[Boatanchors] Mainline TT-L2 Articles

[Bill Cotter]

Mainline TT/L-2 FSK Demodulator ARTICLES:

"The Mainline TT/L-2 FSK Demodulator. Parts I and II." QST May and 
June 1969. Co-authored with Keith B. Petersen W8SDZ.

The Mainline TT/L FSK Demodulator
http://www.rtty.com/development/tu/ttl-fsk/ttl-fsk.htm

Mainline-TT/L2 FSK Demodulator
https://w2hx.com/x/RTTY/TTL-2/Mainline-TTL.pdf

Irvin M. Hoff, K8DKC, W6FFC
http://w7ay.net/site/Technical/RTTY%20Demodulators/Contents/hoff.html

High-performance RTTY filters 1
https://www.robkalmeijer.nl/techniek/electronica/radiotechniek/hambladen/qst/1966/08/page16/index.html

High-performance RTTY filters 2
https://www.robkalmeijer.nl/techniek/electronica/radiotechniek/hambladen/qst/1966/09/page34/index.html

Thanks - Bill N4LG