hf propagation

Barlow Wadley XCR-30 Home Page - A site all devoted to the first full coverage HF transistorized portable set of the world.

30th Marconi Memorial Contest VHF - Rule files for the 30th Marconi Memorial Contest VHF (I.A.R.U.Region 1 Radiotelegraphy CW)

Hams for Christ Net - Fellowship of Christian Amateurs meeting M-F on 40 meters

G0HGA Angie - Amateur Radio website with links to radio, IT and the Arts and a link to my Yahoo VHF-CW Reflector.

hfradio.org Amateur Radio Resource Center - A comprehensive resource center with DX aids, live propagation, callsign searches, news and bulletins, maps, and more by NW7US

Eurofrequence Dierking NF HF Technik - UFB Hamradio audio filters and more accessories

Leitner Elettronica - RF Amplifiers for HF VHF UHF

NI4L custom dipoles - ni4l resonant dipole custom fan dipole antenna hf

KB6KQ Loop antennas - Horizontally polarized, omnidirectional loop antennas for VHF and 70cm amateur bands

Sweden - FM Repeater - Amateur repeaters in Sweden

Propagation eAlert Service - Automatic e-mail alert of propagation information. Gives current solar flux, Ap, Kp, solar wind information, solar and geomagnetic conditions past and forecast, sunspots, aurora index, and more.

FCC - Marine VHF Radio Channels - Summarizes a portion of the FCC rules 47 CFR 80.371(c) and 80.373(f)

U.S. VHF Channels - by USCG navigation center

HF Marine Frequencies - info on marine radio frequencies

Iraq War Frequency Info. - IRAQ War Military HF freqs, Aero HF frequencies and Shortwave Broadcast schedules of interest

Outbacker Antenna shop - Outbacker HF Mobile Antenna from Down-Under, Old Fashioned Service in secure online shopping

Elettronica Turrisi - TRasceivers HF-VHF-UHF, repeaters, GPS, antennas, based in italy

Search SW Stations by Frequency - Search for station listings by HF Frequency. Results show who is scheduled when on the frequency in question.

HF Analyzer - Professional analyser HF signals, work with bandwidth 500Hz....60Mhz, ddc-mode, scope, spectrum

DXProp  ^pop - DXprop is a radiowave propagation forecast freeware for ham radio operators, permits to predict propagation on 12 frequencies. Use Minimuf 3.5 routine developped for US Navy. Available in French and English

FTBVR5K - VR-5000 Memory Management - FTBVR5K is a memory management program for the Yaesu VR-5000 scanning receiver.

2 m. Band VHF PA 5 Watts - A VHF power amplifier made with two cheap RF transistors, 2N3924 as driver and a BFS22A for final stage, giving an unexpected output power of 7-8 watts maximum

No tune SSB/CW transceivers - no tune SSB/CW transceiver for 1296, 2304, 5760 and 10368 MHz

SWR bridge - This SWR bridge works by sampling the amount of power flowing in each direction along the aerial feeder.

converting AWA 25M-1 to 6 metres - conversion of low band VHF AWA 25M-1 carphone onto 6 metres.