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
3191 Views
Last post April 17, 2019, 1648 UTC
by Fansome
5 Replies
3199 Views
Last post January 13, 2016, 0503 UTC
by ka1iic
1 Replies
2578 Views
Last post December 31, 2013, 0051 UTC
by thechoat
0 Replies
1607 Views
Last post December 10, 2019, 1733 UTC
by CoolAM Radio
7 Replies
3830 Views
Last post July 04, 2016, 2211 UTC
by skeezix
9 Replies
3943 Views
Last post February 01, 2016, 0341 UTC
by Pigmeat
1 Replies
1485 Views
Last post June 26, 2017, 0041 UTC
by Pigmeat
4 Replies
3164 Views
Last post December 15, 2014, 2021 UTC
by Pigmeat
4 Replies
1943 Views
Last post March 02, 2020, 1832 UTC
by ThaDood
3 Replies
1854 Views
Last post July 25, 2020, 1354 UTC
by pinto vortando
1 Replies
1859 Views
Last post July 04, 2017, 0045 UTC
by Pigmeat
12 Replies
4126 Views
Last post November 07, 2015, 1751 UTC
by ka1iic
#Brexit

Started by ChrisSmolinski

4 Replies
2452 Views
Last post July 03, 2016, 2315 UTC
by skeezix
3 Replies
5414 Views
Last post November 03, 2013, 0107 UTC
by SingleSideburn
2 Replies
232 Views
Last post July 04, 2025, 2246 UTC
by Pigmeat
"Hey Hey Hey",

Started by Nella F.

0 Replies
1261 Views
Last post November 25, 2015, 1848 UTC
by Nella F.
"Marvelous..."

Started by UncleJohn

1 Replies
1094 Views
Last post July 28, 2022, 1904 UTC
by Pigmeat
3 Replies
1657 Views
Last post November 22, 2019, 2001 UTC
by Josh
3 Replies
2883 Views
Last post January 12, 2017, 1636 UTC
by Josh
7 Replies
3605 Views
Last post December 08, 2015, 1455 UTC
by ka1iic

 

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