rpo 97 trunk

HF Antenna Switch - The purpose of this remote antenna switch was to be able to select between four different antenna combinations The unit was designed to work at RF power levels of around 100 watts by G8JNJ

Antennas for the Space Restricted - This article shows that it is possible to operate successfully from a confined space with antennas for 2 10 and 80 meters band

Antenna Tuning Units for better reception - For good Short Wave reception long aerial really is required to dig those distant stations out of the ether.

LYAC VHF Contest - The main purpose is support for LYAC contest - publishing of results, news for participants. Discussions about VHF contesting and amateur radio VHF are welcome as well.

YASME Foundation - The YASME Foundation is a not-for-profit corporation organized to conduct scientific and educational projects related to Amateur Radio, including DXing and the introduction and promotion of Amateur Radio in underdeveloped countries.

K9BAR Bolingbrook Amateur Radio Society - Established in the early 1970's has a Membership of about 50 men and women

K3LV Lebanon Valley Society of Radio Amateurs - LVSRA has been affiliated with the American Radio Relay League since 1930 and was incorporated in 1977 for the purpose of information exchange, to promote radio knowledge. Lebanon County Pennsylvania

W1OP.Org - A Home for Radio - The Providence Radio Association Incorporated, one of the oldest radio associations in the world.

WR9ARC Riverland Amateur Radio Club - Repeaters: 146.970 444.475 La Crosse, Wisconsin

D-Star presentation and sounds - A powerpoint presentation of the D-STAR operating mode by K7VE includes d-star sound samples

E-Z-Hook - Since 1956, E-Z-Hook has been manufacturing electronic test accessories used for test and measurement purposes throughout multiple industries. Test probes, multimeters, coax cables, adapters

IWATSU - Test instruments corporation produces digital multimeters, Oscilloscopes, signal generators, universal counters

Signametrics - Digital Multimeters - Signametrics corporation, manufacturer of precision digital multimeters, lcr meters, and switching cards for pci and pxi chassis

TRAK Microwave Corporation - Signal generatos, oscillators, direct and indirect synthesizers, exciters custom oscillators

About Digital Smart Technologies - A general guide to D-STAR. The purpose of D-STAR is to allow HAM Radio operators to speak further and clearer using digital voice while sending data from 1200 BPS on up at the same time.

Brown Brothers Machine Keys - The purpose of this article is to describe in detail the Morse code keys made by the Brown Brothers Machine Company (BBMC), to aid the serious key collector in identifying each model made by this fine company.

Home made FT meter - Home mande FT meter for Yaesu FT897 and FT857 by OK2FJ

Yaesu VX-2R Quick Reference Card - A downloadable free quick reference card for the Yaesu VX-2R in powerpoint and PDF file ready to be printed.

Power Port - Handheld Radio Pouches, Power Supplies, Solar Recharging Systems, GPS Navigation Devices and 12V Accessories

DERF electronics corporation - Distributor of electronic components like diodes Transistors Microcontrollers Microprocessors connectors, switches, relays, integrated circuits, eproms, leds

Kentronix - Dealer of electronic test equipment dealers since 1977 equipment manufactured by Tektronix, Hewlett Packard, General Radio, Dranetz, Bird, Fluke, ENI, ESI, Wavetek, Narda, Keithley, Weinschel, Microlab/FXR, Systron Donner, Kepco, Lambda

TEL-Atomic Incorporated - Tel-atomic sells physics educational apparatus, oscilloscopes, counters, magnetic meters

Anderson PowerPole Connectors - This standard assures that any radio can be connected correctly to any power supply. Here you can find some assembly notes

Simple test equipment to build - A field strength meter, a crystal tester and a capacitance meter by Peter Parker VK3YE

70 MHz Transverter - This purpose of this page is to give a brief description of a 70 MHz transverter that has been published in the Danish amateur radio magazine "OZ"