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
1186 Views
Last post April 26, 2017, 1838 UTC
by R4002
0 Replies
1206 Views
Last post October 18, 2017, 1626 UTC
by R4002
1 Replies
1089 Views
Last post January 07, 2019, 2133 UTC
by Josh
0 Replies
1113 Views
Last post October 20, 2017, 0125 UTC
by R4002
0 Replies
942 Views
Last post January 25, 2018, 2314 UTC
by R4002
0 Replies
1389 Views
Last post January 25, 2018, 2324 UTC
by R4002
1 Replies
1761 Views
Last post October 26, 2017, 0346 UTC
by ve6jy
0 Replies
1046 Views
Last post January 25, 2018, 2352 UTC
by R4002
5 Replies
6766 Views
Last post October 14, 2018, 1730 UTC
by Erny
2 Replies
1457 Views
Last post September 14, 2017, 0612 UTC
by R4002
4 Replies
2271 Views
Last post January 27, 2016, 2243 UTC
by ChrisSmolinski
1 Replies
1308 Views
Last post October 25, 2017, 1626 UTC
by prldx
4 Replies
4988 Views
Last post February 15, 2019, 1433 UTC
by sat_dxer
0 Replies
969 Views
Last post January 12, 2019, 2010 UTC
by R4002
3 Replies
1851 Views
Last post October 25, 2017, 1637 UTC
by prldx
0 Replies
1057 Views
Last post January 27, 2018, 2127 UTC
by R4002
4 Replies
2937 Views
Last post March 03, 2025, 1921 UTC
by ZS6AF
2 Replies
2275 Views
Last post June 19, 2020, 1929 UTC
by Matambale
0 Replies
980 Views
Last post January 15, 2019, 2140 UTC
by R4002
0 Replies
960 Views
Last post November 14, 2018, 0007 UTC
by R4002

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground Mug
HFUnderground Mug
by MitchellTimeDesigns