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
1681 Views
Last post August 22, 2023, 1540 UTC
by ChrisSmolinski
0 Replies
946 Views
Last post April 11, 2023, 0511 UTC
by Shortwave_Listener
1 Replies
1506 Views
Last post July 14, 2023, 1308 UTC
by R4002
0 Replies
1105 Views
Last post August 04, 2023, 1931 UTC
by mike
1 Replies
1193 Views
Last post August 12, 2023, 1621 UTC
by ChrisSmolinski
0 Replies
895 Views
Last post May 28, 2024, 1933 UTC
by R4002
4 Replies
2112 Views
Last post December 03, 2017, 1337 UTC
by R4002
1 Replies
1091 Views
Last post December 05, 2018, 1325 UTC
by R4002
0 Replies
2680 Views
Last post November 10, 2018, 2229 UTC
by aquabat
0 Replies
1164 Views
Last post December 22, 2024, 2310 UTC
by Shortwave_Listener
0 Replies
1029 Views
Last post September 24, 2017, 2031 UTC
by FFM
0 Replies
1045 Views
Last post October 08, 2017, 2329 UTC
by FFM
1 Replies
2200 Views
Last post February 26, 2019, 1612 UTC
by R4002
0 Replies
996 Views
Last post January 06, 2019, 1534 UTC
by ChrisSmolinski
10 Replies
14777 Views
Last post August 13, 2019, 0609 UTC
by BoomboxDX
18 Replies
7151 Views
Last post January 08, 2019, 1843 UTC
by ka1iic
1 Replies
1543 Views
Last post January 27, 2019, 0846 UTC
by Looking-Glass
1 Replies
1362 Views
Last post January 11, 2019, 1942 UTC
by R4002
5 Replies
1763 Views
Last post November 28, 2018, 2010 UTC
by Josh
2 Replies
1852 Views
Last post February 26, 2022, 1759 UTC
by FalaHomma

 

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