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
538 Views
Last post November 11, 2021, 1903 UTC
by ZFT
0 Replies
500 Views
Last post July 13, 2022, 1146 UTC
by R4002
0 Replies
514 Views
Last post June 17, 2022, 1258 UTC
by R4002
0 Replies
461 Views
Last post June 16, 2022, 2321 UTC
by vlf2hf
0 Replies
482 Views
Last post January 01, 2023, 2211 UTC
by ButchKidd
0 Replies
2377 Views
Last post July 18, 2019, 2117 UTC
by R4002
0 Replies
2387 Views
Last post July 18, 2019, 2114 UTC
by R4002
0 Replies
630 Views
Last post October 08, 2022, 1705 UTC
by ChrisSmolinski
0 Replies
2415 Views
Last post July 12, 2019, 1756 UTC
by R4002
0 Replies
40 Views
Last post Today at 22:29
by HF DXER
0 Replies
2267 Views
Last post July 10, 2019, 2103 UTC
by R4002
0 Replies
1988 Views
Last post July 10, 2019, 2058 UTC
by R4002
0 Replies
1401 Views
Last post July 09, 2019, 1711 UTC
by R4002
0 Replies
1290 Views
Last post July 09, 2019, 1654 UTC
by R4002
0 Replies
467 Views
Last post August 15, 2022, 2015 UTC
by ThaDood
0 Replies
754 Views
Last post December 13, 2020, 2028 UTC
by ThaDood
0 Replies
1458 Views
Last post July 05, 2019, 1408 UTC
by R4002
0 Replies
1291 Views
Last post July 05, 2019, 1403 UTC
by R4002
0 Replies
1037 Views
Last post July 03, 2019, 1838 UTC
by refmo
0 Replies
468 Views
Last post June 12, 2022, 0902 UTC
by RobRich

 

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