wide band

Receiving loop aerial for 1.8 MHz - Bulding notes of a receiving loop antenna for 160 meters band

QM5 Yagi for 2 meters band - The QM5 antenna is a simple 5 elements Yagi with 1.88 m boom length for the lower 144 MHz SSB/MGM band, I used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 9.17 dBd; i.e. 11.3 dB forward gain over the isotropic radiator, while the F/R is about 11.5 dB. Elements

40M Fullwave Loop Antenna - KA6WKE full wave antenna for the 40m amateur radio band

A dipole for 6 meters band  ^pop - Six meters band dipole horizontal or vertical

The Beverage Antenna Memorandum - Memorandum on the Beverage Wave Antenna for Reception of Frequencies in the 550 - 1500 Kilocycle Band", FCC Report 9.2.1, by Benjamin Wolf and Adolph Andersen

Comparison of Beverage antenna - A ranking of receiving antennas based on noise being evenly distributed in all directions. These rankings are most accurate in the frequency range of AM broadcast, 160 or 80 meter bands

Active Loop Converter for LF - Active Loop Converter for the LF Band by Lloyd Butler VK5BR originally published in Amateur Radio, July 2000)

Antennas for HF mobile operation  ^{updated  pop} - The following description should give you guidance on how to build a mobile antenna for HF bands yourself, using a very cheap CB-mobile whip antenna base. Antennas for mobile operation 7Mhz ,10Mhz, 14Mhz, 18Mhz, 21Mhz, 24Mhz,28-430Mhz

2-Element Moxon Rectangle for 10 meters band - 10 meters band aluminum 2-Element Moxon rectangle

The Ultimate AM Antenna - How to improve your radio receiver reception on shortwave radio bands

9 band vertical HF antenna by RW3XA  ^pop - Simple vertical radiator with matching box. No traps, no tuner required.

MF and HF Amateur Radio Band Charts - Easy to read set of band charts for the amateur radio MF and HF bands: 160, 80, 60, 40, 30, 20, 17, 15, 12, and 10 meter by W5JCK

The reflected W beam - Hexagonal wire beams for all hf bands, technical resource, EZNEC files, tools for antenna modeling and documentation. You can also order parts to build your own antenna.

Miracle Antenna - All-band portable whip antenna for the Ft817, 897, 857, IC706, 703, K1, K2, and every other portable QRP radio, antenna tuners.

Citel - We have a wide range of power protectors and surge protection products available

VLF-LF And the Loop Aerial - The article discusses the theory of loop aerials for receiving and how they reduce the level of local noise. A Loop Aerial is described suitable for use on the LF and VLF bands together with a circuit of an interface loop tuner and preamplifier. The discussion extends to the problems of amplifier noise and the advantages of tuning the loop.

200W 136 kHz transmitter - A transmitter project for the 136 kHz band by IK2PII

Radio Austria International - The radio voice of the Government of Austria broadcasts worldwide in numerous languages.

Caracol Radio - One of several Colombian broadcasting networks heard on AM and FM and worldwide on 5076 kHz in the 60 meter band.

Radio Pirania - Pirate statio based in chile transmitting on 48 meters band

Bandamonica - Free radio on medium & shortwave band fomr holland

Classic Rock Radio - The alternative rock station on Short Wave in the 41m.band

Acarsd - acarsd is an ACARS decoder for a LINUX or Windows PC which attempts to decode ACARS transmissions in real-time using up to three Soundcards. acarsd is also a realtime ACARS Server, for the worldwide spotter and ACARS community.

FT857 SuperControl - CAT control and logging software project especially developed for the YAESU FT-857 transceiver. Full control of the trcvr, EEPROM modification, VoIP, TCP/IP remote control, macro CW keyer, visual band scope

50 MHZ power amplifier - YU1AW power amplifier for 6 meters band using 2xGI7B