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
1744 Views
Last post January 31, 2022, 2018 UTC
by ChrisSmolinski
0 Replies
1761 Views
Last post February 11, 2016, 0352 UTC
by Kilokat7
3 Replies
1771 Views
Last post March 16, 2023, 1653 UTC
by Njtty
4 Replies
1790 Views
Last post February 06, 2022, 1412 UTC
by ChrisSmolinski
0 Replies
1791 Views
Last post February 08, 2024, 0118 UTC
by Kilokat7
1 Replies
1791 Views
Last post December 23, 2013, 0430 UTC
by STF_RI
0 Replies
1793 Views
Last post January 06, 2025, 0514 UTC
by Big Badfish Al
1 Replies
1795 Views
Last post July 14, 2017, 2359 UTC
by DimBulb
0 Replies
1798 Views
Last post December 25, 2017, 0323 UTC
by Helicaster
1 Replies
1805 Views
Last post May 18, 2021, 1115 UTC
by ChrisSmolinski
1 Replies
1814 Views
Last post October 30, 2018, 0123 UTC
by Andrew Yoder
2 Replies
1817 Views
Last post February 18, 2018, 2357 UTC
by ChrisSmolinski
0 Replies
1828 Views
Last post July 17, 2017, 0142 UTC
by Kilokat7
1 Replies
1829 Views
Last post September 25, 2019, 0107 UTC
by Niel Wolfish
0 Replies
1829 Views
Last post May 25, 2013, 0343 UTC
by BDM
0 Replies
1833 Views
Last post November 15, 2018, 0120 UTC
by Kilokat7
3 Replies
1836 Views
Last post December 31, 2022, 1900 UTC
by Shortwave_Listener
5 Replies
1848 Views
Last post February 06, 2022, 2018 UTC
by ChrisSmolinski
6 Replies
1853 Views
Last post October 27, 2019, 1718 UTC
by ChrisSmolinski
7 Replies
1859 Views
Last post January 05, 2020, 0327 UTC
by blw

 

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