
> Is this RTMA dummy load actually necessary? How critical are the 
> component values? What is this RTMA Dummy Antenna for? Digging through

> the junk box, I have found the resistor and capacitors or pretty
close. 
> If the inductor is 20 microfarad would some small enameled wire about
1 
> ohm resistance wound on a small form suffice? Any info on this is 
> appreciated.
> 73, Randy, W5KCM
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