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
256 Views
Last post April 10, 2025, 1524 UTC
by fpeconsultant
0 Replies
7863 Views
Last post January 10, 2025, 0226 UTC
by Jeff DUDE
2 Replies
4221 Views
Last post November 16, 2024, 1953 UTC
by 05B
0 Replies
1261 Views
Last post October 18, 2024, 1924 UTC
by Todd Vanderbilt
0 Replies
3197 Views
Last post August 29, 2024, 2238 UTC
by boston_strangler
0 Replies
4101 Views
Last post January 22, 2024, 1758 UTC
by ChrisSmolinski
5 Replies
5969 Views
Last post November 11, 2023, 0532 UTC
by Charlie_Dont_Surf
1 Replies
3506 Views
Last post September 09, 2023, 1552 UTC
by Teotwaki
0 Replies
2207 Views
Last post July 17, 2023, 1256 UTC
by ChrisSmolinski
5 Replies
3056 Views
Last post July 15, 2023, 0129 UTC
by Josh
0 Replies
1933 Views
Last post July 02, 2023, 2127 UTC
by Rob.
2 Replies
2719 Views
Last post May 13, 2023, 0408 UTC
by Monophonia
1 Replies
3365 Views
Last post February 24, 2023, 1536 UTC
by Antennae
Advice

Started by fpeconsultant

8 Replies
3240 Views
Last post February 18, 2023, 0646 UTC
by Pigmeat
8 Replies
3192 Views
Last post February 17, 2023, 1853 UTC
by ThaDood
3 Replies
2596 Views
Last post February 01, 2023, 0252 UTC
by Pigmeat
3 Replies
2424 Views
Last post January 21, 2023, 2050 UTC
by Pigmeat
0 Replies
1717 Views
Last post December 17, 2022, 1838 UTC
by Dilbert
7 Replies
3210 Views
Last post December 08, 2022, 2107 UTC
by Antennae
2 Replies
2264 Views
Last post November 30, 2022, 1450 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 House Flag
by MitchellTimeDesigns