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
1034 Views
Last post November 27, 2018, 2335 UTC
by R4002
1 Replies
1282 Views
Last post July 03, 2022, 1342 UTC
by ChrisSmolinski
0 Replies
1053 Views
Last post August 14, 2020, 1731 UTC
by ChrisSmolinski
8 Replies
2362 Views
Last post June 16, 2023, 2035 UTC
by Pigmeat
0 Replies
1190 Views
Last post November 03, 2023, 2324 UTC
by Charlie_Dont_Surf
0 Replies
1115 Views
Last post April 07, 2023, 2254 UTC
by Charlie_Dont_Surf
4 Replies
8043 Views
Last post July 11, 2025, 2050 UTC
by NQC
1 Replies
1620 Views
Last post December 01, 2019, 2249 UTC
by ChrisSmolinski
2 Replies
1210 Views
Last post September 07, 2024, 0325 UTC
by canswl
0 Replies
1620 Views
Last post June 18, 2017, 1156 UTC
by ByteBORG
0 Replies
802 Views
Last post November 28, 2022, 0825 UTC
by ButchKidd
1 Replies
24169 Views
Last post August 23, 2019, 1825 UTC
by R4002
1 Replies
915 Views
Last post November 17, 2024, 0013 UTC
by Shortwave_Listener
0 Replies
2298 Views
Last post March 17, 2025, 2302 UTC
by boston_strangler
3 Replies
2480 Views
Last post January 08, 2025, 2244 UTC
by ChrisSmolinski
3 Replies
1318 Views
Last post March 23, 2024, 2354 UTC
by Skipmuck
6 Replies
945 Views
Last post August 31, 2025, 1405 UTC
by N2MLP
1 Replies
1194 Views
Last post April 08, 2023, 1922 UTC
by Shortwave_Listener
1 Replies
1662 Views
Last post August 16, 2020, 1838 UTC
by ChrisSmolinski
0 Replies
884 Views
Last post September 13, 2024, 1711 UTC
by bgqman

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground Mug
HFUnderground Mug
by MitchellTimeDesigns