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
521 Views
Last post September 28, 2019, 1836 UTC
by ChrisSmolinski
0 Replies
1039 Views
Last post August 07, 2011, 0125 UTC
by ChrisSmolinski
1 Replies
358 Views
Last post April 16, 2023, 1418 UTC
by K1MLP
0 Replies
375 Views
Last post October 30, 2020, 1936 UTC
by ChrisSmolinski
5 Replies
1135 Views
Last post May 07, 2019, 0147 UTC
by MDK2
4 Replies
1126 Views
Last post February 05, 2017, 2005 UTC
by refmo
1 Replies
457 Views
Last post October 01, 2022, 1451 UTC
by Pigmeat
0 Replies
706 Views
Last post December 08, 2012, 1302 UTC
by ChrisSmolinski
0 Replies
691 Views
Last post April 21, 2016, 1402 UTC
by ChrisSmolinski
0 Replies
411 Views
Last post March 11, 2024, 1214 UTC
by ChrisSmolinski
2 Replies
1247 Views
Last post January 23, 2012, 1619 UTC
by S. McArdle
8 Replies
1218 Views
Last post December 28, 2022, 2120 UTC
by Pigmeat
5 Replies
1759 Views
Last post September 27, 2015, 0236 UTC
by RCCI
5 Replies
1216 Views
Last post November 17, 2018, 2131 UTC
by Traveling Wave
0 Replies
983 Views
Last post December 14, 2013, 1642 UTC
by ChrisSmolinski
0 Replies
638 Views
Last post December 25, 2015, 1621 UTC
by ChrisSmolinski
2 Replies
1342 Views
Last post July 09, 2024, 2116 UTC
by N2MLP
2 Replies
1300 Views
Last post March 22, 2015, 1930 UTC
by ChrisSmolinski
3 Replies
828 Views
Last post May 19, 2018, 2013 UTC
by refmo
10 Replies
2782 Views
Last post August 14, 2013, 2051 UTC
by zackers

 

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