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
610 Views
Last post December 03, 2016, 1710 UTC
by ChrisSmolinski
0 Replies
1272 Views
Last post March 29, 2015, 0711 UTC
by RobRich
0 Replies
778 Views
Last post April 13, 2013, 1505 UTC
by ChrisSmolinski
0 Replies
573 Views
Last post January 14, 2022, 0305 UTC
by IQ_imbalance
0 Replies
535 Views
Last post January 09, 2022, 1309 UTC
by Andrew Yoder
0 Replies
783 Views
Last post May 07, 2014, 1309 UTC
by ChrisSmolinski
0 Replies
514 Views
Last post December 22, 2021, 0039 UTC
by Molvania Poacher
0 Replies
1243 Views
Last post April 15, 2015, 1228 UTC
by ChrisSmolinski
0 Replies
948 Views
Last post June 01, 2013, 1633 UTC
by ChrisSmolinski
0 Replies
306 Views
Last post September 16, 2023, 1228 UTC
by ChrisSmolinski
0 Replies
567 Views
Last post November 06, 2021, 2105 UTC
by bubblova
0 Replies
353 Views
Last post November 02, 2022, 1731 UTC
by ChrisSmolinski
0 Replies
759 Views
Last post July 13, 2013, 2222 UTC
by ChrisSmolinski
0 Replies
944 Views
Last post April 14, 2013, 0227 UTC
by LighthouseOhio
0 Replies
718 Views
Last post November 08, 2016, 2204 UTC
by PirateSWL
0 Replies
587 Views
Last post March 01, 2022, 0227 UTC
by refmo
0 Replies
649 Views
Last post March 20, 2022, 1537 UTC
by Sealord
0 Replies
464 Views
Last post March 04, 2022, 2335 UTC
by MDK2
0 Replies
958 Views
Last post November 16, 2016, 1428 UTC
by ChrisSmolinski
0 Replies
382 Views
Last post July 13, 2022, 1826 UTC
by Shortwave_Listener

 

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