HFU HF Underground - Shortwave Pirate Radio Forums in North America and Around The World (And other stations that go bump in the night)
    New users are welcome! Please register for an account in order to post to the board.   Posting your logging here is the best way to get a QSL from a station. April 26, 2017, 1926 UTC *
Welcome, Guest. Please login or register.

Login with username, password and session length
News: You can access the HF Underground wiki here: http://www.hfunderground.com/wiki/Main_Page as well as the Radio Hobbyist technical blog

Click here for the: Pirate Radio IRC Chat Java Client

Also the EuroPirate Chat

Follow us on Twitter: https://twitter.com/HF__Underground
 
   Home   Help Search Login Register  
     RF ToolBox     
   Antenna design and electronics/electrical tool package     

Pages: [1] 2 3 ... 5
 
Subject Started by Replies Views Last post
11 meter / 27 MHz Beacon Project R4002 2 290 Last post April 21, 2017, 1829 UTC
by R4002
Stealth parrot repeater joczo 3 646 Last post April 04, 2017, 1228 UTC
by Stretchyman
Standing Inside a Broadcast Transmitter While it's ON! VK3BVW 1 206 Last post April 02, 2017, 1418 UTC
by Josh
Higher power design. « 1 2 » Stretchyman 20 4295 Last post March 17, 2017, 1023 UTC
by Stretchyman
New! 'Improved' Transmitter! Stretchyman 1 582 Last post March 08, 2017, 0857 UTC
by Stretchyman
TI Analog Engineer's Pocket Reference Terry 0 477 Last post February 15, 2017, 0202 UTC
by Terry
Someone had Corsair II AM TX experience? « 1 2 » netsmo62 17 2656 Last post January 24, 2017, 1318 UTC
by netsmo62
Project #4 - RTTY Beacon Zazzle 6 897 Last post January 17, 2017, 0919 UTC
by Zazzle
Help with an FM Jammer Beam Tetrode 2 709 Last post December 24, 2016, 1831 UTC
by Kage
New Complete V3 TX available soon! Stretchyman 3 1010 Last post December 06, 2016, 0648 UTC
by Stretchyman
Beacon Project "Common and Precious" (5W CW, 10.237,74MHz) « 1 2 3 4 » Zazzle 47 34414 Last post November 23, 2016, 1150 UTC
by Zazzle
Beacon Project #3 - 5W, 11m Band « 1 2 » Zazzle 21 11919 Last post November 23, 2016, 1130 UTC
by Zazzle
I have a problem with the LULU Mr.ArchVile 3 1001 Last post October 27, 2016, 1225 UTC
by Stretchyman
Dirty Phoenix Jr. (30W 40M AM TX) Zazzle 0 374 Last post October 21, 2016, 1702 UTC
by Zazzle
DIY OpAmp AM Modulator Zazzle 13 1962 Last post October 20, 2016, 1720 UTC
by Stretchyman
TA7642 AM radio chip ka1iic 5 919 Last post October 13, 2016, 1830 UTC
by ka1iic
How did I boost the Range of my Transmitter? Mr.ArchVile 3 669 Last post October 05, 2016, 1638 UTC
by Stretchyman
A legal limit am transmitter for 75/160 meters from WO1U redhat 3 1117 Last post September 29, 2016, 0839 UTC
by Stretchyman
The death of DIY receiver building (the loss of discrete baseband components) redhat 6 896 Last post September 29, 2016, 0649 UTC
by redhat
My homebrewed magnetic loop antenna MDK2 11 2590 Last post September 17, 2016, 1844 UTC
by JCMaxwell
Pages: [1] 2 3 ... 5
 

Topic you have posted in
Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)
Locked Topic
Sticky Topic
Poll
:  
Powered by MySQL Powered by PHP Powered by SMF 1.1.12 | SMF © 2006-2009, Simple Machines LLC Valid XHTML 1.0! Valid CSS!

We seek to document and log all radio transmissions, and do not encourage any radio operation or transmissions contrary to national or local regulations.

Privacy Policy