To: Jonathan G. Katz Secretary, SEC Dear Mr. Katz: The following are comments regarding reference file no. SR-NASD-95-42: Dynatech Corporation wholeheartedly supports any trading system that narrows trading spreads and provides for fair and competitive execution of trades for all classes of investors. We believe that the new Naqcess system may benefit the interests of investors in companies such as ours, since the system promises to insure that trading orders for both individuals and institutions are executed quickly at the best possible price. Very truly yours, Steve Cantor Manager, Corporate Communications Dynatech Corporation tel#617-272-6100