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
2 Replies
1433 Views
Last post May 23, 2014, 1439 UTC
by Warkite
2 Replies
1858 Views
Last post June 05, 2016, 2057 UTC
by EA2NR
2 Replies
1369 Views
Last post May 11, 2014, 1620 UTC
by ka1iic
2 Replies
1134 Views
Last post May 12, 2020, 2218 UTC
by kris
2 Replies
1512 Views
Last post April 28, 2014, 1213 UTC
by ChrisSmolinski
2 Replies
1378 Views
Last post April 21, 2014, 1729 UTC
by ka1iic
2 Replies
1673 Views
Last post April 18, 2020, 1321 UTC
by chanito
2 Replies
1569 Views
Last post April 22, 2014, 0259 UTC
by Token
2 Replies
3663 Views
Last post March 05, 2016, 0055 UTC
by Looking-Glass
2 Replies
1482 Views
Last post April 26, 2014, 1830 UTC
by glimmer twin
2 Replies
1163 Views
Last post February 06, 2020, 2208 UTC
by Matt285
2 Replies
4328 Views
Last post April 07, 2014, 1818 UTC
by tybrad
2 Replies
991 Views
Last post January 06, 2020, 1118 UTC
by kris
2 Replies
989 Views
Last post December 09, 2019, 0307 UTC
by WA4FHY
2 Replies
1246 Views
Last post April 02, 2014, 0340 UTC
by Chanter
2 Replies
2015 Views
Last post September 24, 2019, 2336 UTC
by Looking-Glass
2 Replies
8332 Views
Last post August 17, 2019, 1605 UTC
by ThElectriCat
2 Replies
2495 Views
Last post July 22, 2019, 1544 UTC
by R4002
2 Replies
1331 Views
Last post March 19, 2014, 2242 UTC
by myteaquinn
2 Replies
1785 Views
Last post March 17, 2014, 1239 UTC
by DX_Pathfinder

 

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