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
1037 Views
Last post May 09, 2018, 2114 UTC
by Helicaster
0 Replies
972 Views
Last post May 12, 2018, 2359 UTC
by Helicaster
1 Replies
1322 Views
Last post March 15, 2018, 2324 UTC
by Evil Elvis
1 Replies
835 Views
Last post April 25, 2022, 1944 UTC
by Ct Yankee
1 Replies
618 Views
Last post September 05, 2021, 1814 UTC
by Bali_Frank
4 Replies
2875 Views
Last post August 05, 2014, 2255 UTC
by Rich
2 Replies
735 Views
Last post April 23, 2020, 1549 UTC
by giulipetra
5 Replies
1436 Views
Last post April 10, 2020, 2026 UTC
by giulipetra
AFN Tokyo

Started by giulipetra

1 Replies
819 Views
Last post April 10, 2020, 2108 UTC
by Skipmuck
0 Replies
572 Views
Last post April 17, 2020, 1231 UTC
by giulipetra
1 Replies
624 Views
Last post April 14, 2020, 1231 UTC
by Bali_Frank
1 Replies
1424 Views
Last post May 31, 2015, 2120 UTC
by Gino Italy
OZNRH QSL

Started by Gino Italy

1 Replies
1130 Views
Last post September 30, 2016, 0824 UTC
by Claudio Italy
2 Replies
1577 Views
Last post December 16, 2019, 1738 UTC
by Bali_Frank
0 Replies
1051 Views
Last post January 06, 2015, 1700 UTC
by Gino Italy
2 Replies
876 Views
Last post November 09, 2020, 1906 UTC
by RainBrandy
0 Replies
1105 Views
Last post May 01, 2017, 1136 UTC
by Gino Italy
0 Replies
518 Views
Last post January 06, 2025, 1716 UTC
by Gino Italy
0 Replies
739 Views
Last post December 09, 2018, 1714 UTC
by Gino Italy
0 Replies
691 Views
Last post October 27, 2023, 2123 UTC
by Gino Italy

 

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