relay

ORRC - Oregon Region Relay Council

Coconino Amateur Radio Club - The Coconino Amateur Radio Club, focused in Northern Arizona, is a Special Service Club of the American Radio Relay League (ARRL), and a member of the Amateur Radio Council of Arizona (ARCA)

K7RPT Amateur Radio Relay Group, Inc. - Providing amateur radio 144 MHz & 440 MHz repeaters in the state of Oregon

RVARC Rappahannock Valley Amateur Radio Club - The RVARC is a Fredericksburg, VA area 56 year affiliated club with the American Radio Relay League, ARRL.

Telepost - Digital Vector Wattmeters, Dummy loads, software defined panadapter systems, SteppIR Tuning Relay, Digital SWR meters, LP-Pan Pan Adapter IQ Decoder for SDR based panadapter system

GE Digital Energy - Relays, controllers, power meters, fault recorders, power sensing products

Ten-Tec Jupiter 538 Repair - Low-pass filter relay and reverse polarity repair notes by VE7TK

RF Relay Store - RF Coaxial Relays from stock is the answer to your urgent small quantity needs.

SellWeb  ^updated - Electronic components online shop, resistors capacitors cables diodes transistors ic sockets relays microcontrollers PCB prototyping switches potentiometers

Increasing Amplifier Relay Speed - Article describes a circuit that accelerates the coil of DC relays by momentarily doubling their voltage.

Remote antenna switch - A remote antenna change-over switching using relay powered over the coaxial feeder

Remote Coax Switch - 6x2 coaxial remote antenna switch, completed unit showing weatherproof relay box and station control unit.

High power amplifiers by pass relays  ^updated - These relays are only to be used for output power who exceeds conventional antenna relays specifications.

Antenna Relay and distributor Box project - Have you problem with your RG cables ? This page describes a smart antenna box using an RG-cathode for 3 antennas. The remote control needs just a simple wire and the GND for remote-control

Lightning Protection using Relays - Why relays won't disconnect your antenna from your radio in lightning events

Non-relay instant RF Switching - Coax lines to do the RF switching. The advantages are instant switching, no power wasting DC control circuits.

12 to 28v Boost regolator - for those times when you have a 28v relay, but want to use it with a 12v source