1. 1V <Last Survey before failure <-1x <-3x
<1800cpm from turbine
<-1x
<-2x or 2*lf
<-3x
<-4x
<Last Survey before failure

2. 2A <Last Survey before failure <-1x <-3x
<1800cpm from turbine
<-1x
<-2x or 2*lf
<-3x
<-4x
<Last Survey before failure

3. 2H <Last Survey before failure <-1x <-3x
<1800cpm from turbine
<-1x
<-2x or 2*lf
<-3x
<-4x
<Last Survey before failure

4. 2V <Last Survey before failure <-1x <-3x
<1800cpm from turbine
<-1x
<-2x or 2*lf
<-3x
<-4x
<Last Survey before failure

5. 3A <Last Survey before failure <-1x <-3x
<1800cpm from turbine
<-1x
<-2x or 2*lf
<-3x
<-4x
<Last Survey before failure

6. 3H <Last Survey before failure <-1x <-3x
<1800cpm from turbine
<-1x
<-2x or 2*lf
<-3x
<-4x
<Last Survey before failure

7. 3V <Last Survey before failure <-1x <-3x
<1800cpm from turbine
<-1x
<-2x or 2*lf
<-3x
<-4x
<Last Survey before failure