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
1865 Views
Last post June 04, 2018, 2107 UTC
by ChrisSmolinski
0 Replies
1866 Views
Last post October 25, 2024, 1555 UTC
by R4002
0 Replies
1870 Views
Last post December 24, 2020, 1548 UTC
by SBS01
0 Replies
1881 Views
Last post March 31, 2019, 1427 UTC
by ChrisSmolinski
1 Replies
1898 Views
Last post June 25, 2025, 1834 UTC
by Monophonia
0 Replies
1918 Views
Last post March 22, 2019, 1338 UTC
by ChrisSmolinski
1 Replies
1927 Views
Last post June 13, 2018, 1551 UTC
by sat_dxer
0 Replies
1930 Views
Last post January 30, 2020, 1324 UTC
by ChrisSmolinski
0 Replies
1938 Views
Last post February 19, 2021, 1838 UTC
by ThaDood
0 Replies
1960 Views
Last post April 05, 2019, 1506 UTC
by ChrisSmolinski
0 Replies
1964 Views
Last post October 22, 2024, 1457 UTC
by R4002
0 Replies
1968 Views
Last post April 10, 2022, 2103 UTC
by alleycat
0 Replies
1990 Views
Last post November 21, 2019, 0114 UTC
by Boriken
0 Replies
1992 Views
Last post March 25, 2021, 1749 UTC
by ChrisSmolinski
0 Replies
2014 Views
Last post April 05, 2019, 1432 UTC
by ChrisSmolinski
0 Replies
2016 Views
Last post April 03, 2019, 1122 UTC
by ChrisSmolinski
3 Replies
2025 Views
Last post October 12, 2022, 2232 UTC
by R4002
0 Replies
2045 Views
Last post May 15, 2020, 0204 UTC
by WA4FHY
0 Replies
2047 Views
Last post May 30, 2018, 1635 UTC
by ChrisSmolinski
0 Replies
2048 Views
Last post January 07, 2019, 2355 UTC
by shadypyro

 

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