Most of us diligently keep transmitter logs, but what do you do with the data? There is a lot of interesting information in there if you dump the log data into excel and start digging.
Ever wonder if AC line voltage affects power out? Does the STL signal fade on warm days? How does tube age affect efficiency? Those are the kinds of questions that you can answer with a stack of logs and the Pearson correlation coefficient.
In excel, fill two columns with the values to test and put “PEARSON(Array1,Array2)” in another cell as shown in figure 4. The answer will be between -1 and +1 with zero indicating no correlation and one representing a perfect correlation.
Read more in Peter Burk’s article, “Easy No-Budget Tips for Better Transmitter Care” here: https://loom.ly/oo2Am1U
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President at Zoomlion Heavy Industry NA, Inc.
2wThe architecture is organized and efficient. The critical part is how to control the relays if the clock is on high frequency. Probably it is the important and innovative IP of the products.