hf array

13 elements Yagi antenna for 144 MHz - DJ9BV yagi antenna for 2 meters band

Balun for HF wire antennas  ^pop - Schema of a self made balun used to match randmon wire antennas, mainly for shortwave listening pourposes, in italian

Build a Double Bazooka HF antenna  ^pop - Build a double bazooka coaxial dipole, broad-band dipole antenna

Ladder line J-Pole - Building a VHF or UHF Ladder Line J-Pole Antenna

HF portable antenna - 40 to 6 meters  ^pop - Phil Salas AD5X 40 through 6 meter HF portable multiband antenna, construction article, plans, and photos

Butternut antennas - A Bencher antenna divsion, manufacturer of HF YAGI and Vertical antennas

Q15X25 - Q15X25 is a packet modem with a KISS/AX.25 interface designed for HF transmission of AX.25 packets and TCP/IP using Automatic Repeat reQuest (ARQ) and forward error correction (FEC).

WinDRM - HF Digital Radio Mondiale - WinDRM is the hottest digital mode on HF today! Nothing else exists where you can transfer data at almost 1KB/s without using proprietary hardware. HF Digital Radio Mondiale allow fast data, pictures, and voice over a 2.5Khz bandwidth

JT65 - JT65 is a digital protocol intended for Amateur Radio communication with extremely weak signals. It was designed to optimize Earth-Moon-Earth (EME) contacts on the VHF bands, and conforms efficiently to the established standards and procedures for such QSOs.

N1RWY's FT-100 site - This site is dedicated to the YAESU FT-100, mobile HF - VHF - UHF radio

Unusual HF Propagation Phenomena - This page has a collection of audio samples from unusual HF propagation phenomena, from round-the-world propagation to moonbounced signals , and to ducted transmission.

Icom IC-718 specifications - IC-718 tech. specifications

Icom IC-718 manual - Download the Icom IC-718 manual in PDF format

Icom IC-746 specifications - This page includes fatures, specifications options and photos of the ICOM IC-746

Low cost frequency stabilisation - The Icom IC-746 is quite a popular HF/VHF multimode transceiver which has one shortcoming in its standard configuration when used to operate modes requiring good medium-term frequency stability.

RV3APM: VHF-UHF-Sat with TS-2000 - Resources and links for VHF UHF operations using a Kenwood TS-2000

Yaesu FT-100D - Features and specifications for discontinued yaesu ft-100d radio

Yaesu FT-100 specifications - The Yaesu FT-100 is a miniature mobile transceiver that provides coverage of the 160 to 6 meter bands plus the 144 MHz and 430 MHz bands

FT-817, FT-847, FT-857, FT-857D, FT-897 and FT-897D Memory Cloning - The complete status of the FT-817, FT-847, FT-857, FT-857D, FT-897 or FT-897D memories can be read into the computer and saved to disk. Any saved file can be subsequently reloaded into the computer and sent back to the rig. This facility uses these rig's ability to clone configurations from one rig to another using the serial port.

Yaesu FT-857 specifications - Yaesu FT-857 features and specifications

Yaesu FT-857D specifications - Features and specifications for Yaesu FT 857D

Yaesu FT-857 description - FT-857 HF/50/144/430 MHz ALL MODE HF/VHF/UHF Transceiver

Yaesu FT-857 description - The FT-857, the world's smallest HF/VHF/UHF mobile transceiver, provides base station-type performance from an ultra-compact package that's ideal for mobile or external battery portable work.

Grandicelli - Hf-vhf-uhf-shf-digital-monitoring-site,wavecom Decoder and tools, winradio and DRM decoders, WD3000 Direction Finding System , radioraft software. PFSL3000 Integrated HF-VHF-UHF signal monitorin

Ciro Mazzoni - From 1973 we work in the communication system on HF, VHF, UHF, SHF for P.M.R., OM and broadcasting.