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
528 Views
Last post March 18, 2023, 0137 UTC
by redhat
0 Replies
664 Views
Last post March 08, 2023, 1217 UTC
by mike
1 Replies
570 Views
Last post March 07, 2023, 0411 UTC
by Pigmeat
0 Replies
550 Views
Last post March 06, 2023, 1537 UTC
by ChrisSmolinski
5 Replies
1048 Views
Last post March 06, 2023, 0229 UTC
by shadypyro
0 Replies
608 Views
Last post February 20, 2023, 2223 UTC
by mike
1 Replies
677 Views
Last post February 19, 2023, 1505 UTC
by Beerus Maximus
3 Replies
866 Views
Last post February 19, 2023, 1430 UTC
by ChrisSmolinski
0 Replies
553 Views
Last post February 11, 2023, 0451 UTC
by Cross the Rubicon
1 Replies
817 Views
Last post February 11, 2023, 0440 UTC
by Cross the Rubicon
0 Replies
711 Views
Last post February 02, 2023, 1357 UTC
by mike
0 Replies
536 Views
Last post February 02, 2023, 1212 UTC
by mike
0 Replies
567 Views
Last post February 01, 2023, 1753 UTC
by mike
0 Replies
538 Views
Last post February 01, 2023, 1216 UTC
by mike
1 Replies
637 Views
Last post January 29, 2023, 2055 UTC
by Shortwave_Listener
0 Replies
632 Views
Last post January 19, 2023, 1245 UTC
by mike
0 Replies
612 Views
Last post January 12, 2023, 2143 UTC
by ~SIGINT~
0 Replies
558 Views
Last post January 07, 2023, 2337 UTC
by webqaz
1 Replies
739 Views
Last post January 05, 2023, 0005 UTC
by Shortwave_Listener
0 Replies
542 Views
Last post January 04, 2023, 0049 UTC
by ~SIGINT~

 

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