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
903 Views
Last post December 06, 2015, 2305 UTC
by refmo
0 Replies
428 Views
Last post May 30, 2021, 1936 UTC
by ChrisSmolinski
0 Replies
1330 Views
Last post February 12, 2011, 1414 UTC
by ChrisSmolinski
1 Replies
741 Views
Last post November 24, 2019, 2111 UTC
by Ray Lalleu
12 Replies
1066 Views
Last post February 28, 2023, 2350 UTC
by hammarhead
0 Replies
209 Views
Last post May 01, 2025, 1309 UTC
by ChrisSmolinski
11 Replies
1583 Views
Last post June 25, 2019, 2130 UTC
by Ct Yankee
14 Replies
3047 Views
Last post August 05, 2014, 0342 UTC
by blw
0 Replies
648 Views
Last post November 23, 2017, 2129 UTC
by ChrisSmolinski
9 Replies
1862 Views
Last post January 22, 2013, 0058 UTC
by Beerus Maximus
4 Replies
1346 Views
Last post August 25, 2018, 2356 UTC
by Pigmeat
4 Replies
2277 Views
Last post June 24, 2016, 1401 UTC
by jFarley
4 Replies
1578 Views
Last post October 20, 2013, 1758 UTC
by cupid radio
6 Replies
2412 Views
Last post March 27, 2017, 1723 UTC
by aurora
7 Replies
2330 Views
Last post March 25, 2012, 1851 UTC
by zackers
6 Replies
1254 Views
Last post July 04, 2017, 2220 UTC
by slowtrain
14 Replies
4941 Views
Last post December 26, 2014, 0235 UTC
by ByteBORG
1 Replies
868 Views
Last post July 29, 2012, 1444 UTC
by jFarley
19 Replies
1269 Views
Last post March 31, 2025, 2008 UTC
by NQC
4 Replies
1037 Views
Last post March 18, 2018, 2158 UTC
by DimBulb

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground T-Shirt
by MitchellTimeDesigns