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
12 Replies
2742 Views
Last post September 10, 2017, 1515 UTC
by ChrisSmolinski
7 Replies
1780 Views
Last post February 15, 2021, 0432 UTC
by IQ_imbalance
9 Replies
877 Views
Last post July 05, 2022, 0148 UTC
by Markokpik
0 Replies
572 Views
Last post March 06, 2016, 1458 UTC
by ChrisSmolinski
1 Replies
341 Views
Last post January 27, 2023, 0234 UTC
by Shortwave_Listener
1 Replies
335 Views
Last post October 28, 2023, 0126 UTC
by myteaquinn
13 Replies
1602 Views
Last post November 11, 2023, 0247 UTC
by Markokpik
6 Replies
647 Views
Last post December 09, 2024, 1127 UTC
by Sealord
1 Replies
677 Views
Last post November 12, 2017, 1558 UTC
by ChrisSmolinski
6 Replies
1480 Views
Last post July 23, 2017, 1617 UTC
by ChrisSmolinski
5 Replies
1365 Views
Last post December 06, 2016, 1822 UTC
by ChrisSmolinski
0 Replies
941 Views
Last post October 18, 2014, 1458 UTC
by ChrisSmolinski
8 Replies
1092 Views
Last post July 12, 2020, 0243 UTC
by Chuck54
3 Replies
949 Views
Last post September 09, 2019, 0149 UTC
by refmo
7 Replies
1342 Views
Last post February 11, 2018, 1515 UTC
by digitalmod
3 Replies
1207 Views
Last post February 23, 2020, 0213 UTC
by canswl
7 Replies
1179 Views
Last post August 23, 2020, 1941 UTC
by Reynard the Fox
2 Replies
400 Views
Last post February 16, 2023, 0154 UTC
by hsmith77
6 Replies
712 Views
Last post January 25, 2023, 0202 UTC
by TheHappyWanker
13 Replies
1001 Views
Last post November 30, 2024, 0148 UTC
by Tony_Pavick

 

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