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
544 Views
Last post February 27, 2024, 2241 UTC
by Radio Star
0 Replies
455 Views
Last post February 28, 2024, 0030 UTC
by Sealord
16 Replies
2009 Views
Last post February 28, 2024, 0116 UTC
by Markokpik
0 Replies
384 Views
Last post February 28, 2024, 1302 UTC
by ChrisSmolinski
12 Replies
1718 Views
Last post February 29, 2024, 0155 UTC
by ~SIGINT~
4 Replies
690 Views
Last post February 29, 2024, 1953 UTC
by dxwingr
0 Replies
372 Views
Last post February 29, 2024, 2310 UTC
by DangerKitty
1 Replies
506 Views
Last post March 01, 2024, 0250 UTC
by canswl
11 Replies
1434 Views
Last post March 01, 2024, 1245 UTC
by ChrisSmolinski
15 Replies
1899 Views
Last post March 01, 2024, 1246 UTC
by ChrisSmolinski
14 Replies
1945 Views
Last post March 01, 2024, 1517 UTC
by Ron Hunsicker
7 Replies
1033 Views
Last post March 01, 2024, 2017 UTC
by osiris
9 Replies
1006 Views
Last post March 02, 2024, 0139 UTC
by Dr. Strangelove
23 Replies
2514 Views
Last post March 02, 2024, 0143 UTC
by Syck0
13 Replies
1240 Views
Last post March 02, 2024, 0144 UTC
by Sky Waves
5 Replies
572 Views
Last post March 02, 2024, 0251 UTC
by Sparkyzilla85
7 Replies
864 Views
Last post March 02, 2024, 0319 UTC
by Molvania Poacher
6 Replies
814 Views
Last post March 02, 2024, 0548 UTC
by radioguy73
5 Replies
808 Views
Last post March 02, 2024, 1430 UTC
by Radio Star
15 Replies
1170 Views
Last post March 02, 2024, 2213 UTC
by Carl

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns