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
2 Replies
567 Views
Last post April 13, 2023, 2338 UTC
by N2MLP
0 Replies
600 Views
Last post February 18, 2022, 0023 UTC
by cgalazt
0 Replies
1068 Views
Last post March 03, 2018, 0307 UTC
by cgalazt
1 Replies
993 Views
Last post September 28, 2018, 2139 UTC
by cgalazt
4 Replies
661 Views
Last post January 25, 2023, 0004 UTC
by Radio Star
4 Replies
648 Views
Last post February 09, 2023, 0434 UTC
by dxace1
2 Replies
549 Views
Last post November 19, 2022, 0317 UTC
by Bali_Frank
4 Replies
607 Views
Last post June 16, 2023, 0059 UTC
by N2MLP
0 Replies
324 Views
Last post December 22, 2022, 0248 UTC
by Charlie_Dont_Surf
4 Replies
535 Views
Last post January 06, 2023, 1218 UTC
by ChrisSmolinski
4 Replies
1278 Views
Last post January 15, 2018, 1009 UTC
by Daniel Wyllyans
0 Replies
585 Views
Last post November 27, 2018, 1104 UTC
by ChrisSmolinski
0 Replies
642 Views
Last post January 23, 2019, 1130 UTC
by ChrisSmolinski
3 Replies
1524 Views
Last post April 03, 2017, 2354 UTC
by Dr. Strangelove
4 Replies
971 Views
Last post August 18, 2018, 2320 UTC
by bubblova
0 Replies
651 Views
Last post October 14, 2019, 1028 UTC
by ChrisSmolinski
0 Replies
844 Views
Last post November 09, 2017, 2325 UTC
by ChrisSmolinski
0 Replies
678 Views
Last post September 28, 2018, 2308 UTC
by ChrisSmolinski
2 Replies
847 Views
Last post December 16, 2017, 1345 UTC
by ChrisSmolinski
1 Replies
960 Views
Last post January 15, 2018, 2343 UTC
by Skipmuck

 

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