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
1213 Views
Last post February 23, 2013, 2335 UTC
by Andrew Yoder
7 Replies
2900 Views
Last post December 22, 2013, 1649 UTC
by cupid radio
3 Replies
1855 Views
Last post August 09, 2015, 2342 UTC
by Jari Finland
1 Replies
1315 Views
Last post August 05, 2014, 0746 UTC
by tvdxrools
0 Replies
1275 Views
Last post December 04, 2013, 2121 UTC
by ChrisSmolinski
2 Replies
805 Views
Last post August 18, 2017, 2249 UTC
by ChrisSmolinski
0 Replies
710 Views
Last post November 22, 2014, 1528 UTC
by ChrisSmolinski
2 Replies
750 Views
Last post August 18, 2018, 2255 UTC
by PirateSWL
3 Replies
785 Views
Last post April 14, 2017, 2236 UTC
by Skipmuck
1 Replies
1000 Views
Last post November 02, 2013, 2321 UTC
by Echo_One
0 Replies
262 Views
Last post February 18, 2019, 2206 UTC
by ChrisSmolinski
4 Replies
1630 Views
Last post May 17, 2015, 2252 UTC
by myteaquinn
1 Replies
1324 Views
Last post October 20, 2012, 1431 UTC
by Mike Radio
3 Replies
879 Views
Last post August 05, 2017, 2324 UTC
by JoeFLIPS
2 Replies
1033 Views
Last post May 10, 2014, 2357 UTC
by Essay
9 Replies
3070 Views
Last post September 21, 2013, 2139 UTC
by Kilokat7
3 Replies
577 Views
Last post March 30, 2018, 0004 UTC
by Davep
0 Replies
1184 Views
Last post August 27, 2012, 2304 UTC
by ChrisSmolinski
1 Replies
835 Views
Last post October 22, 2014, 2257 UTC
by Rafman
4 Replies
1639 Views
Last post March 17, 2017, 2345 UTC
by flexoman61

 

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