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 permissable in your locale.

Subject / Started by Last post
3 Replies
3880 Views
Last post August 18, 2014, 0453 UTC
by redhat
WSPR?

Started by IQ_imbalance

1 Replies
890 Views
Last post June 03, 2021, 2101 UTC
by ve6jy
4 Replies
2983 Views
Last post January 16, 2019, 2132 UTC
by TheRelayStation
2 Replies
7131 Views
Last post May 10, 2015, 1458 UTC
by Skipmuck
8 Replies
4568 Views
Last post April 11, 2021, 1345 UTC
by ~SIGINT~
11 Replies
9978 Views
Last post June 28, 2015, 2318 UTC
by skeezix
5 Replies
18523 Views
Last post January 19, 2016, 1626 UTC
by flexoman61
0 Replies
1787 Views
Last post January 20, 2015, 2304 UTC
by ChrisSmolinski
0 Replies
971 Views
Last post July 25, 2021, 1918 UTC
by ChrisSmolinski
6 Replies
4935 Views
Last post February 27, 2020, 2122 UTC
by Fishbreath
0 Replies
1859 Views
Last post October 23, 2015, 1527 UTC
by ChrisSmolinski
1 Replies
1088 Views
Last post March 30, 2020, 2003 UTC
by Pigmeat
0 Replies
640 Views
Last post February 07, 2021, 1654 UTC
by ChrisSmolinski
3 Replies
2847 Views
Last post April 18, 2018, 0100 UTC
by RobRich
0 Replies
694 Views
Last post April 23, 2021, 1510 UTC
by kris
SSTV software (Chrome)

Started by Matt285

7 Replies
1927 Views
Last post July 12, 2021, 0338 UTC
by Ray Lalleu
0 Replies
1301 Views
Last post March 17, 2018, 1710 UTC
by ChrisSmolinski
0 Replies
1849 Views
Last post August 03, 2014, 1713 UTC
by ChrisSmolinski
0 Replies
1811 Views
Last post April 26, 2014, 1711 UTC
by ChrisSmolinski
0 Replies
2035 Views
Last post June 19, 2015, 2151 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