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
25 Replies
2439 Views
Last post April 28, 2024, 1101 UTC
by wmrscotland
27 Replies
3369 Views
Last post January 13, 2024, 0147 UTC
by Shortwave_Listener
5 Replies
1039 Views
Last post October 28, 2023, 2100 UTC
by aurora
6 Replies
931 Views
Last post July 09, 2023, 1407 UTC
by ChrisSmolinski
15 Replies
3192 Views
Last post May 31, 2025, 2334 UTC
by Ron Hunsicker
0 Replies
216 Views
Last post July 04, 2025, 2239 UTC
by DangerKitty
15 Replies
1160 Views
Last post January 02, 2025, 0123 UTC
by Crater Eddie
13 Replies
759 Views
Last post August 03, 2025, 0110 UTC
by William Hassig
15 Replies
2488 Views
Last post October 30, 2023, 0406 UTC
by canswl
10 Replies
714 Views
Last post August 29, 2025, 0136 UTC
by Radiouser
4 Replies
1183 Views
Last post June 05, 2025, 0128 UTC
by J. Carlos Pérez Montero
14 Replies
1584 Views
Last post March 30, 2024, 0220 UTC
by Dr. Strangelove
6 Replies
929 Views
Last post September 14, 2024, 2026 UTC
by ChrisSmolinski
0 Replies
401 Views
Last post December 17, 2022, 2218 UTC
by DangerKitty
0 Replies
402 Views
Last post February 29, 2024, 2310 UTC
by DangerKitty
13 Replies
1430 Views
Last post March 15, 2025, 1836 UTC
by ChrisSmolinski
5 Replies
604 Views
Last post January 11, 2025, 0249 UTC
by N2MLP
9 Replies
702 Views
Last post August 10, 2025, 0140 UTC
by ChrisLobdell
38 Replies
3759 Views
Last post November 01, 2023, 1956 UTC
by wmrscotland
19 Replies
2392 Views
Last post March 06, 2024, 1243 UTC
by ChrisSmolinski

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground Mug
HFUnderground Mug
by MitchellTimeDesigns