70 cms slim jim

14 el 70 MHz Low Noise LFA Yagi - This is a true monster Yagi for the 4m band which has a 50Ohm feedpoint with wide band performance yet the gain and F/B of a low impedance Yagi.

9 Element for 432 MHz - DF9CY 9 Element yagi antenna for 70 cm band

70 cm helix antenna - An Helix antenna for 70 cm band and satellite reception

70 cm Moxon - 70cms Simple Moxon 2 elements antenna

A 70cm Big Wheel Antenna - This is a 70cm big wheel antenna which is used at DB0FAI beacon

Dish for 10 GHz - Homemade dish antenna for 3 cm band

VHF UHF Slim Jim Antenna - A vertical monoband antenna design that can work from 6 meters to 70 cm by F5ZV in French

Scouting New Zealand JOTA - JOTA provides an excellent opportunity to meet Scouts and Guides from many countries and other parts of New Zealand.

International 70 MHz allocations - The Four Metres website offer a global overview graph of the four meter band plans world wide

The Aylesbury Vale Repeater Group - The Aylesbury Vale Repeater Group - GB3VA - 145.700 / 145.100 Mhz 433.050 434.650 Mhz. GB3VA GB3AV GB3BV GB7VA Site maintained by Phil M0PSH Aynet

CMSK - CMSK is a narrow-band weak signal digital mode for LF and MF ham radio bands defined by ZL2AFP. CMSK63 is the windows client program.

QRP Getting Started - Getting started in QRP article by AL7FS Jim Larsen

2M Programmable Fox-Or Transmitter - The 2 metre fox-or transmitter is a small low power transmitter which mounts in a small plasic pipe and runs off two AA batteries. The board measures just 12mm by 70mm.

Receiver Tests - Receiver tests of some transceivers and receivers including FT-1000, FT-2000, IC-751, IC-756 IC-7800 and TS-870

Kenwood TS-870S picture - Large picture and specifications

Raspy signals on the TS-870 - Troubleshooting the raspy signals on the TS-870S

Frequency adjustment on TS-870 - Adjusting frequency on Kenwood TS-870S

TS-870 Mods - Modifications for the Kenwood TS-870S

Mods Kenwood TS-870 ACC2 Input - This mod flattens out the ACC2 audio input low frequency response

TS-870S 4Khz Filter Modification - The TS-870 has a 3KC stock filter, swaping out this filter for the Inrad 4KC filter result better sensitivity on receive

KB2LJJ TS-870S Mods - Radio modifications for the Kenwood TS-870S

W2XC - Kenwood TS-870S Notes - Review of the Kenwood TS-870S by W2XC

FT-817 Automatic Band Select and Serial Interface - This project is an interface box for the Yaesu FT-817 that includes a band output port, a computer serial interface, and a remote interface for the FL-7000 solid state power amplifiers.

RADIOASSISTANCE - Ham radio equipment repair service in Milan Italy

Listening to DRM broadcasts - Experiments with reception of digital shortwave broadcasts