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
8 Replies
2400 Views
Last post June 10, 2017, 0034 UTC
by aquabat
9 Replies
2327 Views
Last post July 16, 2017, 0059 UTC
by blw
12 Replies
3852 Views
Last post February 19, 2017, 1532 UTC
by ChrisSmolinski
15 Replies
3789 Views
Last post April 02, 2016, 1645 UTC
by Yankee Charlie
0 Replies
1041 Views
Last post January 06, 2018, 1805 UTC
by ChrisSmolinski
0 Replies
683 Views
Last post September 09, 2017, 1617 UTC
by ChrisSmolinski
7 Replies
3095 Views
Last post July 15, 2017, 1459 UTC
by ChrisSmolinski
8 Replies
2258 Views
Last post December 23, 2017, 0013 UTC
by ChrisSmolinski
3 Replies
1689 Views
Last post September 03, 2017, 2202 UTC
by Traveling Wave
12 Replies
3307 Views
Last post February 14, 2016, 1610 UTC
by robman501a
8 Replies
1881 Views
Last post January 01, 2018, 0046 UTC
by Yankee Charlie
5 Replies
1710 Views
Last post August 27, 2017, 0050 UTC
by PirateSWL
Pee Wee 6945 USB 0141 UTC 3/12/17

Started by JoeFLIPS

9 Replies
2618 Views
Last post March 12, 2017, 0201 UTC
by Yankee Charlie
9 Replies
1828 Views
Last post May 30, 2016, 1411 UTC
by ChrisSmolinski
6 Replies
1288 Views
Last post May 06, 2019, 2054 UTC
by Andrew Yoder
8 Replies
2014 Views
Last post December 23, 2017, 2354 UTC
by Yankee Charlie
18 Replies
3796 Views
Last post November 12, 2016, 1504 UTC
by ChrisSmolinski
4 Replies
1677 Views
Last post February 20, 2016, 1523 UTC
by ChrisSmolinski
7 Replies
2290 Views
Last post June 23, 2017, 2351 UTC
by PghScanner
12 Replies
2663 Views
Last post April 15, 2017, 1412 UTC
by ChrisSmolinski

 

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