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
2165 Views
Last post December 05, 2012, 1805 UTC
by ChrisSmolinski
2 Replies
2989 Views
Last post August 26, 2009, 1753 UTC
by ChrisSmolinski
3 Replies
2377 Views
Last post January 09, 2016, 1356 UTC
by Token
0 Replies
2686 Views
Last post September 19, 2009, 1055 UTC
by ChrisSmolinski
0 Replies
1380 Views
Last post November 13, 2019, 1144 UTC
by ChrisSmolinski
5 Replies
2398 Views
Last post December 24, 2017, 2037 UTC
by tesla
1 Replies
2043 Views
Last post September 01, 2015, 1034 UTC
by ChrisSmolinski
7 Replies
3380 Views
Last post February 11, 2019, 1039 UTC
by ChrisSmolinski
0 Replies
1474 Views
Last post March 12, 2013, 2247 UTC
by ChrisSmolinski
1 Replies
1715 Views
Last post April 05, 2016, 0031 UTC
by Teotwaki
1 Replies
2349 Views
Last post October 11, 2009, 1346 UTC
by beaconman
3 Replies
2007 Views
Last post October 25, 2016, 0658 UTC
by Looking-Glass
0 Replies
1564 Views
Last post June 04, 2021, 1306 UTC
by ChrisSmolinski
1 Replies
1630 Views
Last post December 13, 2016, 0347 UTC
by tesla
0 Replies
1424 Views
Last post December 01, 2017, 2029 UTC
by ChrisSmolinski
13 Replies
6200 Views
Last post December 07, 2012, 1605 UTC
by sat_dxer
1 Replies
2756 Views
Last post August 26, 2009, 2310 UTC
by beaconman
3 Replies
2735 Views
Last post February 03, 2019, 1237 UTC
by ChrisSmolinski
2 Replies
1654 Views
Last post April 05, 2016, 1406 UTC
by ChrisSmolinski
3 Replies
2174 Views
Last post September 26, 2016, 2141 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