Technical Corner

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

Started by White Tiger

Replies: 5
Views: 37,640

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

CW Audio Filter Kit

Started by RadioRay

Replies: 7
Views: 37,756

August 17, 2014, 07:55:21 PM
by underhill

The ULTIMATE QRP "Assault Radio" for the Adventurer

Started by RadioRay

Replies: 10
Views: 37,904

February 27, 2013, 09:15:35 PM
by White Tiger

The Weber Soda Pop Morse Code Radio, Boxing Up & Contacts.

Started by gil

Replies: 2
Views: 38,102

September 27, 2019, 04:43:46 PM
by gil

Building a Small Wonder Labs SW+40 CW radio.

Started by gil

Replies: 12
Views: 38,215

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

Repurpose HF gear

Started by vwflyer

Replies: 9
Views: 38,312

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

Yet another RockMite thread

Started by vwflyer

Replies: 12
Views: 38,473

April 15, 2015, 10:14:18 PM
by vwflyer

Digital modes for preparedness

Started by CroPrepper

Replies: 5
Views: 38,578

July 11, 2018, 11:02:59 AM
by Andywragg

1-Watter Small Morse Code Radio Build.

Started by gil

Replies: 12
Views: 38,987

May 11, 2017, 01:12:41 PM
by gil

Building a DC20B 20m CW Transceiver kit.

Started by gil

Replies: 2
Views: 39,020

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

Aoyue Temp Controlled Solder Station

Started by KK0G

Replies: 10
Views: 39,188

December 03, 2013, 03:56:24 PM
by AC0AX

New rig from Hendricks QRP

Started by KK0G

Replies: 10
Views: 39,792

May 01, 2014, 12:15:40 PM
by RadioRay

The Last NS-40 CW Transmitter.

Started by gil

Replies: 10
Views: 40,071

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

Crystal set cat's whisker

Started by NavySEAL

Replies: 10
Views: 40,181

June 16, 2016, 09:53:27 PM
by RadioRay

Building an EFHW (End Fed Half Wave) Antenna Coupler

Started by swxx

Replies: 4
Views: 40,314

September 01, 2017, 02:43:26 AM
by gil

SWR Meter goes haywire.

Started by madball13

Replies: 9
Views: 40,598

October 08, 2013, 01:45:18 PM
by Lamewolf

Science Fair Globe Patrol kit shortwave receiver

Started by Sunflower

Replies: 11
Views: 41,394

January 23, 2013, 11:52:37 PM
by Sunflower

How to solder aluminium rods?

Started by gil

Replies: 10
Views: 42,127

August 21, 2017, 02:33:20 PM
by gil

6 x AA Battery Holder w/Cover

Started by KK0G

Replies: 11
Views: 42,540

May 08, 2014, 08:23:46 PM
by KK0G

Radio reapirman EU BASED

Started by EA3IAV

Replies: 1
Views: 43,084

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