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
16 Replies
17545 Views
Last post December 31, 2019, 1409 UTC
by R4002
0 Replies
6342 Views
Last post April 15, 2017, 0413 UTC
by R4002
0 Replies
537 Views
Last post October 15, 2018, 2209 UTC
by R4002
0 Replies
825 Views
Last post September 27, 2021, 1602 UTC
by ChrisSmolinski
1 Replies
202 Views
Last post April 02, 2024, 1434 UTC
by Shortwave_Listener
0 Replies
579 Views
Last post August 15, 2023, 1018 UTC
by KandiKlover
2 Replies
774 Views
Last post September 29, 2022, 1338 UTC
by Pigmeat
0 Replies
711 Views
Last post October 24, 2017, 2309 UTC
by R4002
0 Replies
830 Views
Last post June 20, 2022, 1834 UTC
by ChrisSmolinski
0 Replies
437 Views
Last post December 19, 2022, 1338 UTC
by ChrisSmolinski
0 Replies
548 Views
Last post February 20, 2023, 2223 UTC
by mike
0 Replies
502 Views
Last post February 01, 2023, 1753 UTC
by mike
0 Replies
483 Views
Last post February 02, 2023, 1212 UTC
by mike
0 Replies
462 Views
Last post December 30, 2022, 1513 UTC
by mike
0 Replies
476 Views
Last post March 06, 2023, 1537 UTC
by ChrisSmolinski
0 Replies
650 Views
Last post February 02, 2023, 1357 UTC
by mike
0 Replies
510 Views
Last post December 30, 2022, 1417 UTC
by mike
0 Replies
432 Views
Last post December 19, 2022, 1345 UTC
by ChrisSmolinski
0 Replies
568 Views
Last post January 19, 2023, 1245 UTC
by mike
0 Replies
459 Views
Last post December 29, 2022, 1403 UTC
by mike

 

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