amplifiers 2m

A 5/8 mobile whip for 2m - Schematic for a a 2m 5/8 λ mobile whip, courtesy WB4MYL

Flower Pot Antenna for 2 and 6 mt - The diagram below shows the basic arrangement of the 2m Half-Wave version of the antenna. A 6m diagram is available too by VK2ZOI

A homebrew magnetic antenna mount - A homebrew Magmount for 2m antenna

Normal Mode Helix Antennas for HF - Normal Mode Helix Antennas for HF Mobile

Slim Jim Antenna Using Twinlead - 2 Meter Slim Jim Antenna Using 300 Ohm Twinlead

432 MHz Antenna Comparison Chart - Comparison of several UHF antennas by DF9CY

70 MHz bandplan - The long range bandplan for 70 MHz by OZ2M

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

GB3JB 2m Repeater - Willoughby Hedge - The Green Repeater Powered by Wind and Solar Energy

Alpin Amplifiers - ALPIN is a German-Bulgarian company, founded with the purpose to develop and produce ham-radio equipment. Makers of Aplin 100 and Alpin 200 ham radio RF power amplifiers

Dishtronix - High power, solid state RF amplifiers and accessories, amateur radio power meters and Prometheus RF power amplifier manufacturer

Elenos - ELENOS is the leader company for fm transmitters, amplifiers, radio broadcast equipment and custom systems.

AO-40 VHF Converter - 144 MHZ to 28 MHZ 2nd Down-Converter for AO-40 Sat

Acom 1000 Acom 2000A Review - RSGB Review of ACOM 1000 and ACOM 2000A amplifiers

10/12 meter Mod for Ameritron 811 - 10 meter modification for the Ameritron AL-811 and AL-811H amplifier. This mod apply to other Ameritron AL Series RF amplifiers and allow extension to 10 and 12 meters band.

Ameritron AL-811H Reviews - eHam reviews of the Ameritron AL-811H HF power amplifiers

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.

ID-Elektronik GmbH - ATV products manufacturer, antennas, ATV transmitters, SWR meters, amplifiers

Understanding Linear Amplifiers - Understanding Solid State Linear Amplifiers

Amplifiers - Care and Feeding - Antenna and Power considerations, ALC Keying interface, Battery info, Keying interfaces and more

Pondering a QRO Amplifier? - Matrix of several popular amplifiers currently on the market

OZ2M - Next generation beacon - Next Generation Beacon hardware platform encompasses both analog and digital modes, i.e. CW FSK and MGM in a mixed mode configuration. The advantage of the mixed mode is that humans can decode the CW FSK by ear and the MGM can be decoded by computers way below what is audible. Therefore the MGM can be used for “pre-human-conditions” or early warning monitoring.

144/432MHz Homebrew Antenna Diplexers - VHF UHF diplexer by G8MNY

Power netfilter - Homebrew a Power netfilter

UHF on a VHF Rig - This circuit enables fair copy of strong 444 MHz signals, off a local repeater, using a 2m rig and a 1/4λ 70 cm indoor ground plane antenna.