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
2 Replies
1642 Views
Last post November 30, 2009, 0352 UTC
by Zoidberg
1 Replies
1226 Views
Last post December 24, 2010, 1920 UTC
by Beerus Maximus
1 Replies
1195 Views
Last post August 14, 2016, 1513 UTC
by ChrisSmolinski
0 Replies
1387 Views
Last post December 04, 2009, 2347 UTC
by maxicat
8 Replies
2368 Views
Last post May 29, 2012, 1349 UTC
by ChrisSmolinski
2 Replies
1600 Views
Last post January 14, 2012, 1140 UTC
by hammarhead
6 Replies
2192 Views
Last post June 02, 2012, 0141 UTC
by Beerus Maximus
1 Replies
1565 Views
Last post December 20, 2009, 1829 UTC
by ChrisSmolinski
Channel Z, 6950am

Started by Zane

0 Replies
1073 Views
Last post September 19, 2010, 0259 UTC
by Zane
Channel Z, 6950am

Started by Zane

2 Replies
1464 Views
Last post December 12, 2009, 2129 UTC
by Zoidberg
13 Replies
2620 Views
Last post April 23, 2025, 0126 UTC
by Sky Waves
15 Replies
997 Views
Last post April 14, 2025, 1152 UTC
by Radio Star
9 Replies
831 Views
Last post May 19, 2025, 1618 UTC
by Tony_Pavick
2 Replies
684 Views
Last post April 24, 2025, 1231 UTC
by Andrew Yoder
7 Replies
952 Views
Last post April 26, 2025, 0437 UTC
by shadypyro
10 Replies
1172 Views
Last post April 26, 2025, 0351 UTC
by Radiouser
11 Replies
734 Views
Last post April 27, 2025, 0402 UTC
by newmanm
2 Replies
673 Views
Last post August 31, 2020, 0136 UTC
by Molvania Poacher
2 Replies
761 Views
Last post July 12, 2020, 2302 UTC
by Ray Lalleu
4 Replies
1271 Views
Last post July 12, 2020, 1414 UTC
by Skipmuck

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns