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
1 Replies
453 Views
Last post October 22, 2023, 2153 UTC
by N2MLP
1 Replies
533 Views
Last post August 09, 2021, 2302 UTC
by kris
1 Replies
325 Views
Last post September 21, 2023, 2215 UTC
by N2MLP
0 Replies
444 Views
Last post July 12, 2021, 2028 UTC
by Ray Lalleu
0 Replies
216 Views
Last post July 10, 2023, 2033 UTC
by Ray Lalleu
0 Replies
268 Views
Last post May 14, 2023, 1949 UTC
by Ray Lalleu
0 Replies
211 Views
Last post July 04, 2023, 1958 UTC
by Ray Lalleu
0 Replies
485 Views
Last post August 14, 2021, 2031 UTC
by Ray Lalleu
0 Replies
353 Views
Last post November 08, 2023, 2032 UTC
by Ray Lalleu
0 Replies
207 Views
Last post August 10, 2023, 2013 UTC
by Ray Lalleu
0 Replies
203 Views
Last post May 23, 2023, 2148 UTC
by Ray Lalleu
1 Replies
258 Views
Last post March 25, 2023, 2221 UTC
by kris
0 Replies
209 Views
Last post July 24, 2023, 2055 UTC
by Ray Lalleu
0 Replies
247 Views
Last post April 08, 2023, 2056 UTC
by Ray Lalleu
0 Replies
322 Views
Last post September 12, 2023, 2013 UTC
by Ray Lalleu
0 Replies
263 Views
Last post April 26, 2023, 2217 UTC
by Ray Lalleu
0 Replies
482 Views
Last post August 25, 2021, 2002 UTC
by Ray Lalleu
1 Replies
247 Views
Last post August 27, 2023, 2042 UTC
by N2MLP
1 Replies
354 Views
Last post March 27, 2023, 2134 UTC
by kris
0 Replies
309 Views
Last post May 05, 2023, 2111 UTC
by Ray Lalleu

 

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