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
11 Replies
2072 Views
Last post February 05, 2018, 2110 UTC
by Traveling Wave
11 Replies
1298 Views
Last post April 30, 2022, 2259 UTC
by ChrisLobdel
11 Replies
1247 Views
Last post May 08, 2022, 2049 UTC
by ChrisSmolinski
11 Replies
2096 Views
Last post August 30, 2013, 1628 UTC
by ChrisSmolinski
11 Replies
1649 Views
Last post December 20, 2020, 0256 UTC
by refmo
11 Replies
1264 Views
Last post October 24, 2021, 0213 UTC
by Molvania Poacher
11 Replies
1352 Views
Last post June 28, 2024, 2320 UTC
by N2MLP
11 Replies
1614 Views
Last post August 11, 2019, 1156 UTC
by ChrisSmolinski
11 Replies
1916 Views
Last post November 29, 2020, 2129 UTC
by Treehouse SWL
11 Replies
1214 Views
Last post June 22, 2024, 2334 UTC
by Gary T
11 Replies
1208 Views
Last post February 24, 2024, 0238 UTC
by hsmith77
11 Replies
2068 Views
Last post November 29, 2020, 0511 UTC
by myteaquinn
11 Replies
1053 Views
Last post March 25, 2023, 0112 UTC
by dxwingr
11 Replies
1005 Views
Last post March 18, 2023, 2331 UTC
by Skipmuck
11 Replies
2231 Views
Last post July 06, 2015, 0034 UTC
by refmo
11 Replies
2869 Views
Last post August 21, 2013, 1351 UTC
by ChrisSmolinski
11 Replies
1120 Views
Last post March 21, 2023, 2012 UTC
by Shortwave_Listener
11 Replies
2043 Views
Last post February 22, 2016, 2336 UTC
by Ray Lalleu
11 Replies
1766 Views
Last post July 13, 2019, 1313 UTC
by ChrisSmolinski
11 Replies
1612 Views
Last post February 03, 2018, 0014 UTC
by JohnS

 

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