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
2 Replies
1467 Views
Last post November 30, 2019, 2344 UTC
by Roykirk
0 Replies
1469 Views
Last post May 06, 2017, 2340 UTC
by Gino Italy
2 Replies
1469 Views
Last post March 10, 2021, 0047 UTC
by KidForToday
1 Replies
1471 Views
Last post February 22, 2018, 1732 UTC
by Josh
0 Replies
1479 Views
Last post January 28, 2021, 1614 UTC
by Mateo32
0 Replies
1480 Views
Last post March 09, 2015, 0030 UTC
by Fansome
0 Replies
1482 Views
Last post July 19, 2018, 1535 UTC
by ThaDood
3 Replies
1491 Views
Last post June 14, 2019, 2056 UTC
by Josh
0 Replies
1493 Views
Last post September 13, 2022, 1444 UTC
by kris
Blackcat 22M Xmtr

Started by NJQA

2 Replies
1504 Views
Last post May 23, 2021, 2243 UTC
by syfr
1 Replies
1511 Views
Last post September 03, 2017, 2143 UTC
by ChrisSmolinski
3 Replies
1516 Views
Last post June 04, 2019, 2023 UTC
by i_hear_you
RFSpace

Started by NJQA

0 Replies
1519 Views
Last post November 28, 2020, 1915 UTC
by NJQA
2 Replies
1519 Views
Last post February 16, 2024, 2044 UTC
by bumblefukery
NRD-630

Started by myteaquinn

0 Replies
1531 Views
Last post February 18, 2017, 1808 UTC
by myteaquinn
1 Replies
1534 Views
Last post April 01, 2024, 1335 UTC
by redhat
1 Replies
1535 Views
Last post December 20, 2017, 2117 UTC
by digitalmod
1 Replies
1537 Views
Last post January 14, 2018, 2349 UTC
by pinto vortando
1 Replies
1540 Views
Last post February 12, 2021, 1833 UTC
by Brian
1 Replies
1550 Views
Last post September 06, 2019, 1741 UTC
by Josh

 

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