To: Edgar Castro, Victor Iguina

From: Jon Hagen

Date: 6-1-01

Subject: Winding resistances measured June 1, 2001 on lower magnetic assembly magnets installed at Arecibo

Coil #1 (first coil from the cathode end) Connector Pins A and B

Socket A 6.3 Ohms

Socket B 6.3 Ohms

Coil #2 (second coil from the cathode end) Connector Pins C and D

Socket A 3.2 Ohms

Socket B 3.1 Ohms

Coil #3 (third coil from the cathode end) Connector Pins E and F

Socket A 9.7 Ohms

Socket B 7.3 Ohms

Note that there is a significant difference between coil #3 on Socket A and coil #3 on Socket B.