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
3 Replies
2471 Views
Last post March 28, 2023, 1301 UTC
by ~SIGINT~
3 Replies
2468 Views
Last post April 23, 2019, 1804 UTC
by Josh
3 Replies
2449 Views
Last post October 11, 2020, 0749 UTC
by SV1XV
1 Replies
2404 Views
Last post April 06, 2019, 1540 UTC
by fpeconsultant
2 Replies
2393 Views
Last post December 31, 2020, 2126 UTC
by fpeconsultant
0 Replies
2392 Views
Last post January 27, 2024, 2031 UTC
by IrvingtonVFD43
0 Replies
2355 Views
Last post April 06, 2020, 1413 UTC
by sdruzer
3 Replies
2343 Views
Last post January 06, 2022, 1722 UTC
by MDK2
0 Replies
2268 Views
Last post March 31, 2019, 2120 UTC
by Skipmuck
0 Replies
2268 Views
Last post September 16, 2019, 1913 UTC
by ChrisSmolinski
3 Replies
2264 Views
Last post March 24, 2022, 0754 UTC
by ZHaunDK
2 Replies
2256 Views
Last post June 06, 2019, 2306 UTC
by Skipmuck
0 Replies
2248 Views
Last post March 31, 2019, 1511 UTC
by Skipmuck
2 Replies
2235 Views
Last post June 12, 2020, 2245 UTC
by sat_dxer
4 Replies
2231 Views
Last post September 15, 2019, 1732 UTC
by Josh
0 Replies
2222 Views
Last post March 31, 2019, 1951 UTC
by Skipmuck
1 Replies
2222 Views
Last post April 02, 2019, 2003 UTC
by fpeconsultant
4 Replies
2219 Views
Last post April 30, 2021, 2346 UTC
by circuitmike
1 Replies
2206 Views
Last post April 03, 2019, 0015 UTC
by fpeconsultant
2 Replies
2200 Views
Last post June 15, 2019, 2043 UTC
by Skipmuck

 

Normal Topic
Hot Topic (More than 15 replies)
Very Hot Topic (More than 25 replies)

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground T-Shirt
by MitchellTimeDesigns