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
1 Replies
592 Views
Last post December 14, 2022, 2329 UTC
by skeezix
1 Replies
1009 Views
Last post September 22, 2017, 1544 UTC
by jFarley
0 Replies
709 Views
Last post November 01, 2018, 2039 UTC
by ChrisSmolinski
0 Replies
519 Views
Last post December 13, 2019, 1411 UTC
by ChrisSmolinski
0 Replies
587 Views
Last post February 05, 2021, 1329 UTC
by ChrisSmolinski
2 Replies
1285 Views
Last post August 20, 2019, 1041 UTC
by ChrisSmolinski
0 Replies
860 Views
Last post September 06, 2017, 2028 UTC
by ChrisSmolinski
0 Replies
602 Views
Last post April 27, 2018, 1247 UTC
by ChrisSmolinski
0 Replies
593 Views
Last post January 20, 2021, 1238 UTC
by ChrisSmolinski
0 Replies
510 Views
Last post August 03, 2019, 1512 UTC
by ChrisSmolinski
0 Replies
533 Views
Last post October 24, 2022, 2257 UTC
by ChrisSmolinski
0 Replies
580 Views
Last post September 16, 2020, 1200 UTC
by ChrisSmolinski
0 Replies
561 Views
Last post February 09, 2019, 1604 UTC
by ChrisSmolinski
1 Replies
902 Views
Last post October 02, 2018, 0117 UTC
by skeezix
0 Replies
2489 Views
Last post November 16, 2016, 1751 UTC
by ChrisSmolinski
1 Replies
547 Views
Last post January 04, 2021, 1327 UTC
by ChrisSmolinski
0 Replies
494 Views
Last post October 05, 2022, 2136 UTC
by ChrisSmolinski
0 Replies
862 Views
Last post December 11, 2017, 1403 UTC
by ChrisSmolinski
0 Replies
537 Views
Last post September 01, 2020, 1239 UTC
by ChrisSmolinski
0 Replies
581 Views
Last post January 24, 2019, 1357 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