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
1 Replies
1042 Views
Last post October 30, 2015, 1421 UTC
by ChrisSmolinski
1 Replies
773 Views
Last post July 08, 2017, 0025 UTC
by refmo
1 Replies
1355 Views
Last post January 15, 2015, 0244 UTC
by Dick Weed
1 Replies
648 Views
Last post March 02, 2019, 1843 UTC
by ChrisSmolinski
1 Replies
1301 Views
Last post January 01, 2014, 0536 UTC
by S. McArdle
1 Replies
942 Views
Last post December 05, 2018, 2223 UTC
by 8 tattoos
1 Replies
715 Views
Last post July 31, 2017, 2326 UTC
by PirateSWL
UNID 6940U 0054 UTC 01-01-14

Started by rdla4

1 Replies
1061 Views
Last post January 01, 2014, 1325 UTC
by refmo
1 Replies
1224 Views
Last post June 23, 2017, 1203 UTC
by ChrisSmolinski
1 Replies
1286 Views
Last post December 31, 2013, 2349 UTC
by RCCI
1 Replies
1270 Views
Last post December 31, 2013, 2358 UTC
by STF_RI
1 Replies
1100 Views
Last post June 24, 2017, 1601 UTC
by ChrisSmolinski
1 Replies
1023 Views
Last post December 30, 2013, 1916 UTC
by rdla4
1 Replies
861 Views
Last post December 30, 2013, 2017 UTC
by Mentholyptus
1 Replies
673 Views
Last post February 16, 2020, 1919 UTC
by MDK2
1 Replies
2207 Views
Last post December 29, 2013, 1500 UTC
by ChrisSmolinski
1 Replies
1714 Views
Last post December 28, 2013, 1723 UTC
by ChrisSmolinski
1 Replies
754 Views
Last post March 01, 2020, 1742 UTC
by Big Badfish Al
1 Replies
1336 Views
Last post December 27, 2013, 1754 UTC
by BDM
1 Replies
1119 Views
Last post July 05, 2015, 1557 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 House Flag
by MitchellTimeDesigns