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
3053 Views
Last post January 06, 2013, 1413 UTC
by sat_dxer
1 Replies
1408 Views
Last post March 13, 2014, 2328 UTC
by SW Observer
2 Replies
1417 Views
Last post October 13, 2013, 1505 UTC
by Echo_One
0 Replies
1427 Views
Last post January 16, 2013, 0910 UTC
by glimmer twin
16 Replies
6195 Views
Last post April 14, 2021, 1402 UTC
by sat_dxer
3 Replies
2660 Views
Last post December 06, 2013, 2306 UTC
by ssfahrer
0 Replies
1485 Views
Last post January 23, 2013, 0732 UTC
by glimmer twin
7 Replies
6279 Views
Last post August 22, 2013, 1402 UTC
by Token
1 Replies
1570 Views
Last post January 26, 2013, 0012 UTC
by desmoface
2 Replies
2009 Views
Last post June 19, 2013, 0328 UTC
by pjennings
0 Replies
1524 Views
Last post March 19, 2013, 1630 UTC
by glimmer twin
5 Replies
4111 Views
Last post March 24, 2016, 1520 UTC
by sat_dxer
1 Replies
2345 Views
Last post February 26, 2014, 2056 UTC
by glimmer twin
0 Replies
1435 Views
Last post January 28, 2013, 2111 UTC
by glimmer twin
0 Replies
1335 Views
Last post December 22, 2013, 1722 UTC
by glimmer twin
0 Replies
1090 Views
Last post February 27, 2014, 0511 UTC
by glimmer twin
3 Replies
2004 Views
Last post July 15, 2013, 0123 UTC
by skeezix
0 Replies
1677 Views
Last post February 04, 2013, 2214 UTC
by glimmer twin
2 Replies
1471 Views
Last post July 20, 2013, 0339 UTC
by Chanter
0 Replies
5497 Views
Last post March 06, 2014, 1540 UTC
by glimmer twin

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns