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
4 Replies
2017 Views
Last post October 07, 2019, 1751 UTC
by ChrisSmolinski
4 Replies
2066 Views
Last post December 03, 2015, 0944 UTC
by Claudio Italy
4 Replies
822 Views
Last post March 11, 2023, 2123 UTC
by Shortwave_Listener
4 Replies
1826 Views
Last post December 09, 2015, 0257 UTC
by Rafman
4 Replies
1614 Views
Last post December 09, 2015, 2229 UTC
by refmo
4 Replies
635 Views
Last post March 19, 2023, 0738 UTC
by Pigmeat
4 Replies
1266 Views
Last post January 05, 2017, 0115 UTC
by refmo
4 Replies
666 Views
Last post March 17, 2023, 0242 UTC
by Pravotorov
4 Replies
743 Views
Last post April 17, 2023, 1317 UTC
by Radio Star
4 Replies
1965 Views
Last post December 16, 2015, 1120 UTC
by redhat
4 Replies
1893 Views
Last post March 14, 2015, 2157 UTC
by jFarley
4 Replies
847 Views
Last post May 25, 2022, 1534 UTC
by KMD3HR
4 Replies
565 Views
Last post April 08, 2023, 2210 UTC
by Pigmeat
4 Replies
3267 Views
Last post March 21, 2015, 2352 UTC
by hsmith77
TCS Echoes of 1968 eQSL

Started by JoeFLIPS

4 Replies
1374 Views
Last post December 23, 2015, 2243 UTC
by oly1959
4 Replies
903 Views
Last post March 24, 2023, 2255 UTC
by Pigmeat
4 Replies
702 Views
Last post April 19, 2023, 2305 UTC
by Skipmuck
4 Replies
1683 Views
Last post December 25, 2015, 1253 UTC
by hsmith77
4 Replies
616 Views
Last post April 13, 2023, 0230 UTC
by Molvania Poacher
4 Replies
1234 Views
Last post January 01, 2016, 0352 UTC
by Kilokat7

 

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