We seek to understand and document all radio transmissions, legal and otherwise, as part of the radio listening hobby. We do not encourage any radio operations contrary to regulations. Always consult with the appropriate authorities if you have questions concerning what is permissible in your locale.

Subject / Started by Last post
4 Replies
1873 Views
Last post May 08, 2019, 0937 UTC
by Ray Lalleu
4 Replies
4865 Views
Last post March 15, 2018, 1959 UTC
by 8 tattoos
4 Replies
2122 Views
Last post February 02, 2018, 2006 UTC
by redhat
4 Replies
3791 Views
Last post February 01, 2018, 2114 UTC
by digitalmod
4 Replies
3386 Views
Last post January 28, 2018, 1719 UTC
by pulsartek
4 Replies
2210 Views
Last post January 07, 2018, 0310 UTC
by Strange Beacons
4 Replies
2033 Views
Last post July 26, 2020, 1347 UTC
by Ray Lalleu
4 Replies
2311 Views
Last post October 23, 2019, 0816 UTC
by jimbooregon
4 Replies
2583 Views
Last post October 18, 2019, 1601 UTC
by WWBR
4 Replies
6857 Views
Last post January 06, 2022, 0230 UTC
by RobRich
4 Replies
2082 Views
Last post July 03, 2020, 1907 UTC
by ThaDood
4 Replies
6720 Views
Last post August 05, 2017, 1911 UTC
by ChrisSmolinski
4 Replies
3278 Views
Last post June 08, 2017, 0836 UTC
by Looking-Glass
LZ1AQ amplifier kit

Started by Matt285

4 Replies
1703 Views
Last post December 26, 2019, 2203 UTC
by ChrisSmolinski
Discone antennas

Started by Matt285

4 Replies
2603 Views
Last post December 17, 2019, 2329 UTC
by chanito
4 Replies
2202 Views
Last post November 22, 2020, 2234 UTC
by Under30
4 Replies
4235 Views
Last post July 26, 2015, 0617 UTC
by BoomboxDX
4 Replies
4215 Views
Last post July 07, 2015, 1234 UTC
by ff
4 Replies
1756 Views
Last post January 11, 2022, 2238 UTC
by Josh
4 Replies
2092 Views
Last post October 13, 2019, 2156 UTC
by Josh

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground T-Shirt
by MitchellTimeDesigns