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
774 Views
Last post January 17, 2018, 1604 UTC
by JCMaxwell
0 Replies
1224 Views
Last post January 17, 2017, 1415 UTC
by ChrisSmolinski
0 Replies
588 Views
Last post February 17, 2020, 1453 UTC
by ChrisSmolinski
0 Replies
539 Views
Last post February 17, 2019, 1620 UTC
by ChrisSmolinski
0 Replies
616 Views
Last post February 17, 2018, 1530 UTC
by ChrisSmolinski
3 Replies
1729 Views
Last post February 18, 2017, 1859 UTC
by flexoman61
2 Replies
625 Views
Last post December 19, 2022, 1142 UTC
by ChrisSmolinski
1 Replies
558 Views
Last post December 17, 2020, 1613 UTC
by ChrisSmolinski
0 Replies
519 Views
Last post December 17, 2019, 1912 UTC
by ChrisSmolinski
0 Replies
774 Views
Last post December 17, 2017, 1544 UTC
by ChrisSmolinski
0 Replies
1189 Views
Last post December 17, 2016, 1520 UTC
by ChrisSmolinski
0 Replies
681 Views
Last post August 17, 2019, 1611 UTC
by ChrisSmolinski
0 Replies
530 Views
Last post August 17, 2021, 1240 UTC
by ChrisSmolinski
0 Replies
607 Views
Last post August 17, 2020, 1333 UTC
by ChrisSmolinski
3 Replies
1308 Views
Last post August 17, 2017, 2343 UTC
by ChrisSmolinski
2 Replies
765 Views
Last post April 18, 2019, 1414 UTC
by ChrisSmolinski
0 Replies
539 Views
Last post April 17, 2018, 1247 UTC
by ChrisSmolinski
0 Replies
892 Views
Last post April 17, 2017, 1527 UTC
by ChrisSmolinski
0 Replies
1349 Views
Last post December 18, 2016, 0111 UTC
by JCMaxwell
0 Replies
1332 Views
Last post December 17, 2016, 0125 UTC
by JCMaxwell

 

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