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
782 Views
Last post October 19, 2018, 1730 UTC
by ChrisSmolinski
0 Replies
1131 Views
Last post January 12, 2018, 2313 UTC
by ChrisSmolinski
1 Replies
1187 Views
Last post November 19, 2018, 2353 UTC
by Skipmuck
3 Replies
2044 Views
Last post March 01, 2018, 0049 UTC
by cgalazt
0 Replies
1460 Views
Last post May 08, 2025, 1218 UTC
by ChrisSmolinski
1 Replies
1032 Views
Last post December 20, 2018, 2326 UTC
by Ray Lalleu
0 Replies
932 Views
Last post December 09, 2019, 2036 UTC
by ChrisSmolinski
0 Replies
1068 Views
Last post January 23, 2020, 1625 UTC
by ChrisSmolinski
0 Replies
2473 Views
Last post March 31, 2017, 0259 UTC
by ChrisSmolinski
0 Replies
1105 Views
Last post December 23, 2023, 2211 UTC
by ChrisSmolinski
0 Replies
1304 Views
Last post November 05, 2017, 2355 UTC
by ChrisSmolinski
0 Replies
1116 Views
Last post December 02, 2017, 2335 UTC
by ChrisSmolinski
0 Replies
933 Views
Last post November 19, 2018, 2315 UTC
by ChrisSmolinski
0 Replies
1102 Views
Last post February 10, 2019, 2357 UTC
by ChrisSmolinski
0 Replies
947 Views
Last post December 10, 2019, 1151 UTC
by ChrisSmolinski
0 Replies
1053 Views
Last post January 27, 2020, 1607 UTC
by ChrisSmolinski
0 Replies
1906 Views
Last post March 31, 2017, 2329 UTC
by ChrisSmolinski
1 Replies
1423 Views
Last post November 07, 2017, 1204 UTC
by ChrisSmolinski
0 Replies
1082 Views
Last post December 09, 2017, 2318 UTC
by ChrisSmolinski
0 Replies
1104 Views
Last post January 13, 2018, 1952 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