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
5586 Views
Last post September 02, 2024, 2018 UTC
by rbrandi
13 Replies
16603 Views
Last post March 10, 2021, 1447 UTC
by alpard
2 Replies
5741 Views
Last post May 23, 2019, 1824 UTC
by Josh
6 Replies
4456 Views
Last post June 02, 2018, 0342 UTC
by JimIO
3 Replies
4439 Views
Last post May 13, 2013, 0410 UTC
by corq
4 Replies
2673 Views
Last post January 29, 2021, 1114 UTC
by ChrisSmolinski
7 Replies
3751 Views
Last post April 30, 2018, 1731 UTC
by Rob.
5 Replies
3094 Views
Last post January 14, 2021, 1323 UTC
by syfr
6 Replies
6319 Views
Last post October 07, 2016, 2314 UTC
by moof
1 Replies
1934 Views
Last post May 04, 2022, 0249 UTC
by Charlie_Dont_Surf
0 Replies
2996 Views
Last post September 04, 2013, 2003 UTC
by Cesium
8 Replies
8354 Views
Last post October 20, 2014, 2227 UTC
by blw
5 Replies
4570 Views
Last post November 08, 2018, 0338 UTC
by mysticstar
0 Replies
3529 Views
Last post February 07, 2016, 2105 UTC
by BrixtonRadio79
Kiwi questions

Started by Brian

6 Replies
3559 Views
Last post September 19, 2023, 0832 UTC
by Ray Lalleu
Choosing a SDR

Started by brevor

5 Replies
7272 Views
Last post April 11, 2015, 0256 UTC
by oly1959
2 Replies
2441 Views
Last post September 16, 2024, 2350 UTC
by boston_strangler
Linrad on MacOS?

Started by blw

0 Replies
2538 Views
Last post July 13, 2014, 0431 UTC
by blw
3 Replies
1589 Views
Last post March 10, 2024, 2134 UTC
by RobRich
4 Replies
6076 Views
Last post May 01, 2017, 1645 UTC
by Josh

 

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