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
521 Views
Last post April 12, 2022, 1635 UTC
by Ray Lalleu
0 Replies
575 Views
Last post March 13, 2022, 1616 UTC
by Ray Lalleu
1 Replies
1461 Views
Last post July 18, 2017, 1258 UTC
by ChrisSmolinski
1 Replies
521 Views
Last post March 14, 2022, 2219 UTC
by kris
2 Replies
707 Views
Last post October 01, 2022, 1844 UTC
by Pigmeat
0 Replies
736 Views
Last post January 08, 2020, 1521 UTC
by Ray Lalleu
0 Replies
605 Views
Last post November 03, 2022, 2141 UTC
by Ray Lalleu
1 Replies
1166 Views
Last post September 02, 2018, 2142 UTC
by ChrisSmolinski
2 Replies
1353 Views
Last post July 01, 2018, 0017 UTC
by ralf_bender
0 Replies
1036 Views
Last post January 27, 2015, 2108 UTC
by Raider01
2 Replies
2130 Views
Last post April 18, 2015, 2350 UTC
by blw
0 Replies
1143 Views
Last post October 03, 2014, 1830 UTC
by Rafman
1 Replies
1266 Views
Last post December 30, 2014, 2330 UTC
by ChrisSmolinski
1 Replies
1105 Views
Last post December 07, 2015, 0256 UTC
by slowtrain
1 Replies
1184 Views
Last post April 18, 2016, 1120 UTC
by ChrisSmolinski
1 Replies
1020 Views
Last post December 20, 2015, 1605 UTC
by ChrisSmolinski
9 Replies
2638 Views
Last post September 14, 2014, 0111 UTC
by ChrisSmolinski
2 Replies
1493 Views
Last post August 28, 2015, 0228 UTC
by Rafman
5 Replies
5499 Views
Last post January 08, 2015, 1811 UTC
by DeltaCharlie
8 Replies
2337 Views
Last post April 19, 2016, 1358 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