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
6 Replies
6495 Views
Last post March 07, 2012, 0322 UTC
by chucks
1 Replies
3542 Views
Last post April 07, 2009, 1206 UTC
by cmradio
1 Replies
1848 Views
Last post December 19, 2013, 1210 UTC
by cmradio
0 Replies
1340 Views
Last post December 01, 2017, 2029 UTC
by ChrisSmolinski
2 Replies
1786 Views
Last post January 15, 2016, 1429 UTC
by JCMaxwell
0 Replies
1443 Views
Last post May 12, 2013, 1608 UTC
by ChrisSmolinski
2 Replies
2171 Views
Last post October 02, 2015, 0707 UTC
by Mingus
0 Replies
1273 Views
Last post September 26, 2016, 1120 UTC
by ChrisSmolinski
4 Replies
2235 Views
Last post February 10, 2021, 1240 UTC
by ChrisSmolinski
0 Replies
2715 Views
Last post February 05, 2012, 1622 UTC
by ChrisSmolinski
0 Replies
3696 Views
Last post April 07, 2009, 1028 UTC
by ChrisSmolinski
3 Replies
2538 Views
Last post February 03, 2019, 1237 UTC
by ChrisSmolinski
2 Replies
1718 Views
Last post March 08, 2014, 1510 UTC
by ChrisSmolinski
0 Replies
2414 Views
Last post July 23, 2010, 1511 UTC
by ChrisSmolinski
5 Replies
2223 Views
Last post December 24, 2017, 2037 UTC
by tesla
0 Replies
1331 Views
Last post January 10, 2016, 1743 UTC
by ChrisSmolinski
3 Replies
2067 Views
Last post September 26, 2016, 2141 UTC
by ChrisSmolinski
0 Replies
2546 Views
Last post February 04, 2012, 1956 UTC
by ChrisSmolinski
7 Replies
3204 Views
Last post February 11, 2019, 1039 UTC
by ChrisSmolinski
1 Replies
1453 Views
Last post November 24, 2017, 2331 UTC
by tesla

 

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