Technical Corner

The Last NS-40 CW Transmitter.

Started by gil

Replies: 10
Views: 53,160

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

The EA3GCY MFT-40 DSB Transceiver Kit.

Started by gil

Replies: 3
Views: 44,620

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

Homebrew Key, Iambic Padles Using Saw Blades.

Started by gil

Replies: 1
Views: 28,785

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

New Super QRP Rig Schematic!

Started by gil

Replies: 6
Views: 35,569

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

Building a Small Wonder Labs SW+40 CW radio.

Started by gil

Replies: 12
Views: 51,127

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

New QRP Labs 5W CW Transceiver Kit.

Started by gil

Pages1 2 3 ... 6

Replies: 77
Views: 307,322

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

MOVED: Portable battery capacity spread sheet

Started by gil

Replies: 0
Views: 27,963

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

Powering the Weber MTR and small QRP radios via USB.

Started by gil

Replies: 0
Views: 27,695

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

The Last Warbler 20 PSK31 transceiver kit.

Started by gil

Replies: 7
Views: 43,180

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

MOVED: Battery buffer to power supply?

Started by gil

Replies: 0
Views: 27,409

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

MOVED: Building a 40 Ah Battery Box

Started by gil

Replies: 0
Views: 27,590

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

Anyone can help me with my BitX20?

Started by gil

Replies: 6
Views: 37,781

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

Tube testers

Started by Holiday

Replies: 2
Views: 32,691

October 15, 2014, 08:12:25 PM
by RadioRay

New Project: Rebuilding a Heathkit HW-101

Started by Jim Boswell

Replies: 4
Views: 39,982

January 25, 2015, 01:41:16 PM
by gil

QRP Radio Lineup

Started by Jim Boswell

Replies: 3
Views: 34,935

April 12, 2014, 07:02:03 PM
by RichardSinFWTX

Building Hf Antenna

Started by Jim Boswell

Replies: 10
Views: 63,516

November 16, 2013, 09:12:47 AM
by Lamewolf

New Kit to Build

Started by Jim Boswell

Replies: 5
Views: 40,247

January 29, 2013, 10:26:38 AM
by cockpitbob

Rock-Mite 40M (7030)

Started by Joe

Pages1 2

Replies: 27
Views: 101,541

May 19, 2013, 09:53:07 PM
by Joe

7.62 Paddle

Started by Joe

Replies: 11
Views: 60,457

June 09, 2013, 01:05:20 AM
by s2man

Programming your ham radio

Started by Jonas Parker

Replies: 3
Views: 33,013

February 22, 2013, 06:43:08 PM
by deanathpc