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Construction Projects, Articles and Reference Material Contributions are ALWAYS welcome The information presented in this section is copyrighted by repeater‑builder (the authors copyright, if any, supercedes it). |
There are other good articles on the Technical Info page
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Build an Isolated Tee Sampler for a Bird 43
Wattmeter Build an IsoTee Sampler for the Bird from a blank
slug! By Kevin Custer W3KKC
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A Photo Tour of a Bird Wattmeter
Element Ever wonder what's inside one of those elements? Bob took a
bad one apart in an attempt to fix it, and took a bunch of photos along the way. And yes, he fixed it! By Robert Meister WA1MIK
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PL-CG (CTCSS) Filter Construction Projects Build several PL (CTCSS) Filters! |
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Audio Buffer and De-Emphasis circuit Use this circuit after a repeater receiver to de-emphasize the audio going to your controller. By Lou Harris N1UEC (offsite link) |
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A Poor Ham's Deviation Meter A theory and practice article on measuring deviation of FM transmitters, by Robert W. Meister WA1MIK |
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The Repeater Builders Friend A device to help to you fix your repeater or program your controller by Matt Krick KC7GSA. |
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Build Youself a Service Monitor ? Well, sort of. By Tom Alldread VA7TA A simple deviation monitor circuit used with a scanner receiver. |
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Multi-Element Exposed Dipole for 2M. A good exposed Four-Bay Dipole Array construction project. |
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Someone say "6 meter duplexer" ? A comprehensive conversion of a lowband pass cavity to BpBr by Jeff DePolo WN3A. |
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Build a telephone line filter that doubles as a lightning protector. A phone line filter and protector by Kevin Custer W3KKC |
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A Phone Line Busy Sensing Circuit By Monte Smith, WDØDIR, from ACC Notes, April, 1986. If you need to share a phone line between your home and a repeater here's how to tell the repeater controller that the phone line is in use. |
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Build an audio buffer amplifier. Kick the audio in the butt by Kevin Custer W3KKC |
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Build a set of CATV Hardline Matching Stubs by Kevin Custer W3KKC |
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Retuning a Stationmaster type antenna By Jim Barbour WD8CHL |
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Build a good quality GaAs FET Preamp For 2 meters, 220 and 440 by Kevin Custer W3KKC |
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Build a Two Channel Signal to Noise Voter From the WB2WHC article in October 1992 QST. |
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Omni-Gain Collinear Repeater Antenna Construction Project A great 2 meter to 1300 meg antenna project - and there are followup articles on the Antenna Systems page at this web site. |
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Use an Astron power supply remotely? Look here! Don't run to the repeater site to reset the Astron anymore! (scroll down to the Reset Circuits) |
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Build a set of Band Pass-Band Reject Two Meter Duplexers From the W1GAN article in the July 1972 QST |
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Basic Stamp 1 and 2 Repeater Controller construction projects Cheap controllers by Roger Cameron NØYOX. |
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Audio Limiter for NBFM A hard audio limiter like used in broadcast audio. |
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A Push To Talk Delay Circuit For ACC controller users |
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A COR Hang Timer Circuit A simple controller of sorts |
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Build a COS Detector Circuit For creating a COS signal on radios that don't have one |
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Repeater Controller Construction Projects Build Controllers and stuff for them! |
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A Crystal Heater construction project Make that crystal stable... By Bob Dengler NO6B
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A Simple Repeater Fan Controller an 18kb PDF file By Robert Shepard KA9FLX |
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A Repeater Fan Controller using a 556 IC. 18kb PDF file This is a followup to the above with a modification to a single 556 chip. By George Henry KA3HSW
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Build a Rugged Half-Wave Coaxial Antenna Same basic design as the CHP uses at base stations. Courtesy of the Scanner Buff Network (offsite link) |
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A simple Echolink interface Easily constructed with about $10 in parts from Radio Shack. Should work with any radio. Courtesy of Matt K3MK |
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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.