Bulletins from the Pacific Packet Radio Society - page 158
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YEAR ---- 1522 --------------------- 932 ------------------ 2454The following stations/individuals participated:
WB2GDQ KA6NAN WA6SLF WA6RZW WB2CAM KA6ETJ WB6SDE WA6JFZ WA6AZP
WB6KTN WB2HUT WB6HJP KA2BQE VE7CYD WB6WBK WB6YMH AA4KB N6ECT
W6RAW W6JHJ K6VCO N6HRN KB6WP KA1AS KD6SU N6CKV N6GJH
KD6LI N6FQR N6BOH N6FTZ K6HWJ W6OCP W6LLO W6FCC K6HSV
W9DHK KA6M KA9Q W6CB AD7I KO6R W6BB NJ6A
W6XN GNUFILE QST.83.01.31.0.W4RI
To: Den Connors, KD2S Hank Magnuski, KA6M
Info: Doug Lockhart, VE7APU John Spraggs, VE7ADE Tom Clark, W3IWI
Subject: Level 1 Considerations
Yesterday, I sent you (except for W3IWI) a message discussing pre-frame sync in order to solicit what you know about the feasibility of implementing two octets of bit reversals on the WD-1933 ahead of the initial flag of the frame.
No sooner was that dispatched when the incoming mail brought a manuscript for QEX from Karl Meinzer, DJ4ZC. In it he makes a case for 4 (rather than 2) octets of pre-frame sync. He also has a number of other well-received points which I will certainly incorporate in the Level 1 document to the extent possible. So, Karl's input is timely and much appreciated.
Karl's article doesn't change my question (can the WD-1933 produce reversal-type pre-frame sync, albeit 2 or 4 octets). However, I thought that you'd like to have benefit of Karl's thoughts at this time. So attached is a preview of what will be
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