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
189 Views
Last post April 19, 2025, 2140 UTC
by kris
1 Replies
266 Views
Last post May 24, 2025, 0941 UTC
by Benoit LEVEQUE
1 Replies
201 Views
Last post July 04, 2025, 2120 UTC
by RadioLongWire
0 Replies
193 Views
Last post October 12, 2024, 2109 UTC
by Ray Lalleu
0 Replies
194 Views
Last post April 25, 2025, 2108 UTC
by Ray Lalleu
0 Replies
177 Views
Last post May 09, 2025, 2003 UTC
by Ray Lalleu
0 Replies
257 Views
Last post September 30, 2023, 2105 UTC
by Ray Lalleu
0 Replies
288 Views
Last post October 21, 2023, 2101 UTC
by Ray Lalleu
0 Replies
209 Views
Last post June 17, 2023, 2103 UTC
by Ray Lalleu
0 Replies
220 Views
Last post September 16, 2023, 2103 UTC
by Ray Lalleu
1 Replies
288 Views
Last post October 14, 2023, 2132 UTC
by N2MLP
0 Replies
221 Views
Last post October 07, 2023, 2102 UTC
by Ray Lalleu
0 Replies
110 Views
Last post June 28, 2025, 2059 UTC
by Ray Lalleu
0 Replies
234 Views
Last post April 26, 2024, 2101 UTC
by Ray Lalleu
0 Replies
200 Views
Last post April 26, 2025, 2056 UTC
by Ray Lalleu
0 Replies
215 Views
Last post August 09, 2024, 2057 UTC
by Ray Lalleu
0 Replies
206 Views
Last post July 11, 2025, 2050 UTC
by Ray Lalleu
0 Replies
100 Views
Last post August 29, 2025, 2050 UTC
by Ray Lalleu
1 Replies
298 Views
Last post May 31, 2024, 2047 UTC
by Fisherman
1 Replies
302 Views
Last post October 04, 2024, 2107 UTC
by kris

 

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