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
8 Replies
3545 Views
Last post December 04, 2014, 0554 UTC
by redhat
8 Replies
2545 Views
Last post June 02, 2020, 1953 UTC
by pinto vortando
8 Replies
2591 Views
Last post April 05, 2020, 2340 UTC
by Ct Yankee
8 Replies
2039 Views
Last post May 09, 2020, 0131 UTC
by Pigmeat
8 Replies
5752 Views
Last post June 20, 2013, 1321 UTC
by cmradio
8 Replies
1755 Views
Last post October 09, 2018, 1725 UTC
by R4002
8 Replies
2136 Views
Last post May 18, 2020, 2157 UTC
by CoolAM Radio
8 Replies
4041 Views
Last post February 02, 2014, 2147 UTC
by Nella F.
8 Replies
4280 Views
Last post April 17, 2015, 1009 UTC
by diymedia
8 Replies
2935 Views
Last post February 13, 2014, 1917 UTC
by CoolAM Radio
8 Replies
2274 Views
Last post July 04, 2021, 0156 UTC
by NQC
8 Replies
3132 Views
Last post May 30, 2015, 1530 UTC
by ChrisSmolinski
8 Replies
2717 Views
Last post August 30, 2013, 1418 UTC
by BoomboxDX
8 Replies
5511 Views
Last post July 20, 2013, 1302 UTC
by Echo_One
8 Replies
2111 Views
Last post February 19, 2019, 1221 UTC
by Pigmeat
8 Replies
1761 Views
Last post March 31, 2019, 1827 UTC
by Josh
8 Replies
2964 Views
Last post March 24, 2019, 1802 UTC
by Josh
8 Replies
3937 Views
Last post July 31, 2015, 0242 UTC
by Chanter
Dipole antenna seperation

Started by Elf36

8 Replies
1988 Views
Last post October 21, 2022, 1949 UTC
by RobRich
8 Replies
3619 Views
Last post March 14, 2017, 1639 UTC
by Pigmeat

 

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