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
2648 Views
Last post October 10, 2014, 2328 UTC
by jordan
5 Replies
2643 Views
Last post April 01, 2012, 0136 UTC
by Pigmeat
1 Replies
2642 Views
Last post January 10, 2009, 1536 UTC
by Pigmeat
Propagation

Started by Fansome

0 Replies
2641 Views
Last post July 11, 2008, 2007 UTC
by Fansome
3 Replies
2641 Views
Last post September 14, 2011, 0301 UTC
by DimBulb
4 Replies
2640 Views
Last post November 02, 2025, 1233 UTC
by Antenna101
7 Replies
2640 Views
Last post November 08, 2015, 2025 UTC
by ka1iic
Propagation

Started by Fansome

0 Replies
2640 Views
Last post April 23, 2010, 1843 UTC
by Fansome
2 Replies
2639 Views
Last post May 05, 2009, 0812 UTC
by Zoidberg
7 Replies
2639 Views
Last post September 27, 2013, 1426 UTC
by waveanarchy
0 Replies
2638 Views
Last post September 24, 2008, 0031 UTC
by Fansome
7 Replies
2638 Views
Last post February 09, 2014, 1913 UTC
by Beerus Maximus
4 Replies
2635 Views
Last post September 01, 2025, 1932 UTC
by skeezix
2 Replies
2633 Views
Last post May 20, 2010, 0053 UTC
by cmradio
8 Replies
2632 Views
Last post January 12, 2019, 0100 UTC
by Pigmeat
5 Replies
2630 Views
Last post March 10, 2013, 1934 UTC
by jFarley
8 Replies
2630 Views
Last post May 18, 2018, 2002 UTC
by Pigmeat
8 Replies
2630 Views
Last post June 20, 2016, 2054 UTC
by Pigmeat
4 Replies
2629 Views
Last post May 07, 2018, 2319 UTC
by redhat
11 Replies
2629 Views
Last post May 22, 2018, 1749 UTC
by JimIO

 

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