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
23 Replies
2359 Views
Last post October 26, 2024, 0022 UTC
by elburndx
23 Replies
2234 Views
Last post January 05, 2025, 0052 UTC
by OK_Mike
23 Replies
4776 Views
Last post June 28, 2018, 1602 UTC
by Andrew Yoder
23 Replies
3699 Views
Last post October 28, 2023, 0127 UTC
by Markokpik
23 Replies
2194 Views
Last post May 30, 2023, 0212 UTC
by Jim Renfrew
23 Replies
2115 Views
Last post November 09, 2024, 0642 UTC
by canswl
23 Replies
6123 Views
Last post December 16, 2018, 2234 UTC
by redhat
22 Replies
5505 Views
Last post January 16, 2015, 2208 UTC
by RCCI
22 Replies
2030 Views
Last post February 26, 2023, 1725 UTC
by Shortwave_Listener
22 Replies
6640 Views
Last post June 17, 2015, 1458 UTC
by jFarley
22 Replies
7034 Views
Last post June 22, 2014, 0313 UTC
by glimmer twin
22 Replies
2211 Views
Last post February 27, 2023, 0042 UTC
by myteaquinn
22 Replies
2257 Views
Last post February 26, 2023, 0055 UTC
by Pigmeat
22 Replies
5127 Views
Last post September 26, 2020, 1708 UTC
by Kage
22 Replies
3553 Views
Last post November 01, 2020, 0209 UTC
by ✠ Blue Max
22 Replies
2270 Views
Last post April 07, 2024, 0124 UTC
by alleycat
22 Replies
2657 Views
Last post September 17, 2022, 0418 UTC
by Zoidberg
22 Replies
4778 Views
Last post July 04, 2015, 1534 UTC
by ChrisSmolinski
22 Replies
6653 Views
Last post February 17, 2013, 1949 UTC
by Sealord
22 Replies
2293 Views
Last post March 11, 2023, 0119 UTC
by Alternative3d

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns