dj g7 mars

160m Aerials for small gardens - G7LRR aerials\'s that work in small Garden of 20ft x 15ft with a 60ft mast

4m Slim Jim Antenna - This 4m Slim Jim Antenna is cheap and easy to build yet it greatly out performs the more usual dipole due to its low angle of radiation. An SWR of 1:1 is obtainable across the 4m ham radio FM band with a simple adjustment.

DJ9BV yagis for 50 Mhz - Six meter band DJ9BV yagi antennas by YT1VP

Adjusting HF Antenna Lengths  ^updated - Find out how much to adjust the length of a quarter wave whip or a half wave dipole rather than the outright cut-and-try method.

Rabbit-Ears Dipole Antenna - This handy and cheap portable dipole can be folded and backpacked, carried in use, and adjusted to a very wide range of frequencies.

BiQuad 802.11b Antenna - Home made WiFi 11dBi, wide band antenna by T. Marshall

NC7J Cluster - NC7J Web Cluster running CLX packet cluster

OJ0UR - Market Reef 2011 OJ0UR DX pedition by PA5R/DJ5MO, PD9DX, ON8AK and ON5UR.

Navy-Marine Corps MARS - Navy-Marine Corps Military Auxiliary Radio System

Melton Mowbray amateur radio society - G4FOX G7FOX

Christchurch Amateur Radio Society - This is the new website of Christchurch ARS - Club callsigns G0MUD, G7MUD and contest callsign G2C

KD5SDJ Indian Territory Amateur Radio Society - small but dedicated group of radio operators who primarily operate on a simplex on a frequency of 147.435

QSLogBook - Amateur radio operators exchange QSL cards to confirm two-way radio contact between stations. We here at QSLogBook offer a Social Network to accomplish a more personal contact

AiseKom Balloon Project in Spain - AiseKom balloon experiment July 2011

QRSS beacon - 30 meters beacon from UK. QRSS is a method of sending very slow morse code.

Inside The Drake TR-7 - The intent of this article is to help the semi-non-technical person understand what is inside the Drake TR-7(A) Transceiver, how it works, and discusses simple adjustment and modifications the end-user can perform

FT-920 modifications - Expanded Digital Mode Operating Instructions, MARS/CAP modification for the American FT-920

mhuxd Priority listing - Use microHam Keyers under Linux Daemon implementing the microHam keyer protocol. Provides virtual serial ports. Supports CW Keyer, DIGI KEYER I/II, micro KEYER I/II, MK2R(+), micro2R.

UnidenCommander - UnidenCommander, Uniden Commander provides full control over your Uniden Bearcat scanner from your PC and even adds functionality which is not normally available on your Uniden Bearcat scanner.

The Pecker - The Pecker is a software application that emulates an existing hardware amplifier tuning aid operated in SSB mode as apposed to CW or AM. As such no carrier is used by G7EIX

Adjustable Regulated Battery Charger - This battery charger circuit is regulated and adjustable to make this circuit able to charge the mosto NiCAD battery.

RF Dummy Load - The use of dummy load is mandatory for off-air adjustment of the transmitters. Build one.

QLF Filter - Microprocessor based interface designed receives a signal from a Morse key, processes it, and re-transmits it to the radio. A microprocessor in the circuit is pre-programmed with a proprietary algorithm which makes a number of measurements and adjustments to the less percise human generated code.

0-30V 10A adjustable power supply - Building a microprocessor controller power supply, capable of delivering 0-30V output at 10 A.

0-20V 5A adjustable power supply - This project describe building an adjustable power supply, capable of delivering 0-20V output at 5A.