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
2336 Views
Last post November 29, 2020, 0306 UTC
by alleycat
0 Replies
3305 Views
Last post August 09, 2019, 1143 UTC
by ChrisSmolinski
0 Replies
1228 Views
Last post November 03, 2023, 2026 UTC
by R4002
0 Replies
1163 Views
Last post February 05, 2023, 1249 UTC
by R4002
L band monitoring

Started by Josh

0 Replies
3365 Views
Last post September 06, 2019, 1732 UTC
by Josh
0 Replies
1776 Views
Last post February 03, 2024, 1454 UTC
by R4002
255.560 CW

Started by Marcy1

0 Replies
1989 Views
Last post March 27, 2022, 0012 UTC
by Marcy1
0 Replies
2206 Views
Last post November 21, 2019, 0114 UTC
by Boriken
0 Replies
1222 Views
Last post February 19, 2023, 1654 UTC
by Harriku
0 Replies
1241 Views
Last post February 10, 2023, 1057 UTC
by R4002
0 Replies
1186 Views
Last post January 17, 2023, 0017 UTC
by R4002
0 Replies
1216 Views
Last post February 10, 2023, 1743 UTC
by R4002
0 Replies
1997 Views
Last post January 24, 2020, 1742 UTC
by ChrisSmolinski
0 Replies
1213 Views
Last post November 17, 2022, 1520 UTC
by R4002
0 Replies
2127 Views
Last post January 30, 2020, 1324 UTC
by ChrisSmolinski
0 Replies
1200 Views
Last post January 12, 2023, 1927 UTC
by R4002
0 Replies
1539 Views
Last post October 14, 2022, 1645 UTC
by R4002
0 Replies
1449 Views
Last post February 20, 2024, 1225 UTC
by R4002
0 Replies
1557 Views
Last post February 20, 2024, 1229 UTC
by R4002
0 Replies
2267 Views
Last post April 21, 2020, 1040 UTC
by Ct Yankee

 

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