5/21/2001 Engineering & Science Crossword Puzzle

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Note: A standard for crossword puzzles is when all words in a clue are capitalized, the solution is the abbreviation or acronym for that clue; e.g., Alternating Current = AC.
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ACROSS 1   1900 MHz wireless band 4   Fledgling company 10 Logic family 13 Eyeliner powder 15 Elementary particles 16 Clarified butter 17 Seaport in NE Egypt 19 Radar display, abbr. 20 Allowed epoxy to harden 22 Background interferences 24 Lawsuits 25 Opposite of O.D. 27 Agitate 28 Abode 30 9th letter of the Hebrew alphabet 32 Opposite of decrease 34 Chemical symbol for iron 35 Inductor tuning rod 37 Color parameter 38 Subsidiary of Northrop Grumman in Cincinnati 40 Software object reference name 42 Bleat of a sheep 44 Makes liquid tight 45 Sloping letter 47 Relative power level unit 49 It creates a voltage across an inductor 50 European equivalent to the U.L. 51 Determination of cause and effect 54 Zodiacal constellation 55 Stenographer 56 Television transmission standard 58 Type of current 59 Consequence of under sampling 60 Electromagnetic entities 62 Trail of a wild animal 63 Greek goddess of the dawn 64 Data conversion devices 66 Great age 67 Type of product that results in a vector 69 Snail and E are examples of this 71 Special function microprocessor 72 Brazenly obvious 73 Component of product cost	DOWN 1   Max or min voltage of a waveform 2   Long-leaved lettuce 3   Keep away from 5   Kind of RF data encoding 6   Newest incarnation of the venerable J3 7   Outdoes 8   Black bird 9   Type of flip-flop 10 Exponent of a cube 11 Golf mounds 12 Semiconductor lamp 14 Low altitude earth orbit 16 With triangular strengtheners 18 Tubular pasta in short pieces 20 Precipitates 21 Digital technique 23 Hyperbolic sine 24 Concentric cable type 26 Denounce 28 Symbol for helium 29 RF component distributor 31 Brass wind instrument 33 Prepared 34 Frequency reflected about zero Hz 36 Freezing 39 Max and min voltage supplies 41 Creating no frequency mixing products 43 Horizontal Cartesian coordinate 46 Metal containers 48 Call to mind 52 One input to a mixer 53 Immature herring 55 Yacht 57 First man 59 Monkeys 60 Unit of length 61 Generate a raster 62 Sorrowful 63 Period of history 65 Title of a knight 67 Type of model airplane control system, abbr. 68 Symbol for tin 70 Front edge of a wing, abbr.
Answer below