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
1 Replies
2462 Views
Last post May 16, 2018, 1623 UTC
by Stretchyman
1 Replies
2334 Views
Last post September 14, 2022, 0105 UTC
by Zoidberg
1 Replies
2874 Views
Last post January 08, 2019, 1613 UTC
by CoolAM Radio
1 Replies
4561 Views
Last post December 11, 2017, 1347 UTC
by R4002
1 Replies
2384 Views
Last post December 08, 2020, 1817 UTC
by syfr
1 Replies
5350 Views
Last post September 09, 2023, 1552 UTC
by Teotwaki
1 Replies
2937 Views
Last post February 23, 2018, 0758 UTC
by Stretchyman
1 Replies
2255 Views
Last post March 22, 2021, 0022 UTC
by Andrew Yoder
1 Replies
2755 Views
Last post April 27, 2018, 1109 UTC
by Rob.
1 Replies
4293 Views
Last post July 28, 2017, 1335 UTC
by Pigmeat
1 Replies
3748 Views
Last post July 23, 2017, 1315 UTC
by HulkSmash
1 Replies
3563 Views
Last post July 22, 2017, 1619 UTC
by HulkSmash
2 Replies
3609 Views
Last post December 30, 2017, 1722 UTC
by digitalmod
2 Replies
4652 Views
Last post May 07, 2019, 2028 UTC
by Stretchyman
2 Replies
3201 Views
Last post November 05, 2017, 2130 UTC
by redhat
Transmitter

Started by RNI

2 Replies
17685 Views
Last post December 08, 2017, 2217 UTC
by digitalmod
2 Replies
2545 Views
Last post February 19, 2021, 1255 UTC
by ChrisSmolinski
2 Replies
4336 Views
Last post May 08, 2019, 1320 UTC
by Teotwaki
2 Replies
4341 Views
Last post March 16, 2019, 0952 UTC
by Stretchyman
2 Replies
3707 Views
Last post April 07, 2019, 1241 UTC
by Laidbackdx

 

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