Technical Corner

MOVED: World Record Solar Cell With 44.7% Efficiency.

Started by gil

Replies: 0
Views: 31,866

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

I need a bit of machining...

Started by gil

Replies: 4
Views: 38,588

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

MOVED: Free power!!

Started by gil

Replies: 0
Views: 32,133

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

Building the MST400 40m SSB transceiver.

Started by gil

Replies: 1
Views: 38,647

March 23, 2013, 11:12:15 PM
by gil

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

Started by gil

Replies: 1
Views: 41,550

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

MOVED: Re: Show us your Solar Power System.

Started by gil

Replies: 0
Views: 32,372

October 13, 2016, 07:19:10 AM
by gil

My BitX20 Choice.

Started by gil

Pages1 2 3

Replies: 31
Views: 152,514

June 28, 2015, 01:52:20 AM
by gil

Pico Keyer Woes.

Started by gil

Replies: 0
Views: 31,433

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

Easy Dummy Load Project.

Started by gil

Replies: 2
Views: 49,666

August 22, 2017, 12:59:28 PM
by gil

Transmitting a wired telecom

Started by ghog2121

Replies: 0
Views: 45,395

October 14, 2017, 10:45:24 AM
by ghog2121

APRS and GPS

Started by Gambrinus

Replies: 9
Views: 49,840

September 22, 2012, 11:22:52 AM
by Jonas Parker

Echolink Tutorial

Started by Gambrinus

Replies: 7
Views: 55,916

January 23, 2013, 08:13:17 AM
by Rob_ma

Modified my Kenwood TS-430S, was about to sell it, not anymore!

Started by freax

Replies: 2
Views: 38,366

September 27, 2014, 03:48:02 PM
by gil

QRP AM Broadcast Transmitter Schematic, No Harmonics.

Started by freax

Replies: 1
Views: 35,271

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

Solar powered LED Floodlighting, What it looks like!

Started by freax

Replies: 1
Views: 34,039

September 30, 2014, 11:15:43 AM
by Luigi

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

Started by freax

Replies: 6
Views: 46,918

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

Calcium Carbide Mining Lamps for use as the ultimate Preppers lamp?

Started by freax

Replies: 9
Views: 72,911

March 03, 2015, 09:49:26 AM
by Lamewolf

Radio reapirman EU BASED

Started by EA3IAV

Replies: 1
Views: 67,283

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

Soldering on PCB - I Started Simple... Really Simple :)

Started by DogDidIt

Replies: 3
Views: 36,579

January 13, 2014, 01:02:40 PM
by gil

Digital modes for preparedness

Started by CroPrepper

Replies: 5
Views: 75,768

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