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[NHRC REPEATER CONTROLLERS]
Maintained by Kevin Custer W3KKC
Click here or on the logo above to go to the NHRC website


* CLOSED *

Effective March 28, 2021, NHRC Repeater Controllers ceased all operations.
We will honor all warranties and offer limited support by email for the remainder of the warranty period.
We want to thank all our friends and customers for your support during our 22 year venture.

Be safe, stay well.

Peter KA1OKQ, and Jeff N1KDO.


Modification Articles for NHRC Controllers

. A feature comparison chart of the various NHRC controllers   (offsite link)
. PL and the NHRC-2 or NHRC-3 Controllers   A modification for allowing a PL decoder to be used.   by Kevin Custer W3KKC
. PL and the NHRC-4 Controller   A modification for allowing an active-high PL decoder to be used.   by Kevin Custer W3KKC
. PL only during COS with the NHRC-3/M2 and the TS-64   Allowing keyed encode with reverse burst   by Kevin Custer W3KKC
. PL only during COS with the NHRC-4/M2 and the TS-64   Allowing keyed encode with reverse burst   by Kevin Custer W3KKC
. PL only during COS with the NHRC-4 and the ST-139   A GIF image showing keyed encode with reverse burst   by Eric Vincent VE2VXT.   See next file.
. PL only during COS with the NHRC-4 and the ST-139   A PDF version showing keyed encode with reverse burst   by Eric Vincent VE2VXT.   See previous file.
. A COR inverter (local copy)     Original location at the NHRC web site   Some of the controllers (like the NHRC-5) do not offer a low-going COR signal input (i.e. they only accept a high-true input). This circuit, when placed in front of the controller, will fix that.
. NHRC Manuals and Application Notes     Manuals for NHRC controllers, accessories, & other equipment.


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This page originally posted on 11-Dec-2006

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.