Datum Inc.: The Anaheim manufacturer of frequency...

Datum Inc.: The Anaheim manufacturer of frequency products and timing instrumentation posted first-quarter net income of $20,000, or 1 cent per share, compared to $123,000, or 5 cents per share, for the year-earlier period. The 1991 figure included a gain of $158,000 from an accounting change. Sales for the first quarter declined 6% to $7.3 million from $7.8 million.