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
4 Replies
5652 Views
Last post April 02, 2017, 1414 UTC
by Josh
7 Replies
5644 Views
Last post May 14, 2019, 2355 UTC
by Token
2 Replies
5620 Views
Last post April 15, 2016, 1810 UTC
by ZL/KF6VO
3 Replies
5585 Views
Last post October 30, 2024, 2320 UTC
by osiris
2 Replies
5552 Views
Last post December 08, 2024, 0017 UTC
by RobRich
2 Replies
5493 Views
Last post August 29, 2015, 0346 UTC
by NN4F
4 Replies
5460 Views
Last post September 05, 2014, 0332 UTC
by Antennae
4 Replies
5459 Views
Last post October 20, 2014, 2218 UTC
by blw
8 Replies
5348 Views
Last post December 27, 2016, 2159 UTC
by ChrisSmolinski
4 Replies
5340 Views
Last post March 06, 2016, 1523 UTC
by vhavrilko
3 Replies
5278 Views
Last post January 13, 2018, 2154 UTC
by IQ_imbalance
1 Replies
5255 Views
Last post March 11, 2013, 0702 UTC
by BDM
5 Replies
5132 Views
Last post September 10, 2019, 0455 UTC
by RST111
Taking the SDR plunge

Started by rdla4

4 Replies
5112 Views
Last post April 17, 2013, 2311 UTC
by rdla4
0 Replies
5086 Views
Last post May 22, 2016, 2150 UTC
by Rafman
First SDR receiver

Started by Matt285

11 Replies
5065 Views
Last post February 10, 2020, 1940 UTC
by nickcarr3151
0 Replies
5049 Views
Last post February 10, 2013, 2006 UTC
by ChrisSmolinski
4 Replies
5018 Views
Last post March 12, 2019, 1819 UTC
by mysticstar
2 Replies
5015 Views
Last post March 12, 2019, 1831 UTC
by Josh
4 Replies
5008 Views
Last post January 08, 2021, 1225 UTC
by RobRich

 

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