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
11 Replies
3259 Views
Last post November 05, 2017, 2256 UTC
by Ray Lalleu
11 Replies
1994 Views
Last post October 15, 2017, 0041 UTC
by myteaquinn
11 Replies
3211 Views
Last post October 22, 2017, 2255 UTC
by Slow-pC
11 Replies
2939 Views
Last post December 06, 2016, 0007 UTC
by refmo
11 Replies
2951 Views
Last post November 04, 2017, 2230 UTC
by ByteBORG
11 Replies
2853 Views
Last post November 04, 2017, 1601 UTC
by ChrisSmolinski
11 Replies
2576 Views
Last post May 26, 2015, 0043 UTC
by Fansome
11 Replies
1948 Views
Last post December 05, 2016, 0352 UTC
by Matt_B
11 Replies
3213 Views
Last post November 04, 2017, 0002 UTC
by PirateSWL
11 Replies
1018 Views
Last post February 04, 2023, 0337 UTC
by hsmith77
11 Replies
1276 Views
Last post February 26, 2022, 0024 UTC
by K1MLP
11 Replies
2096 Views
Last post October 29, 2017, 2209 UTC
by Markokpik
11 Replies
2377 Views
Last post May 23, 2015, 0026 UTC
by atrainradio
11 Replies
900 Views
Last post February 04, 2023, 0321 UTC
by dxbill
11 Replies
1299 Views
Last post February 02, 2023, 1617 UTC
by Pigmeat
11 Replies
1179 Views
Last post January 27, 2023, 0234 UTC
by Pigmeat
11 Replies
1773 Views
Last post November 27, 2016, 2311 UTC
by ByteBORG
11 Replies
1067 Views
Last post February 01, 2023, 1449 UTC
by Ron Hunsicker
11 Replies
3153 Views
Last post March 26, 2019, 1000 UTC
by ChrisSmolinski
11 Replies
716 Views
Last post January 28, 2023, 0200 UTC
by hsmith77

 

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