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2016/06/24 (Friday)

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1538 Reassmble the tower by replacing our old UMN spool with the spool from the Soudan tower. Conduct electrical check.
Detector G106a DIB 1
side coax ST-3-9 date/who: 2015-06-24 DS AK
face 1
+lead - lead signal typical measured
1 2 QET A 100 to 200 Ω 135Ω
2 4 QETA-B 100 to 200 Ω 216Ω
3 4 QET B 100 to 200 Ω 201Ω
4 6 QETB-C 100 to 200 Ω 220Ω
5 6 QET C 100 to 200 Ω 197Ω
6 8 QETC-D 100 to 200 Ω 209Ω
7 8 QET D 100 to 200 Ω 163Ω
2 8 QETA-D 100 to 200 Ω 188Ω
chassis 9 LED1 Rforward 8 to 9 MΩ 771 kΩ
chassis 9 LED1 Vforward 1.0 to 1.1 V 1.097 V
9 chassis LED1 Rreverse <1 nS <0.3 nS
chassis 10 LED2 Rforward 8 to 9 MΩ open
chassis 10 LED2 Vforward 1.0 to 1.1 V open
10 chassis LED2 Rreverse <1 nS <.2 nS
1 11 Qo Rbias 24 to 26 nS 25 nS
12 11 Qo C coupling <1 nS <0.5 nS
12 13 Qo Rfeedback 24 to 26 nS 25 nS
1 14 Qi Rbias 24 to 26 nS 25 nS
15 14 Qi C coupling <1 nS <0.2 nS
15 16 Qi Rfeedback 24 to 26 nS 25 nS
All pins → Ground <1.0nS
Detector G106a DIB 2
side coax ST-3-10 date/who: 2015-06-24 DS, AK
face 4
+lead - lead signal typical measured
1 2 QET A 100 to 200 Ω 214 Ω
2 4 QETA-B 100 to 200 Ω 198 Ω
3 4 QET B 100 to 200 Ω 135 Ω
4 6 QETB-C 100 to 200 Ω 196 Ω
5 6 QET C 100 to 200 Ω 181 Ω
6 8 QETC-D 100 to 200 Ω 187 Ω
7 8 QET D 100 to 200 Ω 134 Ω
2 8 QETA-D 100 to 200 Ω 208 Ω
chassis 9 LED1 Rforward 8 to 9 MΩ 771 kΩ
chassis 9 LED1 Vforward 1.0 to 1.1 V 1.097 V
9 chassis LED1 Rreverse <1 nS <0.2 nS
chassis 10 LED2 Rforward 8 to 9 MΩ 739 kΩ
chassis 10 LED2 Vforward 1.0 to 1.1 V 1.096 V
10 chassis LED2 Rreverse <1 nS <3 nS
1 11 Qo Rbias 24 to 26 nS 26 nS
12 11 Qo C coupling <1 nS <0.3 nS
12 13 Qo Rfeedback 24 to 26 nS 26 nS
1 14 Qi Rbias 24 to 26 nS 25 nS
15 14 Qi C coupling <1 nS <0.2 nS
15 16 Qi Rfeedback 24 to 26 nS 26 nS
All pins → Ground ~3nS
1605 Only LED2 Rreverse on DIB2 showed a slightly higher conductance than normal. In addition, DIB2 pins to ground had an average conductance of ~3nS.

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