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
224 Views
Last post December 09, 2023, 1656 UTC
by ChrisSmolinski
0 Replies
758 Views
Last post April 23, 2021, 1151 UTC
by ChrisSmolinski
0 Replies
166 Views
Last post February 24, 2024, 1255 UTC
by ChrisSmolinski
0 Replies
756 Views
Last post June 22, 2021, 2345 UTC
by ChrisSmolinski
0 Replies
301 Views
Last post December 11, 2023, 1242 UTC
by ChrisSmolinski
2 Replies
910 Views
Last post January 15, 2024, 1344 UTC
by ChrisSmolinski
0 Replies
594 Views
Last post February 06, 2023, 0216 UTC
by DX Pete
7 Replies
905 Views
Last post February 20, 2023, 1323 UTC
by ChrisSmolinski
0 Replies
223 Views
Last post December 05, 2023, 1421 UTC
by ChrisSmolinski
1 Replies
1005 Views
Last post July 04, 2021, 1202 UTC
by ChrisSmolinski
0 Replies
669 Views
Last post February 16, 2021, 1255 UTC
by ChrisSmolinski
0 Replies
486 Views
Last post February 18, 2023, 0226 UTC
by DX Pete
3 Replies
1087 Views
Last post January 09, 2023, 0259 UTC
by DX Pete
0 Replies
795 Views
Last post March 06, 2023, 0325 UTC
by DX Pete
1 Replies
776 Views
Last post January 16, 2023, 1551 UTC
by DX Pete
1 Replies
325 Views
Last post March 04, 2024, 1245 UTC
by ChrisSmolinski
5 Replies
1474 Views
Last post December 25, 2020, 2327 UTC
by ThaDood
2 Replies
941 Views
Last post November 07, 2022, 0439 UTC
by Shortwave_Listener
0 Replies
833 Views
Last post August 30, 2021, 1301 UTC
by ChrisSmolinski
0 Replies
840 Views
Last post December 25, 2021, 0501 UTC
by Saul

 

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