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
1 Replies
597 Views
Last post October 12, 2020, 1952 UTC
by ChrisLobdell
0 Replies
559 Views
Last post June 10, 2017, 2344 UTC
by ChrisSmolinski
0 Replies
691 Views
Last post October 10, 2016, 1612 UTC
by ChrisSmolinski
2 Replies
783 Views
Last post December 14, 2018, 2303 UTC
by Treehouse SWL
17 Replies
1572 Views
Last post August 24, 2023, 1550 UTC
by Ron Hunsicker
5 Replies
2007 Views
Last post October 18, 2015, 2312 UTC
by BigAl
2 Replies
864 Views
Last post October 25, 2017, 2210 UTC
by R4002
1 Replies
567 Views
Last post June 17, 2020, 2246 UTC
by myteaquinn
6 Replies
1091 Views
Last post March 04, 2017, 2326 UTC
by Dr. Strangelove
1 Replies
580 Views
Last post December 30, 2021, 2150 UTC
by redhat
1 Replies
534 Views
Last post September 14, 2024, 2044 UTC
by Nomadiq
1 Replies
1538 Views
Last post February 01, 2009, 2130 UTC
by ChrisSmolinski
1 Replies
1009 Views
Last post February 04, 2016, 0138 UTC
by R4002
1 Replies
1047 Views
Last post July 16, 2017, 1530 UTC
by PirateSWL
1 Replies
1123 Views
Last post February 11, 2014, 2042 UTC
by jFarley
6 Replies
1289 Views
Last post January 12, 2019, 2243 UTC
by Andrew Yoder
0 Replies
1100 Views
Last post September 05, 2009, 1924 UTC
by ChrisSmolinski
5 Replies
1043 Views
Last post July 05, 2019, 2138 UTC
by Skipmuck
9 Replies
1595 Views
Last post December 25, 2020, 0101 UTC
by Markokpik
6 Replies
4998 Views
Last post October 09, 2012, 1323 UTC
by Sealord

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns