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
1187 Views
Last post October 15, 2023, 0443 UTC
by shadypyro
0 Replies
815 Views
Last post October 27, 2024, 1811 UTC
by Shortwave_Listener
2 Replies
2019 Views
Last post May 04, 2012, 2230 UTC
by Mystery
3 Replies
1960 Views
Last post May 09, 2019, 1720 UTC
by Josh
0 Replies
794 Views
Last post January 06, 2016, 2108 UTC
by ChrisSmolinski
2 Replies
1052 Views
Last post June 14, 2019, 0640 UTC
by BoomboxDX
2 Replies
2140 Views
Last post September 05, 2014, 0719 UTC
by BoomboxDX
1 Replies
1323 Views
Last post June 16, 2014, 2223 UTC
by Pigmeat
17 Replies
7721 Views
Last post January 31, 2014, 1423 UTC
by afustikatra
Advice!

Started by Fansome

10 Replies
3705 Views
Last post March 09, 2011, 1336 UTC
by corq
2 Replies
1264 Views
Last post September 22, 2016, 0300 UTC
by BoomboxDX
3 Replies
1297 Views
Last post November 28, 2024, 2150 UTC
by RobRich
Aes closing?

Started by desmoface

2 Replies
1776 Views
Last post July 07, 2016, 1903 UTC
by ByteBORG
4 Replies
2207 Views
Last post February 04, 2022, 2333 UTC
by Ct Yankee
9 Replies
4618 Views
Last post January 31, 2010, 1451 UTC
by Tube Shortwave
6 Replies
2384 Views
Last post May 23, 2014, 1904 UTC
by ka1iic
2 Replies
998 Views
Last post September 05, 2020, 0723 UTC
by ThaDood
6 Replies
1845 Views
Last post June 10, 2019, 1903 UTC
by Josh
5 Replies
2055 Views
Last post May 17, 2016, 0135 UTC
by BoomboxDX
19 Replies
7462 Views
Last post February 15, 2016, 2309 UTC
by redhat

 

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