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
1160 Views
Last post August 31, 2013, 1547 UTC
by ChrisSmolinski
5 Replies
2589 Views
Last post September 23, 2012, 1754 UTC
by Beerus Maximus
0 Replies
860 Views
Last post May 10, 2015, 2252 UTC
by ChrisSmolinski
6 Replies
959 Views
Last post July 04, 2021, 0043 UTC
by bamaDX
3 Replies
1665 Views
Last post October 12, 2013, 2330 UTC
by Trans_Europe
13 Replies
3490 Views
Last post March 21, 2016, 2358 UTC
by Davep
0 Replies
894 Views
Last post June 28, 2014, 0006 UTC
by ChrisSmolinski
0 Replies
691 Views
Last post December 02, 2016, 2125 UTC
by ChrisSmolinski
1 Replies
514 Views
Last post September 11, 2023, 1354 UTC
by flexoman61
1 Replies
463 Views
Last post February 11, 2025, 2207 UTC
by Sealord
1 Replies
1681 Views
Last post December 02, 2012, 1531 UTC
by ChrisSmolinski
1 Replies
1709 Views
Last post June 25, 2015, 1857 UTC
by Swede P
4 Replies
777 Views
Last post August 10, 2019, 0010 UTC
by dandan22
4 Replies
2528 Views
Last post November 17, 2013, 0108 UTC
by Tuco
1 Replies
977 Views
Last post August 01, 2014, 2345 UTC
by Skipmuck
0 Replies
955 Views
Last post December 05, 2014, 2331 UTC
by ChrisSmolinski
2 Replies
1221 Views
Last post August 16, 2014, 2304 UTC
by Skipmuck
1 Replies
435 Views
Last post October 20, 2018, 2150 UTC
by Ray Lalleu
0 Replies
990 Views
Last post December 29, 2014, 2341 UTC
by ChrisSmolinski
0 Replies
1210 Views
Last post February 09, 2013, 1454 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