amplifiers 2m

70cm 2 x 11 elements Cubical Quad - A group of 2x11 elements all grounded quad antenna for portable operation on 70cm. Included detailed pictures and measurements.

Slim Jim Antenna Build - Homebrewing a slim jim antenna for 2m and 70 cm

Helix antenna for 2 meter - Homebrew a helix antenna VK5ZAI style for satellite use

YouTube - jpole homebrew - jpole 2mtr 70cms homebrew antenna

How change a shaft on a Steppir Dipole - PE2MC show how to change a shaft on a 30/40 meters Steppir Dipole antenna with pictures and instructions

Construction Principles for UHF VHF Yagis - The Construction Principles for Duoband-Yagis 2m/70cm by DK7ZB

Portable Antennas for 2 m and 70 cm - Comparing SWR of vertical HT antennas for VHF and UHF

South Lakeland Repeater Group - Supports 2 analogue (GB3LD 2m & GB3LF 70cm) and its NEW D-STAR digital GB7LF.

MM0DXK Renfrew Amateur Radio Society - Renfrew Amateur Radio Society was started in 2004 by the founder member Tommy 2M0 TXA

160m WebSDR from Poland - WebSDR receiver in Wroclaw, Poland. Antenna is 160m inverted-L 12m height.

RF Power Amplifiers - RF Power develope, produce and sell high quality solid state RF Power linear amplifiers

Clifton Laboratories - Band Reject Filters, Bandpass Filter, Active Antennas, amplifiers and preamplifiers

Hilberling - Hilberling GmbH based in Rendsburg Germany manufacturer of HF VHF Transceivers, rf power amplifiers, power combines, RF generators, power supplies, Antenna Diplexers and Triplexers

HF Amplifiers comparison chart - Comparison table of most popular RF HF Power Amplifiers in the US market

ICOM IC-746PRO Problems - The purpose of this web page is to try to investigate some of the issues around ICOM IC-746PRO reported by many radio amateurs through out the world; and unfortunately not properly taken care of by ICOM.

Homebrew Yaesu CT119 Cable - To make a software update for the Yaesu FT-DX9000D, its needed to buy original CT-119 cable.

NCDXF Beacon for Android - NCDXF Beacon is a simple tool to monitor the NCDXF beacons on the Ham Radio bands 20m, 17m, 15m, 12m and 10m. Upon start the the time will be synchronized with an NTP server.

Change Battery on DVS-2 - The DVS-2 is a CQ unit for the Yaesu Trancievers.

The Milli Beacon - This page describes an cheap RF signal source, a portable micro beacon, using a low cost temperature controlled crystal oscillator

Single coax filter - Coax Stubs for filters to help separate stations

Stub HF filter - Multi transmitter filters for HF Bands

Anatomy of a Loudspeaker - There are a number of important technical issues relating to the matching of speakers to amplifiers, and to the wiring of multiple speaker systems

Lightning protection Coax box - A lightning protection box done to disconnect antennas from the shack by PE2MC

2m Repeater Maintenance - K6BJ-2m Repeater Maintenance and Repair Log

2m sniffer - How to construct a “Sniffer” for 2m DF by Denis G3UVR