Technical Corner

MOVED: World Record Solar Cell With 44.7% Efficiency.

Started by gil

Replies: 0
Views: 28,646

October 13, 2016, 07:19:20 AM
by gil

The EA3GCY MFT-40 DSB Transceiver Kit.

Started by gil

Replies: 3
Views: 47,198

August 28, 2017, 05:19:23 PM
by caulktel

The Last Warbler 20 PSK31 transceiver kit.

Started by gil

Replies: 7
Views: 45,834

June 16, 2015, 10:32:22 PM
by gil

MOVED: Portable battery capacity spread sheet

Started by gil

Replies: 0
Views: 29,857

October 13, 2016, 07:20:08 AM
by gil

MOVED: Free power!!

Started by gil

Replies: 0
Views: 28,941

October 13, 2016, 07:19:33 AM
by gil

New QRP Labs 5W CW Transceiver Kit.

Started by gil

Pages1 2 3 ... 6

Replies: 77
Views: 340,533

May 10, 2018, 09:33:12 AM
by vwflyer

Powering the Weber MTR and small QRP radios via USB.

Started by gil

Replies: 0
Views: 29,421

June 10, 2015, 12:33:14 AM
by gil

Building a DC20B 20m CW Transceiver kit.

Started by gil

Replies: 2
Views: 49,852

July 28, 2014, 04:04:32 PM
by Rob_ma

Building The MEF-1 Half-Wave End-Fed Antenna Tuner.

Started by gil

Replies: 1
Views: 37,905

June 01, 2017, 04:52:19 PM
by Jon_Garfio

The Micro80D and thoughts on the 80m band.

Started by gil

Replies: 4
Views: 36,286

June 09, 2015, 10:22:52 PM
by gil

New Super QRP Rig Schematic!

Started by gil

Replies: 6
Views: 37,618

October 25, 2013, 11:36:57 PM
by raybiker73

Building a Small Wonder Labs SW+40 CW radio.

Started by gil

Replies: 12
Views: 53,988

November 07, 2013, 12:20:05 PM
by Lamewolf

I need a bit of machining...

Started by gil

Replies: 4
Views: 34,690

July 05, 2016, 02:11:40 PM
by gil

MTR Scare!

Started by gil

Pages1 2

Replies: 20
Views: 92,379

June 19, 2014, 10:34:45 PM
by gil

The Last NS-40 CW Transmitter.

Started by gil

Replies: 10
Views: 56,026

May 15, 2015, 12:37:08 AM
by gil

Homebrew Key, Iambic Padles Using Saw Blades.

Started by gil

Replies: 1
Views: 30,635

September 05, 2016, 04:55:54 PM
by cockpitbob

Pico Keyer Woes.

Started by gil

Replies: 0
Views: 28,773

May 28, 2015, 10:35:56 PM
by gil

MOVED: Building a 40 Ah Battery Box

Started by gil

Replies: 0
Views: 29,476

October 13, 2016, 07:19:42 AM
by gil

MOVED: Battery buffer to power supply?

Started by gil

Replies: 0
Views: 29,274

October 13, 2016, 07:19:56 AM
by gil

Anyone can help me with my BitX20?

Started by gil

Replies: 6
Views: 40,019

August 12, 2015, 09:57:12 PM
by gil