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
15 Replies
5214 Views
Last post July 28, 2017, 0036 UTC
by Skipmuck
0 Replies
750 Views
Last post April 15, 2016, 2224 UTC
by VK3BVW
0 Replies
533 Views
Last post December 14, 2020, 1917 UTC
by East Troy Don
0 Replies
740 Views
Last post December 17, 2016, 2122 UTC
by VK3BVW
0 Replies
486 Views
Last post May 10, 2021, 2156 UTC
by East Troy Don
1 Replies
319 Views
Last post April 03, 2025, 0253 UTC
by East Troy Don
1 Replies
1290 Views
Last post April 17, 2016, 0104 UTC
by SW Observer
0 Replies
290 Views
Last post January 25, 2025, 2028 UTC
by SWLQSL
0 Replies
112 Views
Last post April 28, 2025, 2035 UTC
by SWLQSL
0 Replies
280 Views
Last post December 16, 2024, 2147 UTC
by East Troy Don
1 Replies
864 Views
Last post September 24, 2017, 2049 UTC
by skeezix
2 Replies
1725 Views
Last post April 16, 2016, 0048 UTC
by fpeconsultant
1 Replies
1257 Views
Last post April 16, 2016, 0417 UTC
by Ron - Calif.
0 Replies
555 Views
Last post January 11, 2021, 1832 UTC
by East Troy Don
2 Replies
907 Views
Last post November 10, 2020, 2146 UTC
by East Troy Don
0 Replies
1027 Views
Last post April 15, 2016, 0614 UTC
by Ron - Calif.
0 Replies
1005 Views
Last post December 17, 2013, 2340 UTC
by VK3BVW
1 Replies
590 Views
Last post December 28, 2019, 1457 UTC
by Pigmeat
4 Replies
935 Views
Last post September 21, 2019, 2038 UTC
by myteaquinn
5 Replies
621 Views
Last post March 12, 2023, 0135 UTC
by Treehouse SWL

 

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