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
1814 Views
Last post March 14, 2016, 0002 UTC
by JCMaxwell
1 Replies
1768 Views
Last post July 14, 2018, 0451 UTC
by KaySeeks
1 Replies
1723 Views
Last post June 20, 2018, 1531 UTC
by Davep
1 Replies
2513 Views
Last post February 12, 2017, 1549 UTC
by flexoman61
1 Replies
2518 Views
Last post February 05, 2016, 1926 UTC
by flexoman61
1 Replies
1731 Views
Last post April 16, 2018, 1952 UTC
by sat_dxer
1 Replies
1976 Views
Last post January 16, 2016, 2032 UTC
by flexoman61
1 Replies
2017 Views
Last post January 07, 2016, 1151 UTC
by ChrisSmolinski
1 Replies
1328 Views
Last post March 11, 2018, 0221 UTC
by Helicaster
1 Replies
1459 Views
Last post December 23, 2015, 1713 UTC
by EliteData
1 Replies
1614 Views
Last post February 12, 2018, 2018 UTC
by ChrisSmolinski
1 Replies
1360 Views
Last post December 20, 2015, 1605 UTC
by ChrisSmolinski
1 Replies
1431 Views
Last post December 07, 2015, 0256 UTC
by slowtrain
1 Replies
1327 Views
Last post March 10, 2022, 1412 UTC
by NQC
3242U question?

Started by rec/cat7610

1 Replies
964 Views
Last post February 07, 2022, 1202 UTC
by rec/cat7610
1 Replies
1167 Views
Last post January 18, 2022, 2352 UTC
by kris
1 Replies
1695 Views
Last post September 23, 2014, 0041 UTC
by Rafman
1 Replies
1651 Views
Last post September 15, 2014, 2259 UTC
by refmo
1 Replies
1801 Views
Last post September 08, 2014, 0007 UTC
by rdla4
1 Replies
2278 Views
Last post August 25, 2014, 1329 UTC
by 07code04stalker1776

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground T-Shirt
by MitchellTimeDesigns