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
3 Replies
1465 Views
Last post January 19, 2018, 1949 UTC
by JCMaxwell
0 Replies
1215 Views
Last post January 19, 2017, 1620 UTC
by ChrisSmolinski
0 Replies
825 Views
Last post February 19, 2019, 1330 UTC
by ChrisSmolinski
0 Replies
686 Views
Last post February 19, 2018, 1223 UTC
by ChrisSmolinski
0 Replies
1034 Views
Last post February 19, 2017, 1706 UTC
by ChrisSmolinski
0 Replies
510 Views
Last post December 19, 2022, 2235 UTC
by ChrisSmolinski
1 Replies
591 Views
Last post December 19, 2020, 2205 UTC
by ChrisSmolinski
0 Replies
535 Views
Last post December 19, 2019, 1659 UTC
by ChrisSmolinski
0 Replies
636 Views
Last post December 19, 2017, 1608 UTC
by ChrisSmolinski
5 Replies
2210 Views
Last post December 20, 2016, 0035 UTC
by jFarley
2 Replies
1281 Views
Last post August 20, 2019, 1041 UTC
by ChrisSmolinski
2 Replies
763 Views
Last post August 19, 2021, 1616 UTC
by ChrisSmolinski
0 Replies
523 Views
Last post August 19, 2020, 1224 UTC
by ChrisSmolinski
3 Replies
1651 Views
Last post August 19, 2017, 1624 UTC
by ChrisSmolinski
0 Replies
531 Views
Last post April 19, 2020, 2333 UTC
by ChrisSmolinski
2 Replies
928 Views
Last post April 20, 2019, 1243 UTC
by ChrisSmolinski
0 Replies
597 Views
Last post April 19, 2018, 1226 UTC
by ChrisSmolinski
0 Replies
887 Views
Last post April 19, 2017, 1237 UTC
by ChrisSmolinski
0 Replies
597 Views
Last post December 18, 2018, 1343 UTC
by ChrisSmolinski
0 Replies
582 Views
Last post September 18, 2018, 1247 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 T-Shirt
by MitchellTimeDesigns