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
0 Replies
1107 Views
Last post January 10, 2022, 2042 UTC
by Ron - Calif.
0 Replies
981 Views
Last post January 06, 2022, 1143 UTC
by Ron - Calif.
Korea

Started by Ron - Calif.

0 Replies
959 Views
Last post January 04, 2022, 0537 UTC
by Ron - Calif.
0 Replies
976 Views
Last post January 01, 2022, 1758 UTC
by fpeconsultant
0 Replies
983 Views
Last post December 29, 2021, 2326 UTC
by Ron - Calif.
Korea

Started by Ron - Calif.

1 Replies
1032 Views
Last post December 28, 2021, 1849 UTC
by fpeconsultant
0 Replies
1020 Views
Last post December 12, 2021, 2012 UTC
by prldx
2 Replies
1408 Views
Last post December 08, 2021, 0749 UTC
by prldx
3 Replies
1362 Views
Last post December 03, 2021, 0342 UTC
by Ron - Calif.
0 Replies
958 Views
Last post December 02, 2021, 1108 UTC
by Ron - Calif.
Korea

Started by Ron - Calif.

0 Replies
942 Views
Last post December 01, 2021, 0207 UTC
by Ron - Calif.
2 Replies
1292 Views
Last post November 24, 2021, 0303 UTC
by Ron - Calif.
3 Replies
1555 Views
Last post November 21, 2021, 0836 UTC
by prldx
Korea

Started by Ron - Calif.

0 Replies
924 Views
Last post November 18, 2021, 0310 UTC
by Ron - Calif.
0 Replies
1028 Views
Last post November 15, 2021, 2336 UTC
by fpeconsultant
6 Replies
1481 Views
Last post November 12, 2021, 2349 UTC
by UncleJohn
2 Replies
1247 Views
Last post November 11, 2021, 1421 UTC
by Ron - Calif.
3 Replies
1196 Views
Last post November 03, 2021, 2208 UTC
by ChrisSmolinski
0 Replies
929 Views
Last post November 03, 2021, 1103 UTC
by Ron - Calif.
1 Replies
1000 Views
Last post November 01, 2021, 2309 UTC
by ulx2

 

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