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
853 Views
Last post January 29, 2019, 2206 UTC
by Ron Hunsicker
7 Replies
731 Views
Last post January 23, 2025, 1930 UTC
by J. Carlos Pérez Montero
0 Replies
1382 Views
Last post February 02, 2015, 1554 UTC
by ChrisSmolinski
1 Replies
818 Views
Last post November 12, 2019, 2122 UTC
by digitalmod
5 Replies
1040 Views
Last post November 30, 2022, 1926 UTC
by Chuck54
2 Replies
16347 Views
Last post November 15, 2013, 2046 UTC
by Mentholyptus
1 Replies
1044 Views
Last post August 23, 2015, 1433 UTC
by ByteBORG
0 Replies
1364 Views
Last post July 06, 2009, 0041 UTC
by ChrisSmolinski
3 Replies
1615 Views
Last post December 18, 2011, 2142 UTC
by Newfoundland DXer
6 Replies
871 Views
Last post March 19, 2023, 1353 UTC
by Kestrel
1 Replies
878 Views
Last post September 03, 2017, 2018 UTC
by R4002
9 Replies
1513 Views
Last post July 14, 2024, 2322 UTC
by NQC
0 Replies
3386 Views
Last post April 18, 2014, 1531 UTC
by ChrisSmolinski
0 Replies
1266 Views
Last post November 29, 2009, 1335 UTC
by ChrisSmolinski
0 Replies
1000 Views
Last post December 18, 2013, 1909 UTC
by ChrisSmolinski
4 Replies
1505 Views
Last post September 21, 2016, 2340 UTC
by DimBulb
2 Replies
940 Views
Last post November 22, 2018, 2317 UTC
by William Hassig
0 Replies
1386 Views
Last post October 02, 2015, 2056 UTC
by ChrisSmolinski
8 Replies
3362 Views
Last post November 09, 2014, 0134 UTC
by Bowman1
9 Replies
1265 Views
Last post March 15, 2024, 2123 UTC
by dxace1

 

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