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
626 Views
Last post November 24, 2019, 0431 UTC
by Davep
1 Replies
615 Views
Last post November 25, 2019, 0425 UTC
by Davep
1 Replies
659 Views
Last post November 26, 2019, 0133 UTC
by Andrew Yoder
1 Replies
613 Views
Last post December 02, 2019, 2020 UTC
by Davep
1 Replies
488 Views
Last post March 24, 2023, 0303 UTC
by DX Pete
1 Replies
567 Views
Last post April 11, 2023, 0913 UTC
by TRI International
1 Replies
914 Views
Last post December 10, 2019, 1910 UTC
by Davep
1 Replies
548 Views
Last post April 19, 2023, 0847 UTC
by TRI International
1 Replies
732 Views
Last post December 31, 2019, 1333 UTC
by Andrew Yoder
1 Replies
623 Views
Last post January 03, 2020, 0517 UTC
by Davep
1 Replies
842 Views
Last post January 03, 2020, 0655 UTC
by tennessee
1 Replies
664 Views
Last post March 29, 2021, 1140 UTC
by ChrisSmolinski
1 Replies
1047 Views
Last post July 26, 2020, 0218 UTC
by staticlistener
1 Replies
984 Views
Last post July 30, 2020, 0151 UTC
by PirateSWL
1 Replies
964 Views
Last post August 30, 2020, 0210 UTC
by PirateSWL
1 Replies
827 Views
Last post May 16, 2021, 1659 UTC
by ChrisSmolinski
1 Replies
1129 Views
Last post May 18, 2021, 1115 UTC
by ChrisSmolinski
1 Replies
919 Views
Last post June 01, 2021, 1824 UTC
by ThaDood
1 Replies
821 Views
Last post October 25, 2020, 1815 UTC
by radiogaga
1 Replies
922 Views
Last post July 04, 2021, 1202 UTC
by ChrisSmolinski

 

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

Locked Topic
Sticky Topic
Poll



Item image   Simplified Practical Filter Design by Irving M. Gottlieb

 $14.95