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
5 Replies
2003 Views
Last post February 05, 2012, 2328 UTC
by hammarhead
3 Replies
1270 Views
Last post January 13, 2018, 2220 UTC
by ChrisSmolinski
1 Replies
1199 Views
Last post March 11, 2017, 0218 UTC
by Yankee Charlie
12 Replies
6382 Views
Last post April 27, 2012, 2121 UTC
by MR. SHORTWAVE
12 Replies
3445 Views
Last post November 01, 2012, 1229 UTC
by Sealord
1 Replies
1142 Views
Last post March 31, 2013, 2054 UTC
by skeezix
1 Replies
904 Views
Last post January 07, 2016, 1733 UTC
by ChrisSmolinski
3 Replies
1441 Views
Last post June 10, 2018, 0115 UTC
by MrMomB
7 Replies
2187 Views
Last post December 24, 2016, 2116 UTC
by PirateSWL
12 Replies
3190 Views
Last post February 12, 2013, 1253 UTC
by Sealord
11 Replies
3472 Views
Last post August 17, 2013, 1411 UTC
by ChrisSmolinski
3 Replies
1859 Views
Last post January 18, 2014, 1739 UTC
by ChrisSmolinski
3 Replies
1270 Views
Last post December 24, 2012, 2001 UTC
by ChrisLobdell
3 Replies
1484 Views
Last post October 31, 2018, 2330 UTC
by Dxcan
3 Replies
1449 Views
Last post July 04, 2012, 0133 UTC
by Danoman
1 Replies
1033 Views
Last post June 10, 2018, 1151 UTC
by ChrisSmolinski
1 Replies
1582 Views
Last post April 21, 2013, 0052 UTC
by ChrisSmolinski
7 Replies
2573 Views
Last post March 23, 2013, 1528 UTC
by ChrisSmolinski
11 Replies
3135 Views
Last post February 28, 2014, 1317 UTC
by ChrisSmolinski
16 Replies
6783 Views
Last post August 17, 2013, 2301 UTC
by Nella F.

 

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