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
10 Replies
2103 Views
Last post February 06, 2016, 1920 UTC
by CoolAM Radio
10 Replies
5576 Views
Last post October 28, 2013, 1150 UTC
by Echo_One
10 Replies
1009 Views
Last post May 14, 2023, 0326 UTC
by Zane
10 Replies
1723 Views
Last post December 28, 2020, 0001 UTC
by R. Comeau
10 Replies
1314 Views
Last post May 19, 2023, 1728 UTC
by ChrisSmolinski
10 Replies
1760 Views
Last post February 24, 2018, 1635 UTC
by ChrisSmolinski
10 Replies
987 Views
Last post May 29, 2022, 0328 UTC
by Sarge94
XFM 6914 USB 0050 UTC 25 August 2019

Started by bandarr3000

10 Replies
2008 Views
Last post August 25, 2019, 1321 UTC
by refmo
10 Replies
1325 Views
Last post May 15, 2023, 1038 UTC
by RainBrandy
10 Replies
1396 Views
Last post May 28, 2022, 2310 UTC
by autovon
10 Replies
1930 Views
Last post December 20, 2020, 2245 UTC
by Traveling Wave
10 Replies
1714 Views
Last post December 22, 2020, 0034 UTC
by Gino Italy
10 Replies
1126 Views
Last post October 20, 2024, 0217 UTC
by Professor
10 Replies
2368 Views
Last post January 28, 2013, 1810 UTC
by Hornet0123
10 Replies
2320 Views
Last post January 27, 2013, 1858 UTC
by DocSlop
10 Replies
2330 Views
Last post January 26, 2013, 2004 UTC
by Sealord
10 Replies
1206 Views
Last post May 08, 2023, 0159 UTC
by sgreenstreet
10 Replies
936 Views
Last post May 07, 2023, 0315 UTC
by Pigmeat
10 Replies
3319 Views
Last post January 29, 2017, 1551 UTC
by ChrisSmolinski
10 Replies
1298 Views
Last post October 06, 2024, 1612 UTC
by N2MLP

 

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