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Crossed-Wire HF Antenna - This Crossed-Wire Electrically-Steerable HF Antenna, capable of transmitting signals over the entire 1.8 to 30MHz HF range, and capable of receiving signals at much lower frequencies is basically a crossed centre-fed wire system, consisting of four thin wires brought to a central mast by G3YNH

Portable Rabbit-Ears Dipole Antenna - This handy and cheap portable dipole can be folded and backpacked, carried in use, and adjusted to a very wide range of frequencies by KV5R

CBMW - Radio Waves, FCC Rules, channel frequencies, phonetic alphabets, ten codes and more

HF Hamtrader Nes - Trader net frequencies

SSTV Nets and Frequencies - SSTV ONLY nets on ham radio bands

RSGB HF Data Band Plans - The following frequencies are assigned to datacommunications in the HF bands within the UK By RSGB data communications committee information.

YY5OFW & YY5OFX - Information about Venezuela, frequencies, maps, photos, history, and related links

Larsen Antenna - Complete selection of portable, mobile and base station antennas in frequencies from 27 MHz to 5.8 GHz. Radiall/Larsen also has a strong presence in custom OEM development. Radiall/Larsen Antenna Technologies is a subsidiary of Radiall.

Radio & Communications  ^pop - Info about many aspects of Radio & Communications. Antennas, signals, frequencies, codes, swr, scanning etc.

F5AD ATV Repeaters - F5AD describes the ATV repeaters in the south of France, and methods, frequencies, modulations used in ATV in France and in Europ. (French and English)

SSTV Nets - List of SSTV Net frequencies

Amateur Satellite FAQ - Beginner guide to amateur satellite, with tech info about accessories, antennas, and frequencies.

Shuttle Audio Frequencies - The frequencies listed here may carry shuttle audio during space shuttle missions

The FAX and SSTV Corner - SSTV Fundamentals, frequencies in use for SSTV and many SSTV related infos, includes Fax basics

Near-Realtime MUF indicator  ^pop - This is a highly informative map that can be used by amateur and professional radio communicators to determine maximum usable frequencies for any world-wide path at the indicated UTC (Zulu) time.

Scanning Reference - Informations about Scannings, with frequencies, information about scanning, hardware and software reviews

Weather Radio Frequencies - Weather Radio Frequencies across the U.S.

Scanner frequencies for Mexico - Scanner frequencies, amateur repeaters for Mexico City and some other major cities in Mexico by xe1rcf.

Dansk Scanner Information - Danish frequencies and scanner resource

UK Scanner Frequencies  ^updated - The UK Scanning Directory - HF, VHF and UHF UK Scanner Frequencies Database Updated Daily by a dedicated group of Radio Amateurs and SWL Listeners

BOS frequencies - German BOS frequencies

Alabama scanner codes - Opelika, Alabama Scanner Codes

Spy Centre - All about Spy Numbers Stations, which send coded messages to agents. Includes schedules and frequencies of stations.

Monitoring the Crisis in the Balkans - By the Monitoring Times Staff, NATO HF Frequencies, NATO Common VHF/UHF Frequencies and English Language Shortwave Broadcasts from the Balkans

BeaconClock - Real-time, schedule of the transmitting times, frequencies, short-path and long-path beam headings for each beacon from your QTH. BeaconClock is for Windows 9x/NT/2k systems.