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
2 Replies
374 Views
Last post Today at 03:41
by Paul B. Walker, Jr.
0 Replies
51 Views
Last post Today at 01:25
by n2avh
3 Replies
252 Views
Last post March 27, 2024, 1237 UTC
by Teotwaki
0 Replies
58 Views
Last post March 27, 2024, 1106 UTC
by Ct Yankee
4 Replies
373 Views
Last post March 26, 2024, 2241 UTC
by Paul B. Walker, Jr.
2 Replies
174 Views
Last post March 26, 2024, 2236 UTC
by Paul B. Walker, Jr.
0 Replies
93 Views
Last post March 25, 2024, 1334 UTC
by MDK2
0 Replies
37 Views
Last post March 24, 2024, 2237 UTC
by tsalisbury0
0 Replies
70 Views
Last post March 24, 2024, 2104 UTC
by n5std
4 Replies
304 Views
Last post March 24, 2024, 2012 UTC
by tsalisbury0
0 Replies
66 Views
Last post March 24, 2024, 2000 UTC
by n5std
2 Replies
313 Views
Last post March 24, 2024, 1505 UTC
by NewHavenStumpJumper
1 Replies
263 Views
Last post March 24, 2024, 1238 UTC
by Fisherman
0 Replies
85 Views
Last post March 23, 2024, 1936 UTC
by tsalisbury0
0 Replies
78 Views
Last post March 23, 2024, 1215 UTC
by ChrisSmolinski
0 Replies
61 Views
Last post March 23, 2024, 0959 UTC
by n2avh
0 Replies
28 Views
Last post March 23, 2024, 0950 UTC
by n2avh
0 Replies
24 Views
Last post March 23, 2024, 0944 UTC
by n2avh
7 Replies
618 Views
Last post March 22, 2024, 2333 UTC
by Skipmuck
1 Replies
119 Views
Last post March 22, 2024, 2131 UTC
by Jari Finland

 

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