amplifiers rf

DF2PI - Amateurfunk - QRP and photos ham blog de DF2PI

DL6YDY QTH germany - hobby amateurfunk - Ham Radio blog made by NormCast alias DL6YDY

DK8EY - Amateurfunk bei DK8EY, Chris aus Mettmann im Neandertal.

DG2MAS Podcast blog - Funkamateur.org feat. amateurfunk podcast

DL6DBN - Ein satellit entsteht und andere amateurfunkaktivitäten...

DG2DRA blog - Amateurfunk in der oberlausitz

DG7ABL.de - Amateurfunk, linux and computing

DK2AB Core blog - Amateurfunk blog

KB3KAI David stansbury - David stansbury kb3kai, amateur radio site with live harford county weather feeds, ham technical info, blog and more

RF Electronics - 500 W, KW and 6M ham radio amplifier kits for export

MAXRAD Antennas - manufacture networking antennas and accessories for 802.11a, 802.11b and 802.11g WiFi (Wi-Fi) and WiMAX applications, including wireless bridging, wireless LANs, RFID and wireless hots spots

Austin Antenna - Austin Antenna employs leading-edge antenna technology in the production of the highest performance antennas currently available. Marine Antenna, Multi-band Mobile, Point-to-Point, Base Station, Wide-band Land Based, LPDA, Linear Omni, Triplexer, Scanner Antennas

A & A Engineering - Smart Battery Chargers, WeatherFAX, Color SSTV,GPS-Based Frequency Standard, Power/SWR Meter, , Digital Frequency Synthesizers

Donner's digital interface - Donner's digital interface sales. Interface that will let you connect your amateur radio and computer to receive digital modes of communication like PSK31, RTTY, CW, SSTV Also have rig control interfaces.

FT-1K OptoCAT - The simple and safe RS232 CAT interface for Yaesu FT-1000MP, FT-1000MP Mark V and FT-1000MP Mark V Field rigs

Connecting the Yaesu VL-1000 (quadra) to the FT-1000MP/MkV - based on an FT-1000MP Reflector discussion with Bill Heinzinger, W9OL, 15/16 November 2002

Yaesu FT 897 mods  ^pop - Modifications, schematics, programming interfaces and manuals for the Yaesu FT-897

Yaesu FT-897d mods - Programming interface schematics for Yaesu FT-897D programming interface, Yaesu 4 pin plug PDF User Manual for Yaesu FT-897D (FT 897 D FT897D)

RS232 interface for Kenwood rigs - SS232K - The simple and safe RS232 interface for Kenwood radios

G4AXX Voice keyer Interface - This voice-keyer-interface connects between a Yaesu FT1000MP and a PC's sound card & COM port. It can be used as a voice-keyer with Contest Voice Blaster and as a voice-keyer and CW-keyer with Writelog.

Grounding and RFI - Described system was designed to provide a high level of lightning protection - there are three levels of defense to guard against let-through. It isn't perfect, but does, however, follow good guidelines and shows measured improvements in RFI reduction.

QRP 12V Power Pack - A perfect companion for your Elecraft K1 or any other (not power hungry...) QRP rig

FT-1000MP interface - YAESU FT-1000/MP/MARK V (filed) interface, this one of numerous RTX sound blaster interfaces you can find on the internet, but this one include: FSK KEYING to use with the RTTY port, DVS-2 to use the interface in AFSK mode, this include all digital modes + voice keyer, CW KEYING

FT8x7 OptoCAT - The safe RS232 CAT interface and PA buffer for Yaesu FT-817, FT-857, FT897 and FT-100 rigs

K2 OptoCAT - The safe RS232 CAT interface and PA buffer for Elecraft K2