Technical Corner

The Last Warbler 20 PSK31 transceiver kit.

Started by gil

Replies: 7
Views: 43,185

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

Repurposing

Started by PuJo

Replies: 4
Views: 42,805

April 16, 2015, 08:14:09 AM
by Naniaforzen

Noooooooo! The EFHW tuner has been retired.

Started by gil

Replies: 4
Views: 42,735

November 07, 2013, 01:37:39 PM
by KK0G

Mini Paddle Kits from QRPGuys

Started by cockpitbob

Replies: 7
Views: 42,680

August 25, 2016, 09:44:49 PM
by cockpitbob

EMP Proofing your gear while in the car or in your go-bag. (Useful Tin boxes)

Started by freax

Replies: 6
Views: 42,405

February 18, 2015, 09:57:58 PM
by ciphercomms

Trail Friendly Antenna Wire

Started by KK0G

Replies: 3
Views: 41,949

April 09, 2015, 10:41:58 AM
by KK0G

Amplifier for Use With QRP Rigs

Started by RadioRay

Replies: 5
Views: 41,880

May 09, 2013, 09:19:17 AM
by KK0G

The $11 Frog Sounds CW Transceiver.

Started by gil

Replies: 4
Views: 41,651

August 28, 2017, 09:04:08 AM
by gil

Restoring an Ameco AC-1 Tube CW Transmitter.

Started by gil

Replies: 7
Views: 41,398

November 04, 2013, 08:44:11 PM
by gil

Elecraft K1 Decision.

Started by gil

Replies: 0
Views: 41,365

June 03, 2012, 02:30:16 PM
by gil

World's Least Expensive Software Defined Radio

Started by RadioRay

Replies: 6
Views: 41,339

September 07, 2013, 04:37:13 PM
by gil

The ILERTENNA End-Fed Tuner.

Started by gil

Replies: 4
Views: 41,232

July 16, 2016, 08:51:05 AM
by cockpitbob

I Built an Elecraft K1!

Started by gil

Replies: 2
Views: 41,077

July 05, 2012, 08:47:28 AM
by gil

The Resurrection of the Small Wonder Labs SW+ Radio.

Started by gil

Replies: 1
Views: 41,052

February 09, 2018, 03:11:02 AM
by Benjamin

BangGood QRP tuner

Started by vwflyer

Replies: 7
Views: 41,027

October 24, 2015, 08:38:23 PM
by vwflyer

The Power Pot

Started by piggybankcowboy

Replies: 7
Views: 40,994

October 01, 2012, 11:39:34 AM
by Mitch

MTR5B is not working with batteries

Started by W4RAM

Replies: 1
Views: 40,875

September 07, 2020, 06:12:47 AM
by gil

Rock-Mite 30, it's alive!

Started by gil

Replies: 9
Views: 40,838

May 20, 2015, 02:23:51 PM
by cockpitbob

Simple 5 band antenna and L network tuner

Started by swxx

Replies: 2
Views: 40,659

August 31, 2017, 10:49:42 AM
by swxx

I Built an Elecraft K2.

Started by gil

Replies: 2
Views: 40,534

September 05, 2012, 12:12:17 AM
by gil