**Notes: jbh 3-21-01 The file below is on a disk prepared by Dan Smythe, Dec. 2000, for the Arecibo system. * * ********* Equipment Control File ********* * Please refer to the Control Files Manual in Volume 1 of the * Field System Documentation * 100 Tape Startup Parameter (TACC) 330 Max tape speed, ips 270 Schedule tape speed, ips 8450. RF Frequency 60 Receiver 70K Stage Check Temperature 20 Receiver 20K Stage Check Temperature * VLBI equipment vlba4 type of rack (mk3, vlba, vlbag, mk4, vlba4, or none) vlba4 type of recorder (mk3, mk3b, vlba, vlba2, mk4, s2, vlba4, or none) 109 Hardware ID for VLBA rack (assigned by GSFC) * 7.8 vacuum level (inches) (if vacuum switching this is for thin tape ~5.0) 2860 vacuum current offset (counts) 290 vacuum current scale (counts/in) -5.0 vacuum sensor offset (in) .014 vacuum sensor scale (in/costunt) 152 tape thickness (kA) (if vacuum switching this is for thin tape ~152) 14.0 write voltage (V) (stack 1 for vlba4) 54625 capstan size constant * 500.10 IF3 LO Frequency 3 hex mask indicating which IF3 switches are installed, sw N ~ 2^(N-1) * a/d VLBA formatter cross-point switch (a/d or dsm) * additional values for vacuum switching only 10.0 thick tape vacuum level (inches) 268 thick tape thickness (kA) 10.0 thick tape write voltage (V) * VLBA4 parameters 18.0 VLBA4 stack 2 write voltage (V) (thin tape if switching) 10.0 VLBA4 stack 2 write voltage (V) (only if switching then thick)