Datum Inc.: The Irvine designer and manufacturer...

Datum Inc.: The Irvine designer and manufacturer of precision frequency products and timing instrumentation posted a 24% decline in net earnings for the first quarter, while revenue doubled. Net income fell to $182,000, or 4 cents a share, from $240,000, or 8 cents a share, for the 1995 first quarter. Revenue totaled $19.6 million, up from $9.8 million, which reflected the acquisition of Efratom Time and Frequency Products Inc. in March 1995.