power mic

Low Power 4:1 Balun - Build a Low Power 4:1 Balun , by Charles Greene, W1CG with full-color, full-resolution graphics from the pages of QRP Homebrewer

A Q&D Multiband Antenna - A brick, some PVC tubing and a few other common hardware store items can be transformed into an effective Quick & Dirty RF-launcher—for less than $25! By Michael Atlas, N7FC

Antenna Tuning Unit - This homebrewed antenna tuning unit also incorporates a 50-ohm QRP dummy load, power meter (1 or 10 Watts full scale), and SWR meter

Patch antenna for APT - The patch, or microstrip, antenna has become a common workhorse for the microwave spectrum from about 1 GHz to tens of GHz. This type of antenna consists of two conducting layers separated by a dielectric to form an extended capacitor by WlHDX

N8YEL - Zeeland, Michigan

OK0EF QRP Beacon - 10134 kHz beacon power is 500 mW Male Pritocno village, locator JO70BC.

The Toledo Mobile Radio Association - A Ham Radio Organization serving Northwest Ohio and Southeast Michigan.

TRAC Toledo Radio Amateur Club - Serving all of Northwest Ohio and Southeast Michigan

Solartech Power Inc - Solartech Power Inc. manufactures, distributes and sells high efficiency solar panels and wind power turbines.

Kuhne Electronic - Electronic products for microwave communications

MicroMetal - Manufacture high quality low cost powder cores with a wide selection of shapes

Wholesale Parts of Florida LLC - Manufacturers of the world's most comprehensive and powerful line of antennas. TRAM antennas, CB VHF UHF Satellite Marine GPS antennas, masts and mounts.

The ElectraSlide Antenna - Modification of the DK3 design by Don Johnson, W6AAQ. No voltage dropping, operates on the full 12 volts. The control switch and the matching toroid are supplied. All you need is a standard 3/8 by 24 thread ballmount, 2 wire sheilded microphone cable for control wiring, and a CB whip cut to resonance.

Accute Micro - China supplier of ceramic bandpass filters in standard resonator sizes of 2~6mm , 8mm , 10mm and 12mm with freqency from 400Mhz~4Ghz and sections 2~10

Mmicronetics - Electron tubes / valves NOS and new production

Building a Low Power Beacon for 6m - by Ken Neubeck WB2AMU

ECHO (AO-51) - SpaceQuest, Ltd. - Spacequest ltd. is a leading developer of advanced micro satellite technology, specializing in the design, development, and testing of space and ground components for operation with low-earth orbiting satellites.

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

TubesWorld - Dealer for valves and semiconductors

QRO-Parts.com - Svetlana tubes also Russian capacitors,vacuum and coaxial relay, for RF Power Linear Amplifier builders. Amateur-Radio, Broadcast. Full Online Catalog.

DroidPSK - DroidPSK is an application to decode and encode Ham Radio BPSK31 with the build in microphone/speaker or wired to your radio.

CTR-Remote - CTR-Remote is an enhanced version of CTR817 (a Pocket PC radio control program for the Yaesu FT-817). The program has been completely re-written using Microsoft Visual Studio .NET and now supports a wider range of radios, Bluetooth® wireless technology and/or TCP/IP and Wi-Fi radio control, ADIF log import and export format, custom frequency lists, DX Cluster monitoring, callsign lookup, and enhanced scanning options.

144 Mhz power amplifier 4CX250B - This page provides information on the design and practical implementation of a rather inexpensive 144 MHz high power amplifier using a pair of ceramic tetrodes type 4CX250B by LA0BY

A 20W Amplifier for 2 meters - VU2RAR basic VHF power amplifier suitable for 144-146 Mhz output power can vary from 3 to 25 Watts.

A single board no tuning 23 cm transverter - This transverter uses bandpass filtering with printed hair-pin filters. By KK7B