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
756 Views
Last post October 14, 2016, 2337 UTC
by ChrisLobdell
5 Replies
756 Views
Last post October 11, 2021, 0034 UTC
by Dr. Strangelove
1 Replies
756 Views
Last post December 12, 2016, 0038 UTC
by Skipmuck
1 Replies
756 Views
Last post November 24, 2019, 2111 UTC
by Ray Lalleu
0 Replies
756 Views
Last post November 29, 2012, 0235 UTC
by jFarley
5 Replies
756 Views
Last post February 19, 2023, 0453 UTC
by Pigmeat
3 Replies
756 Views
Last post March 14, 2021, 1429 UTC
by Skipmuck
1 Replies
756 Views
Last post December 30, 2017, 1835 UTC
by DimBulb
2 Replies
756 Views
Last post September 13, 2020, 0206 UTC
by Dr. Strangelove
2 Replies
756 Views
Last post April 30, 2016, 2204 UTC
by Rafman
0 Replies
756 Views
Last post March 02, 2014, 1544 UTC
by ChrisSmolinski
4 Replies
756 Views
Last post July 08, 2021, 2303 UTC
by raypfaff
9 Replies
756 Views
Last post March 17, 2023, 2156 UTC
by DJFrederick
0 Replies
756 Views
Last post December 18, 2017, 1223 UTC
by ChrisSmolinski
UNID 6950 USB 0307 UTC 5/27/17

Started by JoeFLIPS

2 Replies
756 Views
Last post May 27, 2017, 1903 UTC
by ChrisSmolinski
3 Replies
756 Views
Last post December 06, 2021, 0000 UTC
by ~SIGINT~
9 Replies
756 Views
Last post December 17, 2022, 0257 UTC
by Shortwave_Listener
1 Replies
756 Views
Last post December 27, 2020, 2254 UTC
by Zane
3 Replies
756 Views
Last post December 02, 2017, 2305 UTC
by ChrisSmolinski
1 Replies
756 Views
Last post November 27, 2021, 1701 UTC
by Skipmuck

 

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