hf tubes linear amp

VHF-UHF Portable Yagi-Uda - VHF-UHF portable Yagi-Uda antenna design and construction notes by XE1MEX

KQ6XA Antennas and towers  ^pop - Interesting antennas pojects such as Broadband/Multiband Dipole and Tower radiating antennas for 80m and 160m, HF antenna for the micro-light backpacking enthusiast

OL7R Contest Station - Multi-Single HF Contest Station

Italian VHF & up BandPlan - Italian vhf and up frequency allocations mantained by I5JRR

IARU HF band plan - IARU band plan comparagraph

EA3TA Juan - Ham Radio site with Six Meter and VHF Utilities and Links

F5ASD Jerome - F5ASD j?r�me homepage, my mailing list DX-NEWS,my DXCC album's, MIR,I.S.S infos PSK31-RTTY-SSTV,VHF-UHF,29 MHZ,50 mhz etc

IZ8DWG Onofrio - Includes Amplifier, antenna tuner, quad, yagi, rotators project in italian

N2CKH Steve - Interests DXing, HF Mobile, QRP.

KC2SSB Andy - The homepage of KC2SSB with links to lots of resources including 2m and 6m FM AM SSB nets around the country.

Remote controlled receivers  ^{updated  pop} - Use real audio streams to listen to Hf and VHF stations around the world via remote controlled receivers connected to the web.

Chameleon HF Multiband Antenna - The Chameleon V1 HF Multiband Antenna is a mobile antenna that can also be used as portable. Lightweight antenna system with 10 BANDS capability 6m, 10m, 12m, 15m, 17m, 20m, 30m, 40m, 60m & 80m.

Directive Systems Antennas - manufacturer of VHF and microwave antennas and related products, from 50 MHz through 10 GHz

Engineered Composites Ltd - Fibreglass tubes, structural profiles and other composite materials all available from stock

Radio History - Here you can find examples of old-time radio during its developmental period. The material consists of first-hand memories, gleanings from radio archives and other sources

Ham Radio & DSP - Related histories, facts and opinions by EA2BAJ, includes example of PSK MT63 QPSK audio files in wav file

Ham Repeaters in Greece - SV Land VHF UHF Repeaters

Icom IC-706 mods - Enables out-of-band transmit for 1.6 MHz to 54 MHz, Improved VHF recieve mod, other band expansions

YourEQ Priority listing - Outdoor equipment and electronics - handheld, base, mobile VHF, UHF and CB radios. Uniden emergency scanners. FRS and now GMRS 2-way radios.

Shortwave Australia - "Australia's newest and friendly Club for shortwave listeners - broadcasting, utility, TV, VHF, ARO, clandestine. Free membership. On-line messaging - members across Australia. Weekly free magazine ""Australian SW News""."

Finite difference program - This software is able to calculate the properties of odd shaped transmission lines. Particularly good in valve amplifier design, for aiding the design of transmission line resonators.

Contest Assist - VHF & Up Software management, Station Log and maps, in italian

Commander  ^{updated  pop} - A free application that controls up to 4 Alinco, Elecraft, FlexRadio, Icom, JST, Kachina, Kenwood, TenTec, or Yaesu transceivers, switching between them manually or automatically based on frequency, and displaying frequency-dependent settings for devices like tuners and amplifiers; includes a bandspread, and supports transverters, frequency and mode tracking by an independent transceiver or receiver, SDR-based panadaptors, and SO2R switching with microHam or OTRSP-compliant devices.

Push pull 2m amplifier - This shows an unsuccesful attempt to build a push pull 2 m amplifier, with the tubes in grounded screen.

130 Watt Dummy Load - Video, how to build a 130 Watt Dummy Load for HF amateur radio