I convert by using two contour integrals before mapping into the complex
plane. I use CCW integrals around singularities and Hartley window functions
were necessary. Then I divide by 2 and add 37.

BC

"Wally" wrote in message
...
Anyone know how to convert between PHRF and Portsmouth Yardstick? The
Sonata
I sail on has a PY of 1038 - wossat in PHRF-speak?


--
Wally
www.artbywally.com
www.wally.myby.co.uk