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151 links - and 1 categories

QRO No-Tuner Multiband Dipole - KK5JY
Construction details of a multiband dipole that can can operate at high power levels and ...

[ Hits: 1508 | Votes: 2 | Rating: 4.5 ]

Hustler 6BTV mod - N0RQ
6BTV or 5BTV or 4BTV mod for 12 and 17 meter bands how to make ...

[ Hits: 756 | Votes: 0 | Rating: 0 ]

GQRP Club
A non profit organisation run entirely by volunteers to promote Low Power Radio.

[ Hits: 356 | Votes: 0 | Rating: 0 ]

Accessible Digipan - KK6MRH WA0PSS
Blind and visually impaired ham radio operators can now operate PSK31 in a powerful and ...

[ Hits: 332 | Votes: 0 | Rating: 0 ]

Broadband Power Technology
Active Receiving Antennas designed for reception of shortwave mediumwave and longwave signals and VHF UHF ...

[ Hits: 337 | Votes: 0 | Rating: 0 ]

ACOM 1000 by PA3HGT - PA3HGT
A nice review of the Acom 1000 HF and 6 meter RFpower amplifier by Acom ...

[ Hits: 559 | Votes: 2 | Rating: 5.5 ]

DX4Win and Icom PW-1 - W4PK
Using DX4WIN with ICOM radios and the ICOM PW-1 RF power amplifier

[ Hits: 232 | Votes: 1 | Rating: 3 ]
Using the PW-1 safely - microHam
An article by MicroHam on using the Icom PW 1 RF Power Amplifier safely and ...

[ Hits: 219 | Votes: 1 | Rating: 1 ]

KX3 Companion App
The KX3 Companion in an app that will let the power use of your Elecraft ...

[ Hits: 824 | Votes: 2 | Rating: 10 ]

Repairing a TE-Systems 1452G - F5DQK
Slides of a TE systems 1452 reparation including the schematic diagram of this monoband VHF ...

[ Hits: 488 | Votes: 4 | Rating: 7.25 ]

Yet Another Amp for the 817 - VK3YY
An HF 10 20m portable RF power amplifier based on the RD16HHF1 FETS giving 25 ...

[ Hits: 600 | Votes: 0 | Rating: 0 ]

RF PWR and SWR Meter with Arduino - ON7EQ
This sketch will read RF power and SWR from any SWR bridge designed to work ...

[ Hits: 10662 | Votes: 34 | Rating: 6.97 ]
Arduino SWR and Power Meter - LB0MG
The circuit is based on two AD8307 log amplifiers which are connected to the forward ...

[ Hits: 1588 | Votes: 3 | Rating: 6.67 ]
Airgate - DL8RDS
A Receive-Only, Low-Power APRS iGate made with Arduino

[ Hits: 149 | Votes: 2 | Rating: 4 ]

Fix the Astron Power Supply Amp Meter
How fix Astron 70 model number VS-70M amp meter not working

[ Hits: 373 | Votes: 0 | Rating: 0 ]
Repairing switchmode power supplies
Notes on the Troubleshooting and Repair of Small Switchmode Power Supplies

[ Hits: 541 | Votes: 1 | Rating: 2 ]
Peth-9910 10A Power Supply
A project of a linear regulated for low noise power supply 16v, 10A

[ Hits: 644 | Votes: 2 | Rating: 6 ]
Repair FP-29 Power Supply
Notes on troubleshooting and repairing a yaesu FP-29 power supply by va3cr

[ Hits: 1059 | Votes: 4 | Rating: 6.5 ]
How to convert Server Power Supplies - rcgroups
The practice of converting computer server power supplies to make a very high quality high ...

[ Hits: 823 | Votes: 0 | Rating: 0 ]

Locating Power Line Noise - Stu Phillips
RF interference from power lines is caused by arcing as high voltage electricity bridges a ...

[ Hits: 427 | Votes: 0 | Rating: 0 ]