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
2 Replies
723 Views
Last post May 26, 2018, 1621 UTC
by ChrisSmolinski
0 Replies
404 Views
Last post March 21, 2023, 2343 UTC
by Skipmuck
1 Replies
732 Views
Last post September 26, 2020, 2320 UTC
by Syck0
7 Replies
2200 Views
Last post October 04, 2015, 1440 UTC
by ByteBORG
10 Replies
1632 Views
Last post June 07, 2020, 0237 UTC
by Sealord
0 Replies
617 Views
Last post August 30, 2019, 2218 UTC
by Skipmuck
39 Replies
3447 Views
Last post October 09, 2022, 0203 UTC
by bcoggs
9 Replies
1177 Views
Last post June 02, 2022, 0208 UTC
by blw
1 Replies
444 Views
Last post November 10, 2022, 2045 UTC
by dxwingr
7 Replies
1961 Views
Last post February 20, 2016, 2314 UTC
by aurora
5 Replies
1280 Views
Last post December 11, 2020, 2250 UTC
by refmo
1 Replies
365 Views
Last post December 07, 2022, 2026 UTC
by flexoman61
1 Replies
716 Views
Last post April 29, 2017, 2319 UTC
by ChrisSmolinski
8 Replies
1083 Views
Last post April 10, 2022, 1937 UTC
by refmo
10 Replies
1610 Views
Last post February 11, 2018, 0100 UTC
by Pigmeat
2 Replies
1226 Views
Last post January 25, 2016, 0202 UTC
by Yankee Charlie
1 Replies
477 Views
Last post February 04, 2023, 0030 UTC
by DangerKitty
12 Replies
954 Views
Last post June 03, 2023, 2241 UTC
by Sparkyzilla85
1 Replies
849 Views
Last post November 26, 2017, 1315 UTC
by ChrisSmolinski
6 Replies
2243 Views
Last post August 13, 2017, 1428 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 House Flag
by MitchellTimeDesigns