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
3 Replies
1282 Views
Last post September 11, 2013, 0903 UTC
by Pigmeat
Calibrated receive frequency

Started by Matt285

8 Replies
1896 Views
Last post December 21, 2019, 2200 UTC
by Brian
8 Replies
1785 Views
Last post July 13, 2019, 0328 UTC
by Pigmeat
1 Replies
869 Views
Last post December 19, 2016, 1821 UTC
by jFarley
0 Replies
1093 Views
Last post June 16, 2016, 2111 UTC
by loul
11 Replies
3088 Views
Last post July 24, 2022, 0606 UTC
by corq
1 Replies
3766 Views
Last post November 26, 2013, 0453 UTC
by Capt. Radio
0 Replies
1385 Views
Last post October 11, 2012, 1029 UTC
by Fansome
3 Replies
1823 Views
Last post October 15, 2014, 1734 UTC
by Fansome
3 Replies
1797 Views
Last post November 23, 2013, 1746 UTC
by Antennae
11 Replies
5214 Views
Last post November 04, 2012, 0249 UTC
by skeezix
1 Replies
1181 Views
Last post May 02, 2017, 1622 UTC
by Josh
3 Replies
1551 Views
Last post April 22, 2017, 0046 UTC
by Terry
Capt Morgan off air

Started by Newfoundland DXer

0 Replies
1628 Views
Last post May 27, 2011, 0157 UTC
by Newfoundland DXer
Captain Beefheart

Started by Fansome

4 Replies
2462 Views
Last post December 21, 2010, 1209 UTC
by Fansome
0 Replies
1039 Views
Last post March 19, 2018, 1547 UTC
by ThaDood
0 Replies
1701 Views
Last post January 25, 2012, 2158 UTC
by jFarley
2 Replies
1539 Views
Last post December 23, 2014, 2058 UTC
by hsmith77
4 Replies
2416 Views
Last post September 25, 2011, 1800 UTC
by Zane
Captain Ron, please come back!

Started by Fansome

0 Replies
1593 Views
Last post July 19, 2010, 0526 UTC
by Fansome

 

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