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
419 Views
Last post July 22, 2022, 1505 UTC
by skeezix
0 Replies
570 Views
Last post July 23, 2018, 0005 UTC
by skeezix
0 Replies
543 Views
Last post July 23, 2020, 1728 UTC
by skeezix
0 Replies
489 Views
Last post July 23, 2021, 1418 UTC
by skeezix
0 Replies
423 Views
Last post July 23, 2022, 1421 UTC
by skeezix
0 Replies
535 Views
Last post July 23, 2023, 2152 UTC
by skeezix
0 Replies
548 Views
Last post July 24, 2018, 0004 UTC
by skeezix
0 Replies
593 Views
Last post July 24, 2020, 1436 UTC
by skeezix
0 Replies
467 Views
Last post July 24, 2021, 1525 UTC
by skeezix
0 Replies
449 Views
Last post July 24, 2022, 2142 UTC
by skeezix
0 Replies
520 Views
Last post July 24, 2023, 1318 UTC
by skeezix
0 Replies
570 Views
Last post July 25, 2018, 0001 UTC
by skeezix
0 Replies
500 Views
Last post July 25, 2020, 1255 UTC
by skeezix
0 Replies
552 Views
Last post July 25, 2021, 1655 UTC
by skeezix
0 Replies
469 Views
Last post July 25, 2022, 1547 UTC
by skeezix
0 Replies
537 Views
Last post July 25, 2023, 1321 UTC
by skeezix
0 Replies
1061 Views
Last post July 25, 2025, 1325 UTC
by skeezix
0 Replies
538 Views
Last post July 26, 2018, 0011 UTC
by skeezix
0 Replies
509 Views
Last post July 26, 2020, 1350 UTC
by skeezix
0 Replies
443 Views
Last post July 26, 2021, 1356 UTC
by skeezix

 

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