alternative power

T-MATCH ATU - T-Match Network Antenna Tuner for a wide range of complex antenna loads between 1.8 and 30Mhz at moderate power levels by VK6YSF

DXCalendar for upcoming dx peditions - DXFor.me dx calendar powered by NG3K feed

Shortwave Daddy - The Shortwave Daddy is an easy to assemble PC based and USB powered AM/FM/Shortwave radio kit with many features that will delight both DX shortwave enthusiasts and experimenters seeking to learn more about microprocessor controlled radios.

Ameritron AL-1500 mod - Adding a second 3CX1500A7 to the ameritron AL-1500 and changing inboard power supply.

Heathkit SB-200 Restoration - A complete restoration of a Heathkit SB-200 HF power amplifier

FL2100 Modifications and Repairs - Common problems and improper operations of Yaesu FL 2100 RF power amplifier

Yaesu FL-2100B - Technical specifications and details of the Yaesu FL-2100B HF Power Amplifier

Yaesu FL2100Z operating tips - The Yaesu FL2100Z is a HF linear amplifier rated for 1200W PEP input, and using two 572B triode tubes. This article explores the recommended operating conditions, and alternatives.

FL2100 - 12 meter band mod - Adding a full power output 12 meter band capability to the Yaesu FL-2100 despite of 10 meter.

FL-2100Z review - Review of the Yaesu FL-2100Z Linear Power Amplifier

Yaesu FL-2100B-Z eham reviews - Reviews of the Yaesu FL-2100 series power amplifier at eham

About HF Amplifiers - Article on evaluating HF Power amplifiers and review of popular PA by K0BG

4-1000A Homebrew HF Amp - Building an HF power amplifier based on a 4-1000A

811 Linear Amplifier project - A lower power desktop linear with integrated 120vac power supply. This, very compact, dual 811 version will deliver about 300 watts output. Covers all bands including WARC bands.

Building a portable 12 Volt DC power source - Project with pictures and descriptions for building a portable 12 Volt DC power source by N1KXR.

ZL2PD CMOS Keyer - Two cheap CMOS ICs and a few transistors was all that was required to rebuild an elderly TTL automatic morse keyer into a low current lightweight battery powered iambic morse keyer.

G3PTO Power Meter - This Power meter is capable of dissipating up to 100 watts for a short period and 20 watts continuously

PETH-40-HAM - +/- 15 V, 1.5 A power supply project

Modifying HP Proliant Server Power Supplies - This article documents the modification of 2 types of Hewlett Packard switching power supplies to enable their use as power sources for ham radio equipment

Converting HP ProLiant Power Supplies - Converting HP ProLiant Power Supplies for Amateur Radio Use

High voltage power supply - An High voltage power supply design by F1FRV

Ofcom PLT - Ofcom and Power Line Telecommunications (PLT)

UKQRM - Yahoo Group against the proliferation of Homeplug (HPA), Comtrend (UPA) or Power Line Technology/Telecoms PLT or PLA adaptors

Ban PLT - Ban Power Line Technology a website devoted to defend amaterur radio against power line communications devices interferences

Arcing or Gassy 572B Tube - Common problems of the 572B tubes often used in many RF Power Amplifiers