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
2380 Views
Last post December 12, 2018, 2306 UTC
by ChrisSmolinski
2 Replies
2845 Views
Last post December 12, 2018, 1256 UTC
by QRP
OTHR?

Started by ChrisSmolinski

2 Replies
2500 Views
Last post January 11, 2017, 2209 UTC
by ChrisSmolinski
2 Replies
2789 Views
Last post December 11, 2016, 1616 UTC
by K5KNT
2 Replies
6448 Views
Last post February 06, 2016, 2342 UTC
by ChrisSmolinski
2 Replies
5837 Views
Last post December 11, 2014, 2109 UTC
by ka1iic
3 Replies
3037 Views
Last post March 22, 2020, 0247 UTC
by Token
3 Replies
4977 Views
Last post February 14, 2019, 0136 UTC
by N2NXZ
3 Replies
3212 Views
Last post May 04, 2022, 1926 UTC
by Josh
3 Replies
2951 Views
Last post May 04, 2022, 1937 UTC
by Josh
3 Replies
3087 Views
Last post April 02, 2021, 0014 UTC
by Dag
3 Replies
3369 Views
Last post October 15, 2018, 1951 UTC
by dollydot
3 Replies
5067 Views
Last post September 01, 2025, 2004 UTC
by Antenna101
3 Replies
3491 Views
Last post July 15, 2018, 1332 UTC
by Token
LINK- not 11?

Started by alleycat

3 Replies
3733 Views
Last post January 24, 2021, 1434 UTC
by Token
3 Replies
5530 Views
Last post April 08, 2025, 0843 UTC
by tiNG
3 Replies
3327 Views
Last post January 03, 2021, 1807 UTC
by Token
3 Replies
2218 Views
Last post June 16, 2018, 1635 UTC
by Josh
3 Replies
2947 Views
Last post May 21, 2018, 1654 UTC
by Josh
3 Replies
3803 Views
Last post March 05, 2021, 1619 UTC
by Token

 

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