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
0 Replies
2642 Views
Last post August 25, 2012, 1159 UTC
by weatherall
0 Replies
1730 Views
Last post June 30, 2013, 0215 UTC
by Kilokat7
0 Replies
1433 Views
Last post August 18, 2013, 2248 UTC
by Bill F
0 Replies
2247 Views
Last post December 04, 2012, 2323 UTC
by rdla4
0 Replies
2608 Views
Last post July 31, 2012, 1142 UTC
by Sealord
0 Replies
2145 Views
Last post January 21, 2013, 1934 UTC
by ChrisSmolinski
0 Replies
2343 Views
Last post November 03, 2012, 1340 UTC
by ChrisSmolinski
0 Replies
2495 Views
Last post January 07, 2013, 1639 UTC
by ChrisSmolinski
0 Replies
302 Views
Last post November 21, 2025, 1910 UTC
by Sealord
0 Replies
1551 Views
Last post June 02, 2013, 1612 UTC
by ChrisSmolinski
0 Replies
2604 Views
Last post June 02, 2012, 0458 UTC
by Asuyuka
0 Replies
2837 Views
Last post May 31, 2012, 0054 UTC
by rdla4
0 Replies
1457 Views
Last post December 23, 2013, 2326 UTC
by JohnnyX50
0 Replies
3446 Views
Last post May 18, 2012, 1047 UTC
by Sealord
0 Replies
2168 Views
Last post March 28, 2013, 1712 UTC
by ChrisSmolinski
0 Replies
2253 Views
Last post September 30, 2012, 1535 UTC
by ChrisSmolinski
0 Replies
2746 Views
Last post May 12, 2012, 2117 UTC
by ChrisSmolinski
0 Replies
1185 Views
Last post December 03, 2013, 1424 UTC
by ChrisSmolinski
0 Replies
2544 Views
Last post April 26, 2012, 0209 UTC
by Zoidberg
0 Replies
2186 Views
Last post December 28, 2012, 2055 UTC
by jFarley

 

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