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
4 Replies
1121 Views
Last post January 11, 2022, 2238 UTC
by Josh
23 Replies
4573 Views
Last post January 11, 2022, 2300 UTC
by Josh
5 Replies
1589 Views
Last post January 16, 2022, 0009 UTC
by kris
12 Replies
2179 Views
Last post January 16, 2022, 2143 UTC
by Elf36
5 Replies
2969 Views
Last post January 21, 2022, 2204 UTC
by JustGreg
16 Replies
3384 Views
Last post January 27, 2022, 2345 UTC
by East Troy Don
5 Replies
1670 Views
Last post January 31, 2022, 0347 UTC
by RobRich
7 Replies
2403 Views
Last post February 05, 2022, 0029 UTC
by RobRich
5 Replies
1268 Views
Last post February 05, 2022, 2345 UTC
by ~SIGINT~
24 Replies
8395 Views
Last post February 08, 2022, 0025 UTC
by Erik Mattson
NanoVNA battery question

Started by Elf36

2 Replies
890 Views
Last post February 13, 2022, 2313 UTC
by Elf36
9 Replies
1784 Views
Last post February 13, 2022, 2342 UTC
by JustGreg
5 Replies
1660 Views
Last post February 14, 2022, 0151 UTC
by MegatonRange
8 Replies
1848 Views
Last post February 22, 2022, 2107 UTC
by Polar Bear
3 Replies
1860 Views
Last post February 22, 2022, 2109 UTC
by Polar Bear
'CB' amplifier for HF

Started by Elf36

14 Replies
3421 Views
Last post February 23, 2022, 0131 UTC
by radiogaga
5 Replies
1593 Views
Last post February 23, 2022, 0321 UTC
by Radio Krasnoprudskoe
6 Replies
2861 Views
Last post February 23, 2022, 0334 UTC
by liduck
8 Replies
1801 Views
Last post March 02, 2022, 1831 UTC
by Stretchyman
1 Replies
1133 Views
Last post March 06, 2022, 1838 UTC
by JustGreg

 

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