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
11 Replies
1256 Views
Last post May 06, 2023, 2247 UTC
by K1MLP
7 Replies
611 Views
Last post January 14, 2024, 0138 UTC
by Dr. Strangelove
0 Replies
418 Views
Last post January 13, 2024, 1414 UTC
by ChrisSmolinski
16 Replies
2281 Views
Last post January 16, 2024, 2141 UTC
by Ron Hunsicker
2 Replies
596 Views
Last post November 26, 2022, 1438 UTC
by ChrisSmolinski
2 Replies
1148 Views
Last post December 25, 2014, 2350 UTC
by refmo
48 Replies
16727 Views
Last post May 06, 2013, 1258 UTC
by ChrisSmolinski
WDDR 3440 USB 0147z

Started by Rafman « 1 2 3 4 5 »

63 Replies
15432 Views
Last post January 01, 2016, 0612 UTC
by Thomas Taylor
54 Replies
6810 Views
Last post January 01, 2022, 0626 UTC
by Teotwaki
56 Replies
13790 Views
Last post January 06, 2019, 0751 UTC
by canswl
26 Replies
3330 Views
Last post March 22, 2020, 0310 UTC
by Dr. Strangelove
37 Replies
7247 Views
Last post January 01, 2018, 1234 UTC
by ChrisSmolinski
46 Replies
6457 Views
Last post January 01, 2021, 0617 UTC
by Charlie_Dont_Surf
32 Replies
11134 Views
Last post January 01, 2015, 2112 UTC
by ChrisSmolinski
5 Replies
1146 Views
Last post December 25, 2023, 0211 UTC
by myteaquinn
16 Replies
2427 Views
Last post March 22, 2020, 0458 UTC
by Token
27 Replies
6737 Views
Last post January 01, 2017, 1520 UTC
by ChrisSmolinski
WDDR 6950 USB at 0034 UTC, 7/8/15

Started by oly1959 « 1 2 3 »

33 Replies
12799 Views
Last post July 10, 2015, 0009 UTC
by ByteBORG
53 Replies
5290 Views
Last post August 07, 2022, 2248 UTC
by UncleJohn
48 Replies
7960 Views
Last post July 19, 2020, 1930 UTC
by Chuck54

 

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