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
713 Views
Last post May 01, 2025, 1715 UTC
by ThaDood
0 Replies
1169 Views
Last post September 29, 2022, 1901 UTC
by ThaDood
6 Replies
15339 Views
Last post March 26, 2013, 2216 UTC
by ChrisLobdell
65 Replies
45016 Views
Last post October 26, 2020, 1134 UTC
by syfr
New to me R75

Started by mbott

8 Replies
3337 Views
Last post September 08, 2023, 2234 UTC
by JustGreg
1 Replies
2122 Views
Last post October 08, 2014, 1514 UTC
by BoomboxDX
0 Replies
2172 Views
Last post January 21, 2018, 0140 UTC
by myteaquinn
6 Replies
2271 Views
Last post April 28, 2020, 1756 UTC
by ThaDood
12 Replies
2904 Views
Last post January 24, 2020, 0257 UTC
by East Troy Don
3 Replies
2027 Views
Last post May 28, 2022, 0913 UTC
by Ray Lalleu
14 Replies
4891 Views
Last post October 15, 2018, 1607 UTC
by ChrisSmolinski
NOISE Abatement

Started by rdla4

9 Replies
6462 Views
Last post May 28, 2012, 2304 UTC
by rdla4
10 Replies
4148 Views
Last post June 16, 2022, 2025 UTC
by Mad Radio DXer UK
3 Replies
3185 Views
Last post August 28, 2014, 1843 UTC
by glimmer twin
Noise level

Started by BDM

4 Replies
4390 Views
Last post October 28, 2012, 0922 UTC
by Northwest Radio
Noise reduced antenna

Started by rdla4

2 Replies
2732 Views
Last post August 12, 2012, 2321 UTC
by rdla4
6 Replies
2921 Views
Last post January 13, 2023, 0308 UTC
by Pigmeat
7 Replies
4660 Views
Last post March 12, 2014, 0537 UTC
by Intersoundradio
4 Replies
2544 Views
Last post February 07, 2017, 1806 UTC
by BoomboxDX
14 Replies
6060 Views
Last post July 12, 2019, 1337 UTC
by redhat

 

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