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
26.540 LSB

Started by HF DXER

1 Replies
770 Views
Last post January 12, 2023, 1204 UTC
by R4002
0 Replies
648 Views
Last post January 12, 2023, 1535 UTC
by R4002
0 Replies
722 Views
Last post January 13, 2023, 1403 UTC
by R4002
27.665 USB

Started by HF DXER

0 Replies
677 Views
Last post January 14, 2023, 1801 UTC
by HF DXER
2 Replies
877 Views
Last post January 14, 2023, 2319 UTC
by HF DXER
1 Replies
936 Views
Last post January 15, 2023, 1913 UTC
by vlf2hf
0 Replies
820 Views
Last post January 15, 2023, 2030 UTC
by radiogaga
1 Replies
971 Views
Last post January 16, 2023, 1515 UTC
by Pigmeat
0 Replies
648 Views
Last post January 16, 2023, 1643 UTC
by RobRich
1 Replies
988 Views
Last post January 16, 2023, 1740 UTC
by ButchKidd
0 Replies
828 Views
Last post January 17, 2023, 1843 UTC
by ButchKidd
0 Replies
806 Views
Last post January 20, 2023, 1201 UTC
by R4002
1 Replies
924 Views
Last post January 23, 2023, 1301 UTC
by Grinch
1 Replies
777 Views
Last post January 29, 2023, 1729 UTC
by manfred
0 Replies
675 Views
Last post January 31, 2023, 0127 UTC
by Paul Turkk
4 Replies
1247 Views
Last post February 02, 2023, 2301 UTC
by Grinch
1 Replies
1263 Views
Last post February 03, 2023, 1038 UTC
by Catflap
25 Replies
18193 Views
Last post February 05, 2023, 1355 UTC
by R4002
0 Replies
942 Views
Last post February 08, 2023, 1643 UTC
by R4002
0 Replies
735 Views
Last post February 09, 2023, 1231 UTC
by RobRich

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns