Voyager PWS waveforms

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I have been looking through this data and admittedly I am less knowledgeable about some of the anomalies in the data than I would like to be. <br /><br />Here's a link to the waves:<br />http://www-pw.physics.uiowa.edu/plasma-wave/voyager/data/VGPW_10xx.html<br /><br />My question is this: 1 - there seems to be a block carrier / interference wave at 2.3 kHz, and if you listen to the waveform, there is an occasional "pong" noise as well as a rising ocillation that sweeps from 1 to 6 kHz occasionally. I suspect that these are all caused by different mechanical / radiological sources on the spacecraft... but which ones?<br /><br />Admittedly, there's probably two or three people I think can answer this here, but I just know an unsolicited e-mail to the PI at UIowa is going to end up in the deleted items folder... <img src="/images/icons/wink.gif" />
 
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alexblackwell

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<i>Admittedly, there's probably two or three people I think can answer this here, but I just know an unsolicited e-mail to the PI at UIowa is going to end up in the deleted items folder... </i><br /><br />If you're referring to Donald Gurnett, then you'll never know until you try.<br /><br />As for the issue with the PWS you are referring to, I can't say that I'm familiar with it. You aren't referring to this by chance, are you?<br /><br />At any rate, I haven't heard anything similar to what you're describing, at least in the calibration data on the PDS nodes, so I'd have to go back dig through back issues of peer-reviewed journal such as <i>Science</i>, <i>Journal of Geophysical Research-Space Physics</i>, etc. to see if it's been mentioned.
 
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And, Mr Gurnett DID respond! Thanks, Alex!<br /><br />Peter,<br /><br />The "pong" sound is produced by another instrument on the spacecraft <br />that produces electrical interference in our instrument. The 2.4 kHz <br />interference is caused by the spacecraft power system that operates at <br />2.4 kHz.<br /><br />Don Gurnett
 
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