Technical Corner

NS-40 Class E Transmitter Kit - $32 Shipped

Started by Rob_ma

Replies: 5
Views: 43,855

January 16, 2014, 09:57:33 PM
by gil

O.K., how much loss can I expect...

Started by White Tiger

Replies: 5
Views: 58,322

March 13, 2013, 12:59:57 PM
by cockpitbob

On My Bench Right Now

Started by RadioRay

Replies: 5
Views: 45,813

November 21, 2012, 11:08:27 PM
by cockpitbob

Pico Keyer Woes.

Started by gil

Replies: 0
Views: 32,304

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

Polyphaser

Started by mdmc

Replies: 1
Views: 33,556

December 20, 2013, 08:38:09 AM
by cockpitbob

portable power for yaesu 7800?

Started by kablooie

Replies: 3
Views: 43,744

December 08, 2014, 01:10:14 AM
by kablooie

Powering the Weber MTR and small QRP radios via USB.

Started by gil

Replies: 0
Views: 33,323

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

Pro and Con of Various QRP Rigs as survival radios

Started by swxx

Pages1 2 3

Replies: 32
Views: 272,077

January 11, 2020, 09:17:41 PM
by Sparks

PSK-31 RX/TX Via iPad or iPhone

Started by RichardSinFWTX

Replies: 0
Views: 34,885

April 08, 2014, 04:16:05 PM
by RichardSinFWTX

QRP AM Broadcast Transmitter Schematic, No Harmonics.

Started by freax

Replies: 1
Views: 35,978

October 01, 2014, 12:15:45 AM
by gil

QRP Radio Lineup

Started by Jim Boswell

Replies: 3
Views: 40,931

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

QRPguys Kits - Some Available at this site

Started by RadioRay

Replies: 0
Views: 1,674

August 07, 2026, 05:04:11 PM
by RadioRay

QRPGuys Morse Code Paddle Kit Build.

Started by gil

Replies: 8
Views: 90,785

March 09, 2018, 05:07:47 AM
by gil

Radio reapirman EU BASED

Started by EA3IAV

Replies: 1
Views: 70,785

September 17, 2022, 04:58:53 PM
by gil

Ray's Horrifically Abused Heathkit of the Week...

Started by raybiker73

Replies: 1
Views: 32,736

October 22, 2013, 07:57:35 PM
by WA4STO

Real Radio & Before there was SOTA, There was W7ZOI & Friends

Started by RadioRay

Replies: 6
Views: 53,244

August 14, 2016, 04:08:48 PM
by gil

Repurpose HF gear

Started by vwflyer

Replies: 9
Views: 64,014

January 23, 2015, 11:20:20 AM
by Lamewolf

Repurposing

Started by PuJo

Replies: 4
Views: 49,262

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

Restoring an Ameco AC-1 Tube CW Transmitter.

Started by gil

Replies: 7
Views: 48,693

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

RF Noise Source Found

Started by RadioRay

Replies: 5
Views: 56,469

November 08, 2014, 08:09:35 PM
by RadioRay