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
14 Replies
2017 Views
Last post May 10, 2025, 0041 UTC
by Killercat
4 Replies
1500 Views
Last post May 10, 2025, 0034 UTC
by Skipmuck
8 Replies
942 Views
Last post May 10, 2025, 0018 UTC
by Professor
7 Replies
4810 Views
Last post May 09, 2025, 1302 UTC
by ChrisSmolinski
5 Replies
1315 Views
Last post May 09, 2025, 0416 UTC
by myteaquinn
4 Replies
996 Views
Last post May 09, 2025, 0356 UTC
by Molvania Poacher
5 Replies
1324 Views
Last post May 09, 2025, 0213 UTC
by Tony_Pavick
4 Replies
779 Views
Last post May 09, 2025, 0040 UTC
by Quasar
4 Replies
1181 Views
Last post May 09, 2025, 0039 UTC
by Quasar
11 Replies
1431 Views
Last post May 08, 2025, 2130 UTC
by Andrew Yoder
8 Replies
2546 Views
Last post May 08, 2025, 0527 UTC
by M R I
4 Replies
1282 Views
Last post May 08, 2025, 0351 UTC
by Professor
7 Replies
2116 Views
Last post May 08, 2025, 0108 UTC
by myteaquinn
4 Replies
998 Views
Last post May 07, 2025, 1231 UTC
by ChrisSmolinski
9 Replies
1232 Views
Last post May 07, 2025, 0050 UTC
by Sky Waves
18 Replies
1827 Views
Last post May 06, 2025, 0431 UTC
by sternradio666
3 Replies
824 Views
Last post May 06, 2025, 0405 UTC
by canswl
3 Replies
1440 Views
Last post May 06, 2025, 0220 UTC
by John Poet
8 Replies
1138 Views
Last post May 06, 2025, 0208 UTC
by John Poet
5 Replies
737 Views
Last post May 06, 2025, 0207 UTC
by hflstnr

 

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