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.

Pages: [1] 2 3 4 5 6 7 8 9 ... 70
Subject / Started by Last post
6 Replies
30588 Views 		Last post June 25, 2025, 1442 UTC
by fe8769
7 Replies
52287 Views 		Last post February 07, 2023, 0836 UTC
by Catflap
0 Replies
618 Views 		Last post October 11, 2025, 1335 UTC
by R4002
0 Replies
1519 Views 		Last post September 20, 2025, 1515 UTC
by N2MLP
0 Replies
1628 Views 		Last post September 07, 2025, 1432 UTC
by N2MLP
0 Replies
1253 Views 		Last post August 31, 2025, 1356 UTC
by N2MLP
0 Replies
2626 Views 		Last post August 13, 2025, 1603 UTC
by ThaDood
1 Replies
3101 Views 		Last post August 09, 2025, 1807 UTC
by ThaDood
0 Replies
1788 Views 		Last post June 21, 2025, 1327 UTC
by N2MLP
0 Replies
1594 Views 		Last post June 19, 2025, 1216 UTC
by N2MLP
2 Replies
5077 Views 		Last post June 01, 2025, 2128 UTC
by SkyWalker
0 Replies
1796 Views 		Last post June 01, 2025, 1722 UTC
by SkyWalker
0 Replies
1891 Views 		Last post June 01, 2025, 1506 UTC
by N2MLP
0 Replies
1959 Views 		Last post May 31, 2025, 1750 UTC
by SkyWalker
0 Replies
2536 Views 		Last post May 17, 2025, 1617 UTC
by N2MLP
0 Replies
2381 Views 		Last post April 24, 2025, 1625 UTC
by R4002
0 Replies
3212 Views 		Last post April 09, 2025, 1317 UTC
by R4002
0 Replies
2063 Views 		Last post April 06, 2025, 1623 UTC
by N2MLP
0 Replies
2089 Views 		Last post April 06, 2025, 1620 UTC
by N2MLP
0 Replies
1939 Views 		Last post April 06, 2025, 1515 UTC
by N2MLP
Pages: [1] 2 3 4 5 6 7 8 9 ... 70

 

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