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
661 Views
Last post March 11, 2020, 1937 UTC
by ChrisSmolinski
0 Replies
571 Views
Last post March 17, 2018, 1243 UTC
by ChrisSmolinski
0 Replies
521 Views
Last post September 22, 2022, 1711 UTC
by ChrisSmolinski
0 Replies
1075 Views
Last post January 13, 2017, 1618 UTC
by ChrisSmolinski
1 Replies
723 Views
Last post January 04, 2019, 0222 UTC
by skeezix
0 Replies
526 Views
Last post February 24, 2020, 1749 UTC
by ChrisSmolinski
1 Replies
659 Views
Last post October 15, 2019, 1536 UTC
by ChrisSmolinski
0 Replies
607 Views
Last post March 03, 2018, 1504 UTC
by ChrisSmolinski
4 Replies
1468 Views
Last post December 07, 2020, 2018 UTC
by jFarley
0 Replies
829 Views
Last post April 22, 2017, 1555 UTC
by ChrisSmolinski
3 Replies
999 Views
Last post February 10, 2023, 2336 UTC
by skeezix
0 Replies
523 Views
Last post September 29, 2019, 1533 UTC
by ChrisSmolinski
0 Replies
660 Views
Last post February 18, 2018, 1324 UTC
by ChrisSmolinski
1 Replies
595 Views
Last post November 21, 2020, 1302 UTC
by ChrisSmolinski
0 Replies
959 Views
Last post April 06, 2017, 1356 UTC
by ChrisSmolinski
5 Replies
2221 Views
Last post December 20, 2016, 0035 UTC
by jFarley
0 Replies
699 Views
Last post November 27, 2018, 1308 UTC
by ChrisSmolinski
0 Replies
704 Views
Last post February 08, 2018, 1300 UTC
by ChrisSmolinski
0 Replies
546 Views
Last post November 05, 2020, 1214 UTC
by ChrisSmolinski
0 Replies
541 Views
Last post March 23, 2019, 1443 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 T-Shirt
by MitchellTimeDesigns