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
4924 Views
Last post March 11, 2013, 0702 UTC
by BDM
3 Replies
3828 Views
Last post August 01, 2016, 0909 UTC
by redhat
Grounding SDR receivers

Started by Matt285

4 Replies
3146 Views
Last post October 22, 2019, 1844 UTC
by Josh
0 Replies
2160 Views
Last post September 16, 2019, 1708 UTC
by RST111
1 Replies
4024 Views
Last post September 14, 2019, 0046 UTC
by KaySeeks
3 Replies
8731 Views
Last post August 29, 2013, 0955 UTC
by corq
4 Replies
7131 Views
Last post April 03, 2013, 0047 UTC
by desmoface
6 Replies
13907 Views
Last post December 13, 2013, 1726 UTC
by ChrisSmolinski
0 Replies
3340 Views
Last post December 01, 2013, 2143 UTC
by CoolAM Radio
0 Replies
2715 Views
Last post June 26, 2016, 1302 UTC
by JCMaxwell
10 Replies
6713 Views
Last post December 11, 2020, 0107 UTC
by syfr
4 Replies
7830 Views
Last post December 17, 2019, 2148 UTC
by chanito
3 Replies
6773 Views
Last post November 14, 2013, 2005 UTC
by K5KNT
0 Replies
2241 Views
Last post July 20, 2014, 2136 UTC
by IQ_imbalance
1 Replies
4538 Views
Last post August 26, 2015, 0403 UTC
by skeezix
0 Replies
5646 Views
Last post July 03, 2018, 2023 UTC
by kris
2 Replies
1455 Views
Last post June 21, 2023, 2032 UTC
by ZL/KF6VO
0 Replies
1294 Views
Last post June 17, 2023, 1917 UTC
by IQ_imbalance
4 Replies
6101 Views
Last post May 01, 2017, 1645 UTC
by Josh
4 Replies
2849 Views
Last post November 20, 2017, 2249 UTC
by Pigmeat

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground Mug
HFUnderground Mug
by MitchellTimeDesigns