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
2 Replies
1344 Views
Last post October 11, 2012, 0959 UTC
by Rafman
10 Replies
2781 Views
Last post March 11, 2013, 0004 UTC
by Rafman
Standing by

Started by Rafman

3 Replies
1680 Views
Last post March 23, 2012, 0213 UTC
by zackers
6 Replies
1883 Views
Last post March 27, 2013, 1216 UTC
by ChrisSmolinski
18 Replies
5609 Views
Last post March 29, 2015, 1842 UTC
by redhat
10 Replies
3230 Views
Last post April 24, 2012, 1448 UTC
by ChrisSmolinski
3 Replies
1024 Views
Last post November 27, 2015, 2226 UTC
by Kilokat7
8 Replies
2623 Views
Last post May 04, 2013, 0140 UTC
by Ragnar
10 Replies
4583 Views
Last post September 20, 2015, 1912 UTC
by ChrisSmolinski
6 Replies
1961 Views
Last post March 08, 2015, 1509 UTC
by ChrisSmolinski
7 Replies
1829 Views
Last post March 04, 2016, 1707 UTC
by R4002
11 Replies
3246 Views
Last post April 14, 2013, 0015 UTC
by DimBulb
6 Replies
2086 Views
Last post August 22, 2014, 0039 UTC
by ByteBORG
32 Replies
10736 Views
Last post January 01, 2015, 2112 UTC
by ChrisSmolinski
0 Replies
1286 Views
Last post October 11, 2010, 0346 UTC
by Rafman
4 Replies
1453 Views
Last post March 27, 2013, 1210 UTC
by ChrisSmolinski
3 Replies
1764 Views
Last post September 26, 2015, 1425 UTC
by ChrisSmolinski
2 Replies
1128 Views
Last post October 16, 2016, 0245 UTC
by MDK2
6 Replies
1887 Views
Last post March 08, 2015, 1511 UTC
by ChrisSmolinski
2 Replies
1303 Views
Last post August 06, 2014, 1529 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