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
11 Replies
1411 Views
Last post May 14, 2022, 2340 UTC
by Mophead
11 Replies
2209 Views
Last post April 14, 2022, 0058 UTC
by Charlie_Dont_Surf
11 Replies
1192 Views
Last post March 18, 2023, 2331 UTC
by Skipmuck
11 Replies
2408 Views
Last post November 29, 2020, 0511 UTC
by myteaquinn
11 Replies
2399 Views
Last post January 29, 2017, 2341 UTC
by Yankee Charlie
11 Replies
1453 Views
Last post May 08, 2022, 2049 UTC
by ChrisSmolinski
11 Replies
1465 Views
Last post March 15, 2022, 2350 UTC
by Josh
11 Replies
1366 Views
Last post June 08, 2024, 0053 UTC
by MrMomB
11 Replies
1360 Views
Last post June 03, 2024, 0220 UTC
by MrMomB
11 Replies
3025 Views
Last post August 21, 2013, 1351 UTC
by ChrisSmolinski
11 Replies
1483 Views
Last post May 01, 2022, 2159 UTC
by ~SIGINT~
11 Replies
1972 Views
Last post November 11, 2020, 0418 UTC
by John Poet
11 Replies
2547 Views
Last post February 21, 2016, 2106 UTC
by ChrisSmolinski
11 Replies
4052 Views
Last post January 22, 2017, 2041 UTC
by Rafman
11 Replies
1198 Views
Last post May 02, 2022, 0202 UTC
by Markokpik
11 Replies
1447 Views
Last post April 30, 2022, 2259 UTC
by ChrisLobdell
11 Replies
3054 Views
Last post August 18, 2013, 2106 UTC
by ChrisSmolinski
11 Replies
1531 Views
Last post April 18, 2022, 0026 UTC
by flexoman61
11 Replies
1950 Views
Last post July 13, 2019, 1313 UTC
by ChrisSmolinski
11 Replies
2243 Views
Last post November 02, 2020, 0001 UTC
by ✠ Blue Max

 

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