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
8 Replies
993 Views
Last post April 21, 2023, 0318 UTC
by CanolaGold
8 Replies
1367 Views
Last post October 08, 2020, 0054 UTC
by Treehouse SWL
8 Replies
2367 Views
Last post April 17, 2019, 0327 UTC
by Pigmeat
8 Replies
1297 Views
Last post March 07, 2022, 0019 UTC
by Radio Star
8 Replies
1199 Views
Last post October 05, 2020, 0130 UTC
by Andrew Yoder
8 Replies
2134 Views
Last post April 13, 2019, 2314 UTC
by 8 tattoos
8 Replies
1412 Views
Last post February 27, 2022, 0225 UTC
by Andrew Yoder
8 Replies
2285 Views
Last post December 07, 2013, 0101 UTC
by n0qlt
8 Replies
1433 Views
Last post October 04, 2020, 0008 UTC
by Chuck54
8 Replies
2542 Views
Last post April 07, 2019, 2300 UTC
by 8 tattoos
8 Replies
2133 Views
Last post April 07, 2019, 2334 UTC
by myteaquinn
8 Replies
2202 Views
Last post December 05, 2013, 1248 UTC
by ChrisSmolinski
8 Replies
2463 Views
Last post October 01, 2016, 1442 UTC
by ChrisSmolinski
8 Replies
978 Views
Last post April 16, 2023, 2217 UTC
by Pigmeat
8 Replies
2503 Views
Last post December 02, 2013, 0206 UTC
by Darint
8 Replies
1208 Views
Last post March 03, 2022, 0007 UTC
by Ron Hunsicker
8 Replies
3086 Views
Last post December 01, 2013, 0210 UTC
by Rafman
8 Replies
1286 Views
Last post February 26, 2022, 1632 UTC
by hammarhead
8 Replies
1291 Views
Last post March 02, 2022, 1850 UTC
by ~SIGINT~
8 Replies
1319 Views
Last post February 26, 2022, 2032 UTC
by UncleJohn

 

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