NUMEREX CORP <NMRX> 2ND QTR JAN 31 LOSS Shr loss seven cts vs profit five cts Net loss 149,421 vs profit 103,120 Sales 1,698,345 vs 1,920,010 Six Mths Shr loss five cts vs profit nine cts Net loss 100,472 vs profit 191,614 Sales 3,836,794 vs 3,650,322