Satellite test set sg-1139 data generator test set for tritacs & atacs test for (bit error rate ) BER test for tritac .this test set is very clean and in working shape cables shown are included . This set generates a known data pattern and then compares the returned data pattern and calculates the bit error rate (ber) include the 120 volt power cord shown .

R.F. Voltmeter calibrated 5-20-04 , due 5-20-05 , current calibration

HP 201C , audio generator covers 20 to 20 Kilohertz

HP 427A Digital Voltmeter

0 to 10 megahertz square wave generators