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
HM01missing/off the air

Started by 07code04stalker1776

11 Replies
4780 Views
Last post July 16, 2014, 0209 UTC
by glimmer twin
V24 logs, January 2019

Started by Token « 1 2 »

20 Replies
4830 Views
Last post January 26, 2019, 1510 UTC
by MDK2
V13

Started by MaryJohnson

9 Replies
4833 Views
Last post August 23, 2019, 1628 UTC
by Ary-B
0 Replies
4872 Views
Last post December 19, 2009, 1916 UTC
by 4405486
0 Replies
4899 Views
Last post January 26, 2013, 0652 UTC
by Ary-B
8 Replies
4905 Views
Last post October 16, 2019, 2328 UTC
by kalvados
0 Replies
4920 Views
Last post December 22, 2013, 2226 UTC
by SW Observer
0 Replies
5000 Views
Last post December 14, 2013, 0625 UTC
by RobRich
61 Replies
5002 Views
Last post July 11, 2024, 2310 UTC
by kris
3 Replies
5081 Views
Last post October 19, 2013, 1754 UTC
by Ary-B
6605 usb cw

Started by SIGINT

3 Replies
5112 Views
Last post February 27, 2015, 0131 UTC
by Token
22 Replies
5118 Views
Last post December 14, 2018, 0134 UTC
by MDK2
2 Replies
5169 Views
Last post July 31, 2008, 1009 UTC
by cmradio
S06 schedule 2024

Started by kris « 1 2 3 4 »

49 Replies
5175 Views
Last post July 05, 2024, 2218 UTC
by kris
1 Replies
5188 Views
Last post October 01, 2016, 0705 UTC
by Ary-B
61 Replies
5222 Views
Last post February 29, 2024, 1833 UTC
by kris
31 Replies
5247 Views
Last post October 30, 2023, 1001 UTC
by kris
6 Replies
5304 Views
Last post November 01, 2017, 1515 UTC
by Strange Beacons
V07

Started by Ary-B

14 Replies
5355 Views
Last post August 04, 2019, 2319 UTC
by kalvados
11 Replies
5362 Views
Last post January 25, 2017, 1659 UTC
by MDK2

 

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