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
4765 Views
Last post May 20, 2008, 1828 UTC
by corq
5 Replies
4814 Views
Last post February 17, 2011, 0000 UTC
by cmradio
11 Replies
4819 Views
Last post November 30, 2012, 0014 UTC
by rdla4
1 Replies
4833 Views
Last post June 15, 2008, 1547 UTC
by Zoidberg
9 Replies
4834 Views
Last post July 09, 2015, 1021 UTC
by Oliver
1 Replies
4847 Views
Last post June 03, 2008, 1006 UTC
by Zoidberg
8000 Khz

Started by GTT

2 Replies
4848 Views
Last post August 25, 2008, 1200 UTC
by GTT
3912 KHz - Brodcast station?

Started by cmradio

2 Replies
4848 Views
Last post August 19, 2008, 1851 UTC
by cmradio
22 Replies
4854 Views
Last post June 28, 2019, 1831 UTC
by Josh
3 Replies
4875 Views
Last post February 02, 2014, 0917 UTC
by Chanter
5 Replies
4919 Views
Last post October 29, 2011, 1724 UTC
by Swede P
0 Replies
4979 Views
Last post May 19, 2008, 2107 UTC
by mapleleaf
3 Replies
5004 Views
Last post June 23, 2012, 2215 UTC
by Token
1 Replies
5012 Views
Last post August 13, 2019, 0607 UTC
by BoomboxDX
11 Replies
5120 Views
Last post August 07, 2016, 0527 UTC
by shadypyro
0 Replies
5139 Views
Last post August 19, 2008, 1133 UTC
by Zoidberg
UNID BC, 4460KHz

Started by cmradio

2 Replies
5145 Views
Last post November 29, 2008, 1146 UTC
by cmradio
17 Replies
5146 Views
Last post September 13, 2017, 1603 UTC
by shadypyro
4 Replies
5150 Views
Last post December 25, 2012, 1718 UTC
by jc1974
1 Replies
5215 Views
Last post February 26, 2012, 0459 UTC
by cmradio

 

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