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
0 Replies
1803 Views
Last post August 22, 2018, 1844 UTC
by 2511382
JSquelch

Started by autovon

1 Replies
1106 Views
Last post February 20, 2023, 2100 UTC
by Josh
0 Replies
1335 Views
Last post July 04, 2021, 2157 UTC
by Bluegrass Dan
8 Replies
3026 Views
Last post March 04, 2021, 1931 UTC
by redhat
16 Replies
5609 Views
Last post September 17, 2023, 0656 UTC
by Charlie_Dont_Surf
0 Replies
1702 Views
Last post August 02, 2018, 2024 UTC
by ChrisSmolinski
0 Replies
2300 Views
Last post July 20, 2014, 1531 UTC
by ChrisSmolinski
2 Replies
4754 Views
Last post December 18, 2015, 2039 UTC
by JoeFLIPS
0 Replies
4328 Views
Last post September 12, 2014, 1405 UTC
by ChrisSmolinski
3 Replies
3962 Views
Last post July 25, 2016, 0202 UTC
by IQ_imbalance
0 Replies
3112 Views
Last post February 25, 2015, 1707 UTC
by ChrisSmolinski
0 Replies
1573 Views
Last post February 22, 2018, 1636 UTC
by ChrisSmolinski
0 Replies
1748 Views
Last post May 09, 2018, 2242 UTC
by ChrisSmolinski
0 Replies
2768 Views
Last post February 27, 2019, 2015 UTC
by ChrisSmolinski
0 Replies
4546 Views
Last post November 15, 2014, 1831 UTC
by ChrisSmolinski
4 Replies
3178 Views
Last post August 24, 2016, 1810 UTC
by ChrisSmolinski
0 Replies
2436 Views
Last post June 19, 2015, 2151 UTC
by ChrisSmolinski
9 Replies
5152 Views
Last post August 04, 2017, 2356 UTC
by skeezix
0 Replies
1429 Views
Last post July 25, 2021, 1918 UTC
by ChrisSmolinski
0 Replies
312 Views
Last post February 21, 2024, 2200 UTC
by ChrisSmolinski

 

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