10/99

Greetings–Is your site ready for winter? Raingage winterized? Batteries serviced?
COLLECTOR and RAINGAGE PARTS INVENTORY As you may have noticed, we are using a barcode system to track all replacement parts. Every part sent out in the last 18 months has a white label attached to it. We need your help to inventory all the parts at the site (some parts were labeled and shipped before the system was operational). Please look at the parts on your equipment, locate the barcode, and fill in the blanks below with the appropriate numbers. If no barcode exists fill in "NA". Copy and return this form to us in your black mailer. Thanks.
Motor unit________________	Sensor________________	Raingage clock______________
barcode next to label
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11/99

Greetings. The CAL staff wish to pass along our wishes to you for a peaceful and family-filled Thanksgiving holiday. As we near the next millennium, we hope all of you are happy and healthy. PLEASE RETURN YOUR WINTERIZING MEMOS!	Figure 1
EVENT RECORDERS AND AEROCHEM FUNCTION CHECK: Each week you should critically evaluate the event recorder trace ( #1) to ensure that it is consistent with the precipitation trace ( #2) on the raingage chart. If the durations of these do not agree, you should call me immediately (800-952-7353). If such problems are left unresolved, the data from your sample(s) may be invalidated and, thus, not be included in the yearly summary or maps. You put in good effort each week to collect, process and send a sample to the CAL. Please review the raingage charts thoroughly and call me to troubleshoot your system so that we can take full advantage of your efforts. Scott Dossett
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12/99

Hello. Please travel safely during the Holidays! The CAL is fully Y2K compliant, and as long as the roads are open we’ll be here to serve you as we enter the new year.

Test for Event Recorder and Raingage Pen Conflict: Each year, after sites winterize their Belfort recording raingages, we have several occasions when the event recorder (ER) pen and the precipitation amount (PA) pen run into each other near the top of the chart. This causes the ER pen to be locked into the "up" position and the PA pen to stop recording additional precipitation. RESULT--WE LOSE IMPORTANT DATA! Please perform this simple test: 1) remove the raingage chart from the previous week, 2)wind the clock and load another chart, 3) position the pens to FRIDAY on the chart (it is not necessary that the pens mark on the chart) and ensure that the pen shifter is pushed all the way in,  4) now, push the raingage bucket down slowly while watching the PA pen rise (to prevent any antifreeze from getting on your hand use a stick). Did the PA pen move smoothly under the ER pen without lifting it off the chart? Did the PA pen travel down the length of the chart to ~ 12 inches? If needed, GENTLY bend the ER pen arm outward slightly to allow the pens to cross. If you have any questions, please call CAL at 800-952-7353.  The entire NADP staff wishes you . . .

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Web page was updated 01/20/2010