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
563 Views
Last post January 02, 2023, 0220 UTC
by Markokpik
20 Replies
1681 Views
Last post January 02, 2023, 0218 UTC
by Markokpik
24 Replies
2045 Views
Last post January 01, 2023, 2359 UTC
by Signal Hunter
28 Replies
2086 Views
Last post January 01, 2023, 2309 UTC
by caodwolf
8 Replies
794 Views
Last post January 01, 2023, 2212 UTC
by ChrisLobdell
22 Replies
1856 Views
Last post January 01, 2023, 2208 UTC
by William Hassig
9 Replies
1123 Views
Last post January 01, 2023, 1921 UTC
by FelixChapel
5 Replies
731 Views
Last post January 01, 2023, 1904 UTC
by Shortwave_Listener
1 Replies
488 Views
Last post January 01, 2023, 1814 UTC
by MDK2
55 Replies
5032 Views
Last post January 01, 2023, 0617 UTC
by Paul Turkk
13 Replies
1399 Views
Last post January 01, 2023, 0444 UTC
by Markokpik
2 Replies
420 Views
Last post January 01, 2023, 0412 UTC
by Shortwave_Listener
14 Replies
1357 Views
Last post January 01, 2023, 0346 UTC
by skyman
8 Replies
1082 Views
Last post January 01, 2023, 0330 UTC
by Bali_Frank
0 Replies
335 Views
Last post January 01, 2023, 0100 UTC
by DaveJV
12 Replies
1198 Views
Last post January 01, 2023, 0045 UTC
by Pigmeat
2 Replies
418 Views
Last post January 01, 2023, 0042 UTC
by myteaquinn
16 Replies
1344 Views
Last post January 01, 2023, 0039 UTC
by outhouse radio
12 Replies
1218 Views
Last post December 31, 2022, 2249 UTC
by Skipmuck
8 Replies
870 Views
Last post December 31, 2022, 2122 UTC
by ~SIGINT~

 

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