Dick Gustafson, Marc Pirello, and Matthew Withers
We performed a series of RF signal injections by passing RF signals to the shielding of several cables via a ferrite transformer. The following table summarizes our work.
| Time (UTC) | Cable Name | Cable Frequency [MHz] | Injection Frequency [MHz] | Injection Amplitude [dBV] | Measured Frequency in DARM [Hz] | Measured Amplitude in DARM [m/Hz^(1/2)] |
| 15:56 - 15:59 | ISC-C4-41-5 | 9.10023 | 9.10028 | -30 | 50 | 1.8537*10^-19 |
| 15:59:45 - 16:03:45 | ISC-C4-37-1 | 9.10023 | 9.10028 | -30 | 50 | 4.12905*10^-19 |
| 16:05 - 16:09 | ISC-C4-41-6 | 45.50115 | 45.5014 | -30 | No discernable effect | No discernable effect |
| 16:10:15 - 16:14:15 | ISC-C4-37-2 | 45.50115 | 45.5014 | -30 | No discernable effect | No discernable effect |
| 16:17 - 16:21 | ISC-C3-41-4 | 35.5 | 35.50005 | -30 | No discernable effect | No discernable effect |
| 16:22:45 - 16:26:15 | ISC-C4-33-4 | 72 | 72.00005 | -30 | No discernable effect | No discernable effect |
From roughly 16:30 to 19:00 UTC, we collected the noise profiles of the following cables:
ISC-C4-41-5
ISC-C4-37-1
ISC-C4-41-6
ISC-C4-37-2
ISC-C3-41-4
ISC-C4-33-4