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.

Child Boards

No New Posts Broadcast Announcements

Rumors of upcoming transmissions

1326 Posts
902 Topics

Last post by ION Radio
in KSKO Relay 6.16.25
on June 16, 2025, 1927 UTC

Subject / Started by Last post
10 Replies
44736 Views
Last post February 13, 2023, 2027 UTC
by Shortwave_Listener
0 Replies
25281 Views
Last post July 22, 2018, 0205 UTC
by TheRelayStation
7 Replies
345 Views
Last post Today at 03:35
by J. Carlos Pérez Montero
9 Replies
366 Views
Last post Today at 02:50
by Markokpik
5 Replies
210 Views
Last post Today at 02:49
by TheHappyWanker
1 Replies
70 Views
Last post Today at 02:43
by myteaquinn
2 Replies
188 Views
Last post June 17, 2025, 2222 UTC
by J. Carlos Pérez Montero
0 Replies
67 Views
Last post June 17, 2025, 2145 UTC
by flexoman61
14 Replies
615 Views
Last post June 17, 2025, 0320 UTC
by sternradio666
8 Replies
333 Views
Last post June 17, 2025, 0222 UTC
by Andrew Yoder
11 Replies
444 Views
Last post June 17, 2025, 0135 UTC
by Dr Smoke
8 Replies
334 Views
Last post June 17, 2025, 0055 UTC
by Professor
6 Replies
222 Views
Last post June 16, 2025, 2256 UTC
by Chuck54
1 Replies
105 Views
Last post June 16, 2025, 2139 UTC
by hsmith77
4 Replies
168 Views
Last post June 16, 2025, 2056 UTC
by RainBrandy
10 Replies
509 Views
Last post June 16, 2025, 1421 UTC
by ChrisSmolinski
8 Replies
355 Views
Last post June 16, 2025, 0342 UTC
by dxace1
13 Replies
503 Views
Last post June 16, 2025, 0305 UTC
by Tch1981
4 Replies
244 Views
Last post June 16, 2025, 0239 UTC
by J. Carlos Pérez Montero
4 Replies
236 Views
Last post June 16, 2025, 0114 UTC
by J. Carlos Pérez Montero

 

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