Subject: Staff/Scientist Logs

3/2/12  Installed ion pump on ants 2B and 2K for 2 hours

Mark

3/7/12 Installed ion pump onto 1e for 2 hours

Mark

During the last lube and inspection of ant 5B,  it had excess oil on the bottom surface of the alidade pan.  I lowered bottom half of alidade and removed cleaned and shimmed seal.  The oil has also been replaced in the pan.

3/7/12

Mark

During the last 6 month lube and inspection I noticed the oil in the alidade on 4E was a lot dirtier than it should be.  2/22/12  I completeley drained alidade, and replaced oil.

Mark

Feed have been installed into 4L, 2D, and 1E on 2/15/12.  Feed also have been removed and sent for repair out of 4H, 1B, 2A, and 1F

4L feed number is SB031

2D feed number is SB014

1E feed number is SB044

Mark

Feed have been installed into 4L, 2D, and 1E on 2/15/12.  Feed also have been removed and sent for repair out of 4H, 1B, 2A, and 1F

4L feed number is SB031

2D feed number is SB014

1E feed number is SB044

Mark

The radome on 5H has been repaired and re-installed on 2/8/12

Mark

Repaired feeds have been installed in 4E, 4F, and 4G.  Feeds have also been removed from 1E, 3E, 4L, and 3F on 1/12/12

Mark

I have checked the alidade batteries and the voltages are as follows:

5B 13.53              4E .229             4G .194         3D 12.88        3C  13.57         2A  13.71    

The 6 month maintenance, lube, and inspection was completed on 12/21/11.  The results are as follows:

All antenna az bearings and el drives were greased and an complete inspection done on each

All nodehouse filters were also replaced on 11/3/11

1F  Has one broken bolt in cap of az drive, and a loose belt that has been tightened

1J  Az drive was dry and approx 1pint of oil has been added

2C Alidade is leaking oil and need seal fixed

2F Alidade is leaking oil and need seal fixed