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
1385 Views
Last post June 17, 2022, 0412 UTC
by Matt_B
1 Replies
1475 Views
Last post June 12, 2022, 1440 UTC
by Shortwave_Listener
1 Replies
1234 Views
Last post June 07, 2022, 2111 UTC
by PigeonReceiver
0 Replies
1066 Views
Last post June 06, 2022, 2055 UTC
by kris
1 Replies
1479 Views
Last post June 04, 2022, 0212 UTC
by William Hassig
1 Replies
1119 Views
Last post June 03, 2022, 1555 UTC
by kris
1 Replies
1328 Views
Last post May 31, 2022, 1833 UTC
by Ray Lalleu
0 Replies
1054 Views
Last post May 30, 2022, 2201 UTC
by kris
0 Replies
1042 Views
Last post May 29, 2022, 2139 UTC
by kris
4 Replies
1419 Views
Last post May 28, 2022, 2108 UTC
by kris
1 Replies
1278 Views
Last post May 20, 2022, 2318 UTC
by Shortwave_Listener
1 Replies
1301 Views
Last post May 20, 2022, 1839 UTC
by kris
2 Replies
1375 Views
Last post May 19, 2022, 2308 UTC
by kris
0 Replies
1023 Views
Last post May 16, 2022, 2054 UTC
by kris
0 Replies
1008 Views
Last post May 16, 2022, 2040 UTC
by kris
1 Replies
1087 Views
Last post May 12, 2022, 2333 UTC
by Skipmuck
0 Replies
946 Views
Last post May 01, 2022, 2237 UTC
by kris
0 Replies
909 Views
Last post April 30, 2022, 2027 UTC
by Shortwave_Listener
1 Replies
1070 Views
Last post April 25, 2022, 2235 UTC
by East Troy Don
1 Replies
1038 Views
Last post April 25, 2022, 2050 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