Back to Home   Modifications and Technical Information on Hamtronics®
Maintained by Kevin Custer WJ8G
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Modification and information articles:
A Subaudible Tone Modulator for The TA-51, TA-144, and TA-220 Series Transmitters   by Kevin Custer  WJ8G
Alternate Audio Input for the TA-51, 144, and 220   Elimination of gain and filtering when using a Repeater Controller
Squelch Modification for the "R" Series Receivers   Reducing Squelch Hysteresis by Kevin Custer WJ8G
Add on S-Meter for the "R" Series Receivers   by Kevin Custer WJ8G
Frequency Stability in Hamtronics TA-451 UHF exciters   by Kevin Custer WJ8G
A Review of Hamtronics Synthesized T301 & R301 Exciter and Receiver   by Kevin Custer WJ8G
An Interesting Video Transmitter using the TA-451   The Design Of The Brookdale ATV Repeater System Exciter   (offsite link)
An Audio Frequency Response Modification for the Hamtronics TA-451 UHF Transmitter   By Brad Andrews KB9BPF

Manuals for most Hamtronics equipment are available directly from the Hamtronics.
Click here to view the list of available manuals on their server.

If you have an older manual that is not currently available from them, and you would like to donate it to the cause, please follow the link to Hamtronics at the top of this page and offer the manual to them. Send youe email to the attention of Jerry Vogt.

The manuals that were available here have been forwarded to Hamtronics by their request, and are now available from their website. The manuals available from the Hamtronics website (as of March 2008) include:

Hamtronics® is a registered trademark of Hamtronics Inc.


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This page originally posted on October 14 2004


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This web page, this web site, the information presented in and on its pages and in these modifications and conversions is © Copyrighted 1995 and (date of last update) by Kevin Custer W3KKC and multiple originating authors. All Rights Reserved, including that of paper and web publication elsewhere.