kpg 22 schematic

160m Helical Project - An helical antenna for 160 meters band by G0THS

EWE for 160 meters - EWE antenna for 160 meters post at eham.net

600:50 Ohm Baluns - Low-cost 600:50 Ohm Baluns by Andrew Corney ZL2BBJ

ZS6BKW in Inverted-V format - ZS6BKW antenna design in inverted-v format antenna design at QRZ forums

H40KJ H40BQ Temotu - Pigeon Island,Reef Islands,Temotu Province,Solomon Islands 7-22 October 2010

GB3MN and GB3VT Streams - 3.697 Mhz 80 Mtr Late Night Net[22.00gmt-05.00gmt]HF SSB. GB3VT Stoke on Trent 2 Mtr Amateur Radio Repeater 145.725Mhz[05.00gmt-22.00gmt] These streams now run back to back with high quality 64kbps aac+ and are availiable 24/7/365.

Quartslab - Quartslab has over 30 years of experience in supplying quartz crystals to the international communications market. Our product range includes the supply of quartz crystals in the frequency range 1.5 to 225 MHz in all popular holder types as well as crystal oscillators in DIL8 and DIL14 packages.

ATV 432 MHz transmitter - ATV 432 MHz AM transmitter schematic

80m fox hunting receiver - Schematic anc PCB for a fox hunting receiver for 80 meters band

The VK3YNG sniffer MK3 - This processor controlled autoranging sniffer has become popular for vehicle based foxhunting in Australia

FT-817 DC Circuit Protection - A schematic for a DX circuit protection for the Yaesu FT-817, provides protection from the external power supply overvoltage by DL2LTO in german

WinTone DTMF Decoder  ^updated - WinTone v2.02 id a windows DTMF Decoder

7 Watt HF Amplifier - An RF power amplifier, providing 7 Watts output in HF bands, schematic by ON6MU

2m and 6m Power Amp - Duoband PA for 6m and 2m by T92T abd YU1AW schematic

VHF Power amplifier for 6m and 2m - YU1AW power amplifier schematic for 50 MHz and 144 MHz made with 1xGI7V

Mic Pre Ampllifier - A microphone preamplifier schematic for hand-helds by ON6MU

Battery voltage booster - A battery voltage booster project with pictures and schematic by KD7W

CAT Interface - CAT (Computer Aided Tuning) connects computers with ham radio. Yaesu FT-890 intercace and ICOM IC-Q7 schematics by DK7IN

QRP Power Meter and Dummy Load - In this article the schematic is of AA5TB QRP power meter and dummy (50 Ohm) load combination

4AMP 18v power supply - Schematic of a 4 AMP / 18v regulated power supply by ON6MU

2A Power Supply - Schematic of a regulated 0-24v 2A Power Supply

20/22A or 30/32A 13.8 v power supply - 20/22 Ampere or 30/32 Ampere 13.8 volts power supply RE-PSF14A20 or PSF14A30 by ON6MU

A 40 meter QRP Transceiver - A 7 MHz homebrewed QRP transceiver project with full schematic and detailed pictures by DL5NEG

50MHz SSB/CW Transceiver - A SSB CW transceiver for six meters band with schematic and block diagram

AA5TB regenerative receiver - Project and schematic of a regenrative receiver by AA5TB