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
3 Replies
1038 Views
Last post May 08, 2019, 0019 UTC
by Big Badfish Al
0 Replies
583 Views
Last post October 06, 2017, 2101 UTC
by ChrisSmolinski
3 Replies
1341 Views
Last post December 09, 2012, 2017 UTC
by Sealord
0 Replies
683 Views
Last post February 28, 2021, 1835 UTC
by ChrisSmolinski
1 Replies
756 Views
Last post June 02, 2020, 2147 UTC
by Bali_Frank
0 Replies
445 Views
Last post September 06, 2025, 1636 UTC
by ChrisSmolinski
0 Replies
375 Views
Last post August 02, 2023, 2148 UTC
by ChrisSmolinski
3 Replies
1155 Views
Last post May 26, 2017, 1304 UTC
by ByteBORG
2 Replies
1286 Views
Last post September 18, 2016, 1510 UTC
by PirateSWL
0 Replies
1047 Views
Last post April 10, 2011, 2129 UTC
by ChrisSmolinski
8 Replies
2039 Views
Last post January 01, 2017, 0130 UTC
by Yankee Charlie
1 Replies
1148 Views
Last post December 17, 2011, 0056 UTC
by aurora
2 Replies
1307 Views
Last post April 21, 2017, 2204 UTC
by Rafman
1 Replies
1255 Views
Last post September 20, 2014, 0054 UTC
by rdla4
22 Replies
2168 Views
Last post November 29, 2022, 0153 UTC
by Sealord
1 Replies
1025 Views
Last post April 21, 2012, 2130 UTC
by hammarhead
5 Replies
855 Views
Last post February 19, 2023, 1442 UTC
by Dr. Strangelove
1 Replies
882 Views
Last post June 27, 2013, 2039 UTC
by jFarley
8 Replies
640 Views
Last post October 15, 2025, 2030 UTC
by sternradio666
2 Replies
950 Views
Last post January 26, 2019, 1915 UTC
by R4002

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground Mug
HFUnderground Mug
by MitchellTimeDesigns