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
7 Replies
1530 Views
Last post May 24, 2020, 0342 UTC
by myteaquinn
7 Replies
2616 Views
Last post October 26, 2015, 1532 UTC
by ChrisSmolinski
7 Replies
3901 Views
Last post February 06, 2015, 1501 UTC
by jFarley
7 Replies
2470 Views
Last post July 06, 2024, 1254 UTC
by ChrisSmolinski
7 Replies
2356 Views
Last post February 01, 2015, 1533 UTC
by Kilokat7
7 Replies
1711 Views
Last post April 08, 2020, 0220 UTC
by myteaquinn
7 Replies
2194 Views
Last post January 28, 2015, 1259 UTC
by ChrisSmolinski
7 Replies
789 Views
Last post April 14, 2024, 0159 UTC
by shadypyro
7 Replies
1977 Views
Last post January 22, 2015, 0032 UTC
by jFarley
7 Replies
2419 Views
Last post September 22, 2018, 1844 UTC
by ChrisSmolinski
7 Replies
3605 Views
Last post January 14, 2015, 0236 UTC
by Rockpicker
7 Replies
2773 Views
Last post October 13, 2015, 0549 UTC
by Rafman
7 Replies
1017 Views
Last post June 19, 2024, 0229 UTC
by N2MLP
7 Replies
1367 Views
Last post May 10, 2020, 0348 UTC
by n4mxzimbabwe
7 Replies
2336 Views
Last post January 05, 2015, 0039 UTC
by Fuse
7 Replies
3402 Views
Last post January 04, 2015, 0216 UTC
by Dxcan
7 Replies
954 Views
Last post October 21, 2021, 2352 UTC
by myteaquinn
7 Replies
1031 Views
Last post October 20, 2021, 2317 UTC
by RobRich
7 Replies
1253 Views
Last post May 09, 2020, 0239 UTC
by Markokpik
7 Replies
1423 Views
Last post September 10, 2018, 2335 UTC
by PresentedIn4D

 

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