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
5 Replies
1850 Views
Last post March 08, 2017, 1742 UTC
by Josh
7 Replies
1499 Views
Last post July 01, 2019, 0534 UTC
by Pigmeat
1 Replies
969 Views
Last post February 29, 2016, 1653 UTC
by Pigmeat
0 Replies
1409 Views
Last post June 13, 2011, 2044 UTC
by Fansome
random radio

Started by DOCTOR

0 Replies
1779 Views
Last post October 26, 2009, 0130 UTC
by DOCTOR
0 Replies
900 Views
Last post November 22, 2014, 1608 UTC
by ka1iic
3 Replies
3341 Views
Last post March 20, 2015, 0449 UTC
by Fansome
0 Replies
1727 Views
Last post January 08, 2012, 1903 UTC
by UNID QRP
6 Replies
3144 Views
Last post June 23, 2012, 0448 UTC
by .
3 Replies
1973 Views
Last post September 14, 2014, 0035 UTC
by ff
10 Replies
2730 Views
Last post March 11, 2017, 1724 UTC
by Josh
2 Replies
2327 Views
Last post February 04, 2015, 0030 UTC
by Nella F.
6 Replies
1969 Views
Last post March 07, 2014, 0452 UTC
by AbnersFarm
1 Replies
1379 Views
Last post March 13, 2016, 1741 UTC
by redhat
Radio-Free Swat Valley

Started by Fansome

0 Replies
2036 Views
Last post March 30, 2009, 2010 UTC
by Fansome
1 Replies
640 Views
Last post February 22, 2024, 0108 UTC
by skeezix
1 Replies
1672 Views
Last post February 22, 2017, 0134 UTC
by skeezix
2 Replies
2241 Views
Last post February 12, 2015, 0705 UTC
by Chanter
2 Replies
1561 Views
Last post March 25, 2025, 0200 UTC
by n2avh
1 Replies
1892 Views
Last post August 06, 2011, 2153 UTC
by Zoidberg

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns