rf amplifiers

Vertical antenna for 2 mt and 70cm  ^pop - How to Build a Dual-Band Antenna for 2M/70cm

Harford County Amateur Radio Emergency Communications - Trained amateur radio communicators under ARES, RACES and Skywarn serving Harford County, Maryland communities

MicroSignals - MicroSignals produces a line of RF and IF signal processing components that offer high performance at an exceptional value. To achieve this MicroSignals began with an engineering team that possessed an excellent background in RF Transformer and Balun design.

Mfsk - MFSK is an easy-to-use chat mode for real-time amateur contacts, nets and bulletin transmissions, but not intended for contesting or Bulletin Board System (BBS) use. It is a half-duplex non-Automatic Repeat ReQuest (ARQ) forward-error-correcting (FEC) mode. It performs well on long-path fading conditions and in the presence of interference

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).

Mfsk - MFSK is an easy-to-use chat mode for real-time amateur contacts, nets and bulletin transmissions, but not intended for contesting or Bulletin Board System (BBS) use. It is a half-duplex non-Automatic Repeat ReQuest (ARQ) forward-error-correcting (FEC) mode. It performs well on long-path fading conditions and in the presence of interference

Icom IC-706 mods and manuals - Programming interface schematics for Icom: Programming software for Icom IC-706 (Icom IC 706 IC706) : PDF Service Menu for Icom IC-706 (Icom IC 706 IC706) : PDF Service Manual with schematics for Icom IC-706

W8WWV Icom 706MKIIG simple accessories - Acc1 Breakout Box, Fused Power Cable with Accessory Tap, Microphone Breakout Box, CI-V Interface, Using the Auto Sound System for Receiver Audio

PTT line interface for ICOM IC-706 family - Interfacing tips for ICOM IC-706MKII transceiver with a Collins 30L-1 linear amplifier

QST : Kenwood TS-2000 review - Product review & short takes columns from QST magazine

Yaesu FT-817 / FT-100 CAT interface cable - Connect your FT-100 or FT-817 to your pc with this CAT interface cable

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.

Pc interface cable for Kenwood TH-F7E / TH-F6A - Implementation by SM4XDJ, Sweden

Yaesu VX5 Yahoo group - Yaesuvx5: this is a list devoted to the wonderful yaesu vx-5, includes lots of info and thousands of owners.

Icom V8000 mobile amateur transceiver - Universal radio IC-V8000 page includes accessories and photos

Fox Delta Amateur Radio Projects & Kits by VU2FD - Amateur Radio Projects & Kits for homebrewers, includes DDS,sound card interface,programmers, hamcom, frequency counter, RF Power Meter, modems and more.

Eurocom-pro - High performance Software and Devices

DxLink Priority listing - DxLink, a freeware DX cluster user software. Connect via Telnet or packet. CAT-interface and telnet out to run with your favorite logging software. Now version 1.5

QST signalink review - SL-1 - Designed to handle audio signal interfacing as well as transmit/receive switching Reviewed by Steve Ford, WB8IM

Computer headset interface for icom ic-718 - KR1ST computer headset interface for Icom IC-718

MicroBeacon - The MicroBeacon is the combination of a memory keyer and controllable RF attenuator.

The smk-1 on 20m - Taking the venerable SMK-1 design to 20m and adding an RF amp, audio filter, and a TiCK Keyer ... by Wayne McFee, NB6M

Pc-programming cable for kenwood th-g71a / th-f6a - The interface described here has been verified to work on the TH-G71 and also the the TH-F6A/TH-F7E

Rainbow Antenna Analyzer - A small and inexpensive measurement device designed to determine antenna performance across the amateur bands through use of automatically collected SWR readings

Rf probe - A sensitive RF probe is very useful in a situation where an oscilloscope is not available