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
Colorado dasher being tested

Started by beaconman

0 Replies
5534 Views
Last post March 19, 2009, 2105 UTC
by beaconman
6 Replies
5587 Views
Last post May 05, 2009, 0328 UTC
by cmradio
CO

Started by ChrisSmolinski

7 Replies
5602 Views
Last post May 02, 2009, 1317 UTC
by beaconman
10 Replies
5682 Views
Last post December 27, 2013, 1618 UTC
by tesla
beacon on 11.428

Started by syfr

11 Replies
5696 Views
Last post December 31, 2011, 2053 UTC
by L Cee
7 Replies
5697 Views
Last post November 16, 2015, 0432 UTC
by Frank5000
1 Replies
5709 Views
Last post March 19, 2009, 2108 UTC
by beaconman
10 Replies
5726 Views
Last post October 20, 2009, 2126 UTC
by Token
1 Replies
5732 Views
Last post April 05, 2009, 1718 UTC
by beaconman
1 Replies
5806 Views
Last post March 19, 2009, 2112 UTC
by beaconman
Hiker 8005

Started by Teotwaki « 1 2 »

18 Replies
5825 Views
Last post July 06, 2021, 0047 UTC
by dogman
1 Replies
5841 Views
Last post February 12, 2014, 0635 UTC
by Ary-B
15 Replies
5848 Views
Last post June 01, 2016, 0212 UTC
by Teotwaki
4 Replies
5863 Views
Last post April 14, 2014, 1651 UTC
by Strange Beacons
GNK Legal part 15 beacon 3-4MW beacon

Started by Greenfroggy

6 Replies
5957 Views
Last post January 09, 2014, 1342 UTC
by ChrisSmolinski
W ... windy...

Started by cmradio

0 Replies
5990 Views
Last post April 11, 2009, 2244 UTC
by cmradio
13 Replies
6006 Views
Last post December 07, 2012, 1605 UTC
by sat_dxer
ZN 4070.38

Started by tesla « 1 2 »

18 Replies
6038 Views
Last post April 06, 2017, 1137 UTC
by tesla
6 Replies
6063 Views
Last post May 31, 2009, 1844 UTC
by Token
13 Replies
6088 Views
Last post November 22, 2009, 2054 UTC
by beaconman

 

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