amplifiers 2m

17 elements 144 MHz Plus2 LFA Yagi Priority listing - No other 2M antenna comes close in performance to these Plus2 Yagis, commercial or otherwise.

19 elements Plus2 LFA Yagi for EME Priority listing - A Low-Noise Urban 19 element Plus2 LFA Yagi for 144MHz, check the VE7BQH list, no other 2M antenna comes close in performance. You can build it yourself for free

Slim Jim Antenna - Slim Jim 2 meter omni directional vertical antenna

20 elements 432MHz LFA Yagi Priority listing - A0 element super low-noise simple to build Yagi for 70cms. Uses 1/4 inch and 12 inch tube/rod

26 elelements 432MHz LFA Yagi - 26 elements 70cms Yagi for EME ultra low noise excellent G/T figure. Easy self build

30 el 432MHz LFA Yagi Priority listing - 30 elements 432MHz LFA Yagi over 44dB F/B and almost 21dBi forward gain. Easy build, no match required.

Broadband Dipole 2MHz o 30MHz with no ATU - A broadband travelling wave dipole for HF bands, whose VSWR is less than 2:1 from 3 to 15 MHz and does not exceed 2.6 to 1 from 2.3 to at least 30 MHz

Duoband DK7ZB-Yagis 2m and 70cm - These Yagis cover the range of 144-146MHz on 2m and 430-440MHz on 70cm. They can be used for alle modes (FM and SSB/CW). On both bands the SWR is good across the whole band.

The Optimum 6 Element Yagi-Antenna - A 70cm and 2m 6 elements yagi antenna plan based on the IEEE Transactions on Antennas and Propagation

TACLog - Tac Log is a free input format log book for VHF/UHF/SHF contests. Where most other programs dictate the order and format of the input data during contesting, TACLog gives you freedom of operation, both on the air and on your computer. EDI format and Region 1 rules compliant.

History of Ham Radio in India - Taken from: Brief History of Amateur Radio in Calcutta-by Avinash Missra, VU2EM

muTek Limited - Manufacturer of RF amplifiers, low noise pre amps, transverters, power supplies

Delta Sigma, Inc. - High Power RF Amplifiers by Delta Sigma, Inc

Booster 144 Mhz amps - Professional ham radio VHF amplifiers made in indonesia

HI-Z Antennas - HF receiving systems and components, band pass filters, array controllers, HI-Z pre amplifiers

1296 by KB2AH - Specialized 1296 Mhz Equipment, Circular Feeds, LNA, power amplifiers, Antenna systems, Test equipments, antenna mounting blocks

ATV 432 MHz transmitter - ATV 432 MHz AM transmitter schematic

A 2.3GHz to 432MHz receiver converter - Receiver converter that can be plugged to the backside of the Yaesu FT-817 battery powered portable transceiver

Tube-type amplifier FAQs. - This page should help the less experienced users solve common problems and questions about HF tube-type amplifiers by Matt Erickson KK5DR

Harris linear amplifiers mods  ^updated - Harris linear amplifiers RF-353 and RF-355, full automatic amplifiers, 1.6 to 30 MHz How to use them without the Harris transceiver RT-1446 by F1FRV

Solid-state HF amplifiers - What makes a good solid-state amp ? by Adam Farson, VA7OJ/AB4OJ, May 2002

2 meters Power Amplifiers - Several 144 MHz Power Amplifier by YT1AR using GI7B GS31B GS35B GU34B

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

High power amplifiers by pass relays  ^updated - These relays are only to be used for output power who exceeds conventional antenna relays specifications.

2M to 10M receive converter - EI9GQ 144 to 28 MHz converter