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
462 Views
Last post September 11, 2018, 1221 UTC
by ChrisSmolinski
10 Replies
2890 Views
Last post November 01, 2013, 0117 UTC
by RCCI
11 Replies
1583 Views
Last post October 18, 2019, 2208 UTC
by Ray Lalleu
1 Replies
1095 Views
Last post October 03, 2010, 1420 UTC
by RIVER RAT
0 Replies
327 Views
Last post June 18, 2022, 2219 UTC
by ChrisSmolinski
3 Replies
1290 Views
Last post February 01, 2016, 0124 UTC
by Yankee Charlie
1 Replies
396 Views
Last post December 20, 2023, 1853 UTC
by TRI International
2 Replies
716 Views
Last post July 10, 2018, 0027 UTC
by PirateSWL
7 Replies
1950 Views
Last post February 28, 2017, 2214 UTC
by Bones
2 Replies
1284 Views
Last post February 18, 2012, 2007 UTC
by ChrisLobdell
1 Replies
1690 Views
Last post May 13, 2016, 0004 UTC
by hsmith77
1 Replies
599 Views
Last post September 08, 2019, 2029 UTC
by PirateSWL
2 Replies
1153 Views
Last post November 27, 2014, 1713 UTC
by oly1959
1 Replies
632 Views
Last post December 10, 2018, 2205 UTC
by aurora
0 Replies
766 Views
Last post December 28, 2013, 1954 UTC
by ChrisSmolinski
0 Replies
429 Views
Last post January 19, 2020, 1331 UTC
by ChrisSmolinski
15 Replies
2386 Views
Last post February 01, 2021, 2350 UTC
by fpeconsultant
0 Replies
574 Views
Last post June 03, 2018, 2226 UTC
by ChrisSmolinski
1 Replies
897 Views
Last post March 29, 2016, 2058 UTC
by hsmith77
0 Replies
287 Views
Last post February 20, 2024, 1232 UTC
by ChrisSmolinski

 

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