air frequency

Quarter Wave with radials - VHF quarter wave antenna mainly for scanner usage, The quarter wave antenna is an easily designed and constructed antenna for whatever frequency you want, although with the following design, you may to limit it to the VHF and UHF bands due to the physical size.

Multi-Elmac - THE MULTI-ELMAC AF-67 Trans-Citer is a ten-tube variable frequency or crystal controlled seven band transmitter.

AC Communications - We specialize in antique repair, restoration, sales and parts

BB&B Technical Amateur Repairs - Amateur Radio Repair resource since 1982. We repair all makes and models of Amateur Radio equipment, vintage to late-model

Collins Radio Repair - Dutch Maurer WB7DYW Collins repair services

Vintage Radio Repair and Restoration - Repair & Restoration information in UK

Antique Radio Repair - Redwood Radio Antique Radio Repair & Restoration specializes in Radio Repair and Restoration of Auto, Car and Home Radios. Located in Portland Oregon

LandAirCom - Repair service in NY and manuals

Radio Relics - Repair and Restoration Services in Orlando USA

Omega electronics - Omega Electronics International is the source for Ameritron linear amplifiers as well as other amateur related products and repair service

Nostalgia Air - Nostalgia Air Vintage Radio Reference Page

Low Power Radio Modules - Low power radio modules - supplying rf modules, rf transceivers, radiometrix transmitters receivers, low power radio modules, scada, frequency hopping, 900 mhz, wireless data transmission, data telemetry, gps modules & receivers and more

Definition of frequency bands - Definition of radio frequency bands, hf vhf uhf etc.

USCG Navigation Center DGPS - Differential Global Positioning Service (DGPS) is a land-based augmentation system that receives and processes signals from orbiting GPS satellites, calculates corrections from known positions and broadcasts these corrections via a Medium Frequency (MF) Transmitter to DGPS users in the Broadcast Site’s coverage area.

The NKARC Foxhunt Page - Foxhunting is the fine art of wandering aimlessly over hill and dale whilst loaded down with enough electronic equipment to singlehandedly repair the MIR space station...

N4JRI Scanner Pages - Some beginners guide to monitoring aircraft communications

FlightRadio.com - Aircraft frequencies, scanning radio, air traffic

Frequency Guide Victoria - A site for every scanner enthusiast but especially for people living or visiting the lower Vancouver Island Area and Victoria B.C. Canada. This page has pictures with aerial pictures.

Melbourne metro scan frequency guide - Police, fire, transport, ambulance and many more frequencies

S.A. Scanner Monitoring - Police, emergency services, fire and other useful frequency pages

ScanNewBedford.com - Welcome to scannewbedford.com. This site was built for people who would like to hear a live broadcast of New Bedford Massachusetts public services. There are also a few frequencies from other local towns such as Dartmouth, and Fairhaven being broadcasted on our live audio feed. The web site is free for everyone to use and pass along to another friend. Thank you and enjoy the Scan New Bedford Live Scanner Audio Broadcast of New Bedford`s Police, Fire, and EMS.

Ham Radio Repair - N4DA - - The Radio Doctor provides complete repair services for all major brands of HF Transceivers and HF Amplifiers, including vintage radios GA USA

NC Total Electronics - Repair service located in Swepsonville, NC USA

Electromagnetic Radiation Explained - by Jim Hawkins - WA2WHV How Radio Waves Are Born

iCOM PCR 1000 Web Resource Page - ICOM PCR 1000 user website with tips, manuals, hacks and frequency list for this no-interface radio receiver.