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
2 Replies
2082 Views
Last post January 05, 2016, 2013 UTC
by ff
0 Replies
1532 Views
Last post February 23, 2016, 1918 UTC
by ChrisSmolinski
1 Replies
3292 Views
Last post May 25, 2009, 1227 UTC
by beaconman
1 Replies
2300 Views
Last post October 11, 2009, 1346 UTC
by beaconman
0 Replies
2192 Views
Last post October 05, 2010, 1125 UTC
by ChrisSmolinski
1 Replies
1824 Views
Last post January 10, 2016, 2235 UTC
by syfr
3 Replies
3117 Views
Last post August 16, 2009, 2157 UTC
by beaconman
some HF beacons

Started by chucks

7 Replies
4855 Views
Last post October 01, 2010, 1120 UTC
by weaksigs
Some loggings from Colorado

Started by beaconman

3 Replies
3509 Views
Last post September 11, 2009, 1512 UTC
by beaconman
11 Replies
6610 Views
Last post November 27, 2021, 1636 UTC
by Teotwaki
1 Replies
5708 Views
Last post March 19, 2009, 2108 UTC
by beaconman
0 Replies
1592 Views
Last post May 25, 2014, 1738 UTC
by Teotwaki
1 Replies
4996 Views
Last post November 07, 2009, 1355 UTC
by beaconman
0 Replies
1173 Views
Last post November 23, 2016, 1120 UTC
by ChrisSmolinski
0 Replies
1251 Views
Last post November 28, 2016, 1125 UTC
by ChrisSmolinski
0 Replies
2275 Views
Last post October 21, 2010, 2331 UTC
by chucks
5 Replies
3464 Views
Last post February 06, 2021, 1822 UTC
by DYGradio
1 Replies
2257 Views
Last post July 15, 2022, 2235 UTC
by Rob.
1 Replies
2850 Views
Last post August 08, 2009, 1545 UTC
by beaconman
2 Replies
2272 Views
Last post January 09, 2015, 0359 UTC
by weaksigs

 

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