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
UNID 6925 AM 0357 11/15/15

Started by JoeFLIPS

2 Replies
1449 Views
Last post November 15, 2015, 1711 UTC
by ChrisSmolinski
7 Replies
1450 Views
Last post October 21, 2016, 2255 UTC
by Tuco
4 Replies
1450 Views
Last post January 03, 2016, 0237 UTC
by Evil Elvis
2 Replies
1450 Views
Last post May 01, 2011, 0258 UTC
by Pigmeat
0 Replies
1450 Views
Last post October 14, 2008, 0653 UTC
by Zoidberg
Radio For the Common Man

Started by Fansome

0 Replies
1450 Views
Last post August 24, 2008, 0200 UTC
by Fansome
14 Replies
1451 Views
Last post June 29, 2024, 0156 UTC
by W4ASU
12 Replies
1451 Views
Last post January 29, 2024, 2236 UTC
by Andrew Yoder
14 Replies
1451 Views
Last post March 25, 2022, 0004 UTC
by Sarge94
9 Replies
1451 Views
Last post January 02, 2021, 2355 UTC
by Davep
1 Replies
1451 Views
Last post September 08, 2012, 1405 UTC
by ChrisSmolinski
2 Replies
1451 Views
Last post April 30, 2012, 1245 UTC
by Sealord
3 Replies
1451 Views
Last post December 22, 2011, 0042 UTC
by jFarley
1 Replies
1451 Views
Last post October 17, 2011, 2131 UTC
by jFarley
3 Replies
1451 Views
Last post August 09, 2010, 1251 UTC
by SW-J
TCS, 6876am

Started by Zane

1 Replies
1451 Views
Last post February 13, 2010, 1557 UTC
by ChrisSmolinski
9 Replies
1451 Views
Last post March 22, 2020, 0120 UTC
by WA4FHY
8 Replies
1451 Views
Last post August 09, 2019, 0250 UTC
by cheesehed
8 Replies
1451 Views
Last post February 17, 2019, 1411 UTC
by Skipmuck
7 Replies
1451 Views
Last post July 08, 2018, 0553 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 Garden Flag
by MitchellTimeDesigns