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
9 Replies
1206 Views
Last post October 25, 2024, 1743 UTC
by Ron Hunsicker
1 Replies
569 Views
Last post October 25, 2024, 1750 UTC
by Shortwave_Listener
1 Replies
423 Views
Last post October 25, 2024, 1827 UTC
by Ct Yankee
0 Replies
374 Views
Last post October 25, 2024, 1845 UTC
by ChrisSmolinski
1 Replies
601 Views
Last post October 25, 2024, 2005 UTC
by Ct Yankee
6 Replies
963 Views
Last post October 25, 2024, 2208 UTC
by jerseyjoe83
23 Replies
2733 Views
Last post October 26, 2024, 0022 UTC
by elburndx
0 Replies
452 Views
Last post October 26, 2024, 0051 UTC
by Skipmuck
5 Replies
638 Views
Last post October 26, 2024, 0159 UTC
by N2MLP
18 Replies
1501 Views
Last post October 26, 2024, 0224 UTC
by flexoman61
17 Replies
1644 Views
Last post October 26, 2024, 0231 UTC
by jerseyjoe83
27 Replies
2644 Views
Last post October 26, 2024, 0243 UTC
by boston_strangler
7 Replies
1025 Views
Last post October 26, 2024, 0248 UTC
by Professor
7 Replies
996 Views
Last post October 26, 2024, 0324 UTC
by Joker
0 Replies
396 Views
Last post October 26, 2024, 1408 UTC
by ChrisSmolinski
0 Replies
378 Views
Last post October 26, 2024, 1412 UTC
by ChrisSmolinski
1 Replies
642 Views
Last post October 26, 2024, 1417 UTC
by Nomadiq
3 Replies
681 Views
Last post October 26, 2024, 1857 UTC
by ChrisSmolinski
2 Replies
655 Views
Last post October 26, 2024, 2120 UTC
by Kestrel
3 Replies
689 Views
Last post October 26, 2024, 2224 UTC
by Sealord

 

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