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
1006 Views
Last post March 26, 2014, 0115 UTC
by N8OOU
0 Replies
1043 Views
Last post January 21, 2013, 1934 UTC
by ChrisSmolinski
0 Replies
1006 Views
Last post April 04, 2014, 1903 UTC
by ka1iic
0 Replies
916 Views
Last post January 01, 2014, 1805 UTC
by ChrisSmolinski
0 Replies
1027 Views
Last post March 26, 2014, 0411 UTC
by Fried Chickin'
0 Replies
1099 Views
Last post December 19, 2012, 1352 UTC
by ChrisSmolinski
14742 LSB @ 1940 UTC 12-20-12

Started by jc1974

0 Replies
1253 Views
Last post December 20, 2012, 1943 UTC
by jc1974
14880 USB @ 1452 UTC 12-21-12

Started by jc1974

0 Replies
1245 Views
Last post December 21, 2012, 1456 UTC
by jc1974
0 Replies
1352 Views
Last post April 02, 2014, 0334 UTC
by Chanter
6248 LSB 1122 UTC 12-27-2012

Started by jc1974

0 Replies
1317 Views
Last post December 27, 2012, 1516 UTC
by jc1974
0 Replies
1136 Views
Last post March 25, 2013, 2316 UTC
by rdla4
0 Replies
1072 Views
Last post December 28, 2012, 2055 UTC
by jFarley
0 Replies
997 Views
Last post December 28, 2012, 2304 UTC
by rdla4
0 Replies
1142 Views
Last post January 01, 2013, 2012 UTC
by ChrisSmolinski
Pulsing on 11m

Started by Nyquist

0 Replies
1222 Views
Last post January 02, 2013, 2230 UTC
by Nyquist
0 Replies
1111 Views
Last post November 20, 2013, 0208 UTC
by SW Observer
0 Replies
1267 Views
Last post January 07, 2013, 1639 UTC
by ChrisSmolinski
0 Replies
1002 Views
Last post September 28, 2013, 0234 UTC
by OldSeaRock
0 Replies
1040 Views
Last post September 11, 2013, 1211 UTC
by ChrisSmolinski
0 Replies
1651 Views
Last post March 28, 2013, 1712 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 Garden Flag
by MitchellTimeDesigns