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
8 Replies
3155 Views
Last post November 22, 2020, 2303 UTC
by boston_strangler
3 Replies
2023 Views
Last post November 23, 2020, 1614 UTC
by RobRich
1 Replies
1635 Views
Last post November 27, 2020, 0133 UTC
by redhat
RFSpace

Started by NJQA

0 Replies
1521 Views
Last post November 28, 2020, 1915 UTC
by NJQA
4 Replies
2703 Views
Last post December 17, 2020, 0140 UTC
by dieselten
16 Replies
6133 Views
Last post December 29, 2020, 0250 UTC
by CoolAM Radio
1 Replies
1822 Views
Last post January 05, 2021, 1853 UTC
by ChrisSmolinski
55 Replies
20367 Views
Last post January 09, 2021, 1556 UTC
by alpard
0 Replies
1482 Views
Last post January 28, 2021, 1614 UTC
by Mateo32
6 Replies
2465 Views
Last post January 30, 2021, 1610 UTC
by chanito
15 Replies
4310 Views
Last post February 10, 2021, 0506 UTC
by Under30
1 Replies
1545 Views
Last post February 12, 2021, 1833 UTC
by Brian
6 Replies
5860 Views
Last post February 28, 2021, 1433 UTC
by Rob.
3 Replies
1900 Views
Last post March 04, 2021, 2354 UTC
by Jason
2 Replies
1470 Views
Last post March 10, 2021, 0047 UTC
by KidForToday
2 Replies
1926 Views
Last post March 30, 2021, 2324 UTC
by ShamS
16 Replies
5849 Views
Last post April 04, 2021, 1725 UTC
by chanito
4 Replies
2323 Views
Last post April 07, 2021, 0208 UTC
by CoolAM Radio
4 Replies
2329 Views
Last post April 08, 2021, 2223 UTC
by Ray Lalleu
7 Replies
2365 Views
Last post April 11, 2021, 1325 UTC
by syfr

 

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