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
5 Replies
3134 Views
Last post March 20, 2017, 1157 UTC
by ChrisSmolinski
0 Replies
477 Views
Last post December 31, 2023, 1458 UTC
by Skipmuck
11 Replies
1668 Views
Last post August 10, 2020, 0020 UTC
by myteaquinn
11 Replies
4069 Views
Last post February 04, 2015, 0315 UTC
by RCCI
4 Replies
762 Views
Last post February 07, 2024, 2355 UTC
by William Hassig
0 Replies
252 Views
Last post March 19, 2023, 2311 UTC
by Skipmuck
6 Replies
857 Views
Last post August 27, 2022, 1220 UTC
by Pravotorov
4 Replies
877 Views
Last post November 11, 2023, 2339 UTC
by Molvania Poacher
5 Replies
642 Views
Last post October 07, 2022, 2251 UTC
by Shortwave_Listener
21 Replies
2307 Views
Last post October 31, 2020, 2255 UTC
by Arnold Layne
4 Replies
1046 Views
Last post July 03, 2017, 0115 UTC
by Pigmeat
4 Replies
846 Views
Last post November 07, 2022, 0309 UTC
by Shortwave_Listener
1 Replies
393 Views
Last post October 10, 2024, 0217 UTC
by TheHappyWanker
4 Replies
1895 Views
Last post August 02, 2014, 0247 UTC
by blw
4 Replies
1217 Views
Last post January 08, 2017, 1328 UTC
by Ct Yankee
4 Replies
604 Views
Last post March 24, 2023, 2158 UTC
by Bali_Frank
0 Replies
460 Views
Last post August 30, 2022, 0242 UTC
by Skipmuck
0 Replies
375 Views
Last post November 17, 2023, 2212 UTC
by Skipmuck
10 Replies
1994 Views
Last post February 18, 2017, 1710 UTC
by ChrisSmolinski
0 Replies
435 Views
Last post December 16, 2021, 1234 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