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
0 Replies
1952 Views
Last post October 13, 2014, 2221 UTC
by AlanC
1 Replies
1952 Views
Last post December 14, 2013, 0556 UTC
by cmradio
2 Replies
1952 Views
Last post April 24, 2014, 0017 UTC
by FFZ
1 Replies
1948 Views
Last post August 21, 2021, 0416 UTC
by Teotwaki
2 Replies
1945 Views
Last post March 26, 2019, 1015 UTC
by Boriken
1 Replies
1944 Views
Last post July 15, 2022, 2235 UTC
by Rob.
3 Replies
1944 Views
Last post November 20, 2018, 1424 UTC
by Teotwaki
2 Replies
1938 Views
Last post October 10, 2021, 0903 UTC
by F-10255
Possible dasher 6200.

Started by 07code04stalker1776

1 Replies
1937 Views
Last post September 09, 2014, 1443 UTC
by 07code04stalker1776
1 Replies
1934 Views
Last post May 16, 2014, 0444 UTC
by Teotwaki
K 4 mc beacon

Started by tesla

1 Replies
1933 Views
Last post January 03, 2017, 0752 UTC
by Looking-Glass
3 Replies
1932 Views
Last post February 19, 2018, 2221 UTC
by cwguy
UFO

Started by dogman

2 Replies
1931 Views
Last post July 19, 2021, 1606 UTC
by syfr
1 Replies
1931 Views
Last post May 04, 2017, 1410 UTC
by mark-n-nut
1 Replies
1928 Views
Last post October 30, 2015, 1615 UTC
by Mingus
M beacon 14417.5 kHz

Started by cowboy

2 Replies
1928 Views
Last post March 25, 2013, 1431 UTC
by cowboy
1 Replies
1925 Views
Last post February 12, 2022, 0039 UTC
by mark-n-nut
2 Replies
1916 Views
Last post April 15, 2023, 0432 UTC
by Teotwaki
2 Replies
1915 Views
Last post January 07, 2017, 2242 UTC
by syfr
3 Replies
1906 Views
Last post February 08, 2014, 0809 UTC
by Rockpicker

 

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