air frequency

EI7BA's Amateur Radio Pages  ^updated - Multi Band Quad,Cushcraft R5, R7, R7000, repair and maintenance, Remote Antenna Switching, Hexagonal Beam, Automatic Band Decoder, Low Band Verticals, Crank-up Tiltover Tower etc

LF/VLF Portable Loop Antenna - The octoloop antenna is a length of 25 pair telephone wire inside an octagonal loop shield of 3/4 hard copper pipe

G4NCE's Vintage Military Wireless Collection - G4NCE's illustrated vintage military wireless collection. Featuring British, Canadian and New Zealand Army eqpt, and Royal Air Force eqpt, from WW2 and the 1950's.

US Repair Sources - Sources for getting your antique radio fixed up just like new.

Italian VHF & up BandPlan - Italian vhf and up frequency allocations mantained by I5JRR

Radio Sounds  ^pop - Several files with sounds you can ear on the air, includes PSK31, MT63, QPSK, RTTY and Hell variants

TV transmitters in Europe - Frequency list of TV transmitter video carriers within the range of 48-85 Mhz.

W1TP Telegraph & Scientific Instrument Museums - A museum of thousands of telegraph keys, radios, microphones, enigma cipher machines, and scientific instruments.

Wind Watcher Warning Systems - High wind warning system, programmable, gives progressive series of alarms at three windspeed thresholds. Can be building-mounted or made portable for storm spotters, chasers, etc. Totally unique system!

FrequencyDB.com - Irish frequencies db Priority listing - Ireland's radio scanner frequency database, includes forum and a searchable database of frequencies, useful for scanner enthusiasts living in Ireland.

Custom Metalworks - Custom Metalworks - Tower and Antenna Installation, Removal and Repair. Specialists in the Installation of Rotating Tower Systems, Large Yagi Antennas and Arrays.

Fair Radio Sales - Military & Industrial Surplus Electronics

Tom's Radio Repair - Tom services various CB radios and amateur radios.

The Dutch Relay Service - A relay service that is active on 15070 & 21890 khz AM. Also here the info that you need to get your program world wide into the air.

A.I.R. - The Italian association for SWL, BCL, DXers, radio-fans, technicians, etc. Activities, legal infos, suggestions and a lot of link.

Prime Time Shortwave Priority listing - The latest shortwave broadcast schedules with listings by time, country and frequency plus a DX program guide.

WACARS  ^pop - The only ACARS software to feature in-line message decoding and aircraft tracking. ACARS Reception and Decoding Software For Windows

BeaconSee - BeaconSee shows you, in real time, worldwide HF band openings on your PC. Analyses the audio signals from your radio, which is tuned to the NCDXF IARU HF beacon network and shows you the signal strength received from each of the 18 beacon transmitters as a plot of frequency spectrum against time.

RemIcom-B - Freeware RemIcom-B is a very simple ICOM remote program. Display of current frequency, mode and filter ITU HF Band assignment (ITU Region 1, 2 and 3 selectable) HAM HF Band usage analog frequency band display

Commander  ^{updated  pop} - A free application that controls up to 4 Alinco, Elecraft, FlexRadio, Icom, JST, Kachina, Kenwood, TenTec, or Yaesu transceivers, switching between them manually or automatically based on frequency, and displaying frequency-dependent settings for devices like tuners and amplifiers; includes a bandspread, and supports transverters, frequency and mode tracking by an independent transceiver or receiver, SDR-based panadaptors, and SO2R switching with microHam or OTRSP-compliant devices.

Nova For Windows  ^pop - Real time tracking of an unlimited number of satellites, fast, accurate and easy to use. Automated FTP keps updates. Also support a great number of interface to control rotors azimuth and elevation plus frequency doppler shift.

Radio Clock - Enables you to decode the time signals sent by various LF and HF radio stations in the standard frequency and time service

SkySpy ACARS  ^pop - SkySpy is a software program combining a decoder and a database in order to decode ACARS transmissions, the digital data link between commercial aircraft and ground stations, demod ACARS FAX METEO POCSAG HAM

A 50 MHz MicroWattMeter - A design for a simple microwattmeter. Input range -75 dBm to + 5 dBm. Frequency range 2 to 50 MHz

Homebrew radio receiver  ^pop - Detailed plans of my homebrew receiver. Frequency coverage is from below 300kHz to 30MHz. Pictures, schematics, board layouts, parts lists and more can be found here.