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
656 Views
Last post October 10, 2021, 1458 UTC
by R4002
1 Replies
655 Views
Last post January 29, 2023, 1729 UTC
by manfred
0 Replies
653 Views
Last post February 09, 2023, 1231 UTC
by RobRich
0 Replies
652 Views
Last post October 10, 2023, 1955 UTC
by IrvingtonVFD43
0 Replies
649 Views
Last post October 08, 2023, 1804 UTC
by UtilitySeattle
0 Replies
649 Views
Last post March 13, 2022, 1630 UTC
by ChrisSmolinski
0 Replies
649 Views
Last post October 26, 2022, 1435 UTC
by R4002
0 Replies
648 Views
Last post October 14, 2022, 1657 UTC
by R4002
0 Replies
648 Views
Last post April 07, 2023, 0017 UTC
by UtilitySeattle
2 Replies
648 Views
Last post March 19, 2023, 1714 UTC
by HF DXER
0 Replies
648 Views
Last post January 16, 2022, 1309 UTC
by ChrisSmolinski
0 Replies
647 Views
Last post April 27, 2022, 1709 UTC
by Mad Radio DXer UK
0 Replies
647 Views
Last post February 03, 2022, 1642 UTC
by hammarhead
0 Replies
646 Views
Last post November 11, 2021, 1903 UTC
by ZFT
0 Replies
646 Views
Last post October 25, 2021, 2217 UTC
by R4002
0 Replies
645 Views
Last post October 30, 2021, 1811 UTC
by ThaDood
0 Replies
644 Views
Last post February 13, 2023, 1814 UTC
by R4002
26.540 LSB

Started by HF DXER

1 Replies
643 Views
Last post January 12, 2023, 1204 UTC
by R4002
0 Replies
638 Views
Last post June 24, 2022, 1248 UTC
by R4002
2 Replies
638 Views
Last post January 31, 2024, 2324 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