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
2499 Views
Last post July 14, 2013, 1815 UTC
by ChrisLobdell
0 Replies
1804 Views
Last post December 06, 2012, 0131 UTC
by ChrisLobdell
0 Replies
2420 Views
Last post January 14, 2013, 2329 UTC
by ChrisLobdell
1 Replies
1563 Views
Last post October 11, 2014, 1343 UTC
by Skipmuck
0 Replies
612 Views
Last post September 06, 2020, 0248 UTC
by ChrisLobdell
0 Replies
1570 Views
Last post June 06, 2016, 2345 UTC
by ChrisLobdell
1 Replies
566 Views
Last post March 06, 2024, 1437 UTC
by Radio Star
2 Replies
828 Views
Last post October 14, 2023, 1542 UTC
by Radio Star
1 Replies
618 Views
Last post April 15, 2020, 1311 UTC
by CoolAM Radio
2 Replies
629 Views
Last post July 18, 2022, 1735 UTC
by Shortwave_Listener
3 Replies
890 Views
Last post October 31, 2021, 0201 UTC
by Molvania Poacher
1 Replies
653 Views
Last post May 16, 2021, 1832 UTC
by Radio Star
0 Replies
550 Views
Last post January 10, 2022, 1618 UTC
by ChrisLobdell
2 Replies
789 Views
Last post June 13, 2020, 1227 UTC
by CoolAM Radio
8 Replies
3556 Views
Last post July 07, 2014, 1212 UTC
by Sealord
1 Replies
1932 Views
Last post May 02, 2016, 2344 UTC
by MDK2
X-FM QSLs

Started by ChrisLobdell

5 Replies
3072 Views
Last post May 06, 2013, 1236 UTC
by Sealord
3 Replies
758 Views
Last post July 03, 2023, 1818 UTC
by Radio Star
5 Replies
2654 Views
Last post September 15, 2015, 0933 UTC
by Gino Italy
7 Replies
3097 Views
Last post August 13, 2013, 0219 UTC
by Zane

 

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

Locked Topic
Sticky Topic
Poll


HFUnderground T-Shirt
HFUnderground House Flag
by MitchellTimeDesigns