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
KFBN 6925 USB 0115 UTC 1/27/17

Started by JoeFLIPS

4 Replies
1940 Views
Last post January 27, 2017, 1629 UTC
by ChrisSmolinski
KERR? 6930U

Started by Zoidberg

1 Replies
1132 Views
Last post February 05, 2011, 0218 UTC
by outhouse radio
4 Replies
2146 Views
Last post April 13, 2013, 1821 UTC
by 07code04stalker1776
4 Replies
1973 Views
Last post April 13, 2013, 1938 UTC
by Dr. Amp
6 Replies
895 Views
Last post August 13, 2023, 2052 UTC
by Big Badfish Al
3 Replies
551 Views
Last post August 09, 2023, 2139 UTC
by TheHappyWanker
10 Replies
1310 Views
Last post February 03, 2023, 0133 UTC
by Andrew Yoder
2 Replies
492 Views
Last post February 01, 2023, 2026 UTC
by Sky Waves
4 Replies
565 Views
Last post August 17, 2023, 1423 UTC
by ChrisSmolinski
KDUD RADIO

Started by weaksigs

0 Replies
1106 Views
Last post October 02, 2010, 0153 UTC
by weaksigs
4 Replies
1557 Views
Last post March 06, 2016, 2043 UTC
by Skipmuck
11 Replies
3063 Views
Last post April 27, 2017, 1156 UTC
by ChrisSmolinski
0 Replies
995 Views
Last post May 04, 2012, 0156 UTC
by Token
6 Replies
1082 Views
Last post February 21, 2021, 0054 UTC
by myteaquinn
20 Replies
3006 Views
Last post April 11, 2021, 0134 UTC
by ~SIGINT~
6 Replies
1164 Views
Last post October 12, 2019, 1541 UTC
by ChrisSmolinski
7 Replies
730 Views
Last post February 11, 2024, 0203 UTC
by TheHappyWanker
8 Replies
905 Views
Last post July 02, 2023, 1900 UTC
by Pigmeat
18 Replies
3700 Views
Last post August 10, 2019, 1149 UTC
by Pigmeat
2 Replies
906 Views
Last post March 02, 2020, 0156 UTC
by MDK2

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns