cobra 29 ltd chr

A 5 element beam for 10 meter band - Here is a very simple 5 element covering the entire 10 meter band (28.000-29.700) with a swr of less than 1.4 at the band edges

A Six element yagi antenna for the 50 MHz - Christoph petermann's df9cy six element yagi antenna for six meter band

Build a multiband dipole - A nicely documented procedure to build a multiband dipole spending $30 in material and half an hour in assembling by Andrew Daniel - KI4QFY

W4JOH Cobra Antenna - The original Cobra antenna, is a multiband 160 or 80 to 10 meter, designed by W4JOH is built using standard insulated wire of about 14 gauge and fed with 450 ohm ladder line down to the shack into a tuner.

California Historical Radio Society, CHRS - The california historical radio society is a non-profit, volunteer organization dedicated to the radio. our members acquire, restore, trade, and exhibit radio technology and memorabilia. our members research and document historical radio. become a chrs member and learn about the art and science of the radio.

Micronetics Ltd - Electron tubes/valvs NOS & new production.

KD4MZM Beacon system - The kd4mzm ham radio beacon system running a Cobra 148 GTL 40 channel AM/SSB unit modified to the 10 meter band

VK8NSB's IOTA page - Melville Island OC-173, Croker Island OC-229, IOTA DXpedition 1999

YN2N Guest House Nicaragua - In YN2N Guest house you can enjoy the visit to Granada meanwhile you can use our YN2N Ham Shack full of equipment, in a beatifull rural property just 10 minutes from Granada.

Kaufman County ARES, Inc. - Kaufman County ARES is an emergency communications program what was established to help the citizens of Kaufman County Texas and beyond.

JH5LUZ Blog - 1296Mhz EME Station from Japan, includes eme amplifiers pictures

A Ham Radio Public utility HF Station  ^updated - Merging Internet technology with Amateur Radio holds great promise. This article discusses the authors’ experiences in putting several Internet Remote Base stations on the air. By Stan Schretter, W4MQ, Brad Wyatt, K6WR, and Keith Lamonica, W7DXX

Discovery Power Amplifiers - The Discovery series of amplifiers are designed and built in the UK by Linear Amp UK Ltd, one of the world’s leading amplifier manufacturers, specializing in high power RF tube amplifiers. The amplifiers use large GS31 or GS35 ceramic triode tubes. Band coverage 6m, 2m and 70 cms

Intruder Amplifiers - Poewer amplifiers for 10m band. Also dealer for Galaxy, Connex, Magnum, Cobra, Browning, and others

IC7000BKT Icom IC-7000 CAT Control - CAT Control for Icom IC-7000 for windows. Management and synchronization of all memory bank, Management filters, volume, tones, DUP, DTCS, import export, audio recording and log frequency and signal,Auto CQ audio for repetitive calls

FT-1000D: The G3TKF Synchro Mod - If you have an FT-1000 with the BPF-1 option, and are into HF weak signal DXing, this is for you. Although not for beginners, it should be no problem for hams with some home building experience.

Tait Electronics Ltd - Asia Pacific - Tait electronics provides advanced and reliable voice and data radio communications products and solutions, specialising in customised solutions for organisations worldwide.

Burghardt Amateur Center - Yaesu Kenwood Alinco AEA Icom Geochron Phillystran dealer. Offer used products, custom products external relay box, antenna input protector and repair service

KNLS English Service - KNLS English Service, this Is Alaska Calling! World Christian Broadcasting, Station KNLS, Anchor Point, AK USA

WinTick - WinTick is a utility program aiming at synchronizing the PC clock to Universal Coordinated Time (UTC). It was originally developed for accurate satellite tracking, running on the taskbar while a NASA-compliant tracking program (SGP4 or SDP4) is running in the foreground.

AM-6154 FAA Amplifier circuit conversion - AM-6154 222MHz grid Conversion Information by N0UK

JH5LUZ Room - 1296MHz M57762 * 16 Power AMP 16V 100A 1.6KW Input

Simple Reverse Polarity Protection - This simple modification is applicable to pretty much any 12 volt operated, positive earth equipment. by Chris Cox, N0UK, G4JEC

Interferences and filtering - General information on Filter passbands, interferences, TVI and RFI problems

Television channel 11 interference. - Solving interference from television channel 11 on 144MHz transverters by Chris Cox, NØUK, G4JEC