hf marine frequencies

ARRL: US frequencies allocation - Transmitter power limits and frequencies allocation by band

The DK5YA VHF Page - Concentrating on VHF DX, Aurora, Meteorscatter, TEP, Sporadic E, EME, VHF DXpeditions. Daily updates.

Vhfdx.de - Eme meteorscatter Aurora Fai Tropo Tep and more about VHF

The DK5YA Vhfdx Page - The DK5YA Vhfdx Site is dedicated to the serious VHFDXer, serving the Web for more than 5 years for all of those working Aurora, Meteorscatter, FAI, EME, Tropo, TEP etc. on 50 MHZ and up.

The Vhfdx Chat - Vhfdx Chat is dedicated to the serious VHF DXer. Meet VHFDXers from all around the world, discussing EME, Meteorscatter

VR2HF Online Yaesu FT-817  ^pop Priority listing - Online Yaesu FT-817 transceiver (receive only over the Net) using R.A.T.S. control software and MS Netmeeting for program access and audio. Asia's first online receiver, first online FT-817, and worlds first full-featured online receiver (operates just like a desktop radio including audio encoding time of less than 1 second). Operating from a flat in Kowloon, Hong Kong. Open to all.

Valcom Fibreglass Whip Antennas - Manufacturer of Fibreglass Whip Antennas, Low and mediun Frequency, HF and VHF Antennas Specialized in the design and manufacturing of a full range of Beacon (MF), AM Broadcasting 540 - 1700 KHz, HF 1.7 to 30 MHz, VHF 30 to 156 MHz and UHF 200 to 500 MHz antennas.

Hi-Q Antennas - HF Ham Radio mobile operation antennas manufacturer, W6HIQ, HA5CMG, VE7BOC, HF mobile antennas, screwdriver antenna, coils and filters.

ITU CIRAF zones maps - Online CIRAD zone maps by ITU

Eme Gallery - Images of VHF UHF antennas

World satellites tracking - SWL Utility list frequencies satellites SWL liste de frequences satellites

G0ISW VHF/UHF DX Homepage - VHF/UHF DX site showing latest propagation, software, radio dealers, awards, maps etc.

Tips for VHF-UHF operation - New User Tips for VHF-UHF Operation by Dave Schultheis WB6KHP

VHF UHF Operating index - RAC - VHF UHF SHF Bandplans, repeaters, satellites and many related info by RAC

Meteo, Press & Fax Frequencies - Utility, Meteo, Press, Fax, Aereo, ACARS frequencies logged from Italy

Yaesu FT-101 HF Transceiver - Yaesu FT 101 unofficial web site managed by NW2M

Todd Emslie's TV FM DX page - Australian page featuring 45-108 MHz VHF DX via Es, F2, and TEP propagation.

ICDX Australia - Australia's only TV FM VHF DX group for world-wide members.

PropView - PropView is a free application that uses the included VOACAP, ICEPAC, and IONCAP engines to graphically display band openings between two locations over a specified 24 hour period. It can also build schedules for the IARU/HF beacon network and automatically QSY your transceiver to monitor each scheduled beacon.

WSJT High Speed Meteorscatter - "Software uses four-tone frequency-shift keying for meteor scatter. WSJT stands for ""Weak Signal communications, by K1JT"", and plans call for the program to include more than one communication mode."

The Internet Radio Linking Project IRLP - Linking VHF and UHF radios and repeaters around the world using a secure Voice-Over-IP system, with no hackers!

Monteria - International Commercial supplier of HF, VHF and UHF signals analysis and receiver control hardware and software

Beacon-Time Wizard Priority listing - BTW is a group of beacon information views and tools to enhance the enjoyment and usefulness of the NCDXF/IARU International Beacon Network and HF radio operation.

DXCluster for iPhone - DXCluster let you know in real time who is on the frequencies and where it was listened the last time. It let you create filters to only see which frequency/CQ Zone/ITU Zone and/or Country and after that you can have an alarm corresponding to a specific Zone or a specific country that raise a popup

How modify a CB linear to use in HF band  ^pop - how to modify a Cb linear amplifier to use in HAm HF band