http://ocotal.iarc.uaf.edu/api.php?action=feedcontributions&feedformat=atom&user=137.229.29.93&* 2026-05-13T00:09:22Z User contributions MediaWiki 1.34.2 http://ocotal.iarc.uaf.edu/index.php?title=Oliktok_precip_site&diff=2801 2016-09-02T04:06:16Z

<p>137.229.29.93: /* Oliktok */</p> <hr /> <div>===Barrow site===<br /> Has:<br /> *Enclosure<br /> *CR1000<br /> *Judd or SR50a<br /> *Radios/NL100<br /> <br /> Needs:<br /> *LPM<br /> *Quadpod for:<br /> *3x SR50a<br /> <br /> ===Atqasuk===<br /> Uninstalling:<br /> *Nipher guage<br /> *CR1000<br /> *2 radios<br /> *Wenglor particle counter <br /> *SR50a<br /> *quadpod<br /> *computer?<br /> <br /> ===Oliktok===<br /> Installing:<br /> *Geonor + fence<br /> *Power AC<br /> *SR50a on quadpod<br /> *LPM <br /> <br /> <br /> Geonor notes<br /> *needs antifreeze sol'n: Propylene glycol (40%) / Methanol (60%)<br /> *needs 0.4L Low Pour Hydraulic oil<br /> *Geonor fence<br /> **Alter shield<br /> ***attach shield to Geonor stand with 1in pipe, then 1in to 3/4in nurail offset cross fitting like (http://www.nurail.com/products/%2310-Offset-Cross-%252d-3%7B47%7D4in-x-1in..html), then 3/4in post provided with the alter shield <br /> ***apply rust prevention coating<br /> ** says here a wyoming shield has way worse catch efficiency :( http://www.fs.fed.us/t-d/pubs/htmlpubs/htm02252325/<br /> <br /> LPM notes<br /> *LPM communication<br /> **power cable for MD485<br /> **set active ports: RS232 and RS485<br /> **need long three wire cable for RS485 coms<br /> *LPM power<br /> **1: brown, 2: blue, ground: green/yellow<br /> * mount<br /> **do I need a plywood rig for this too??<br /> <br /> communication<br /> *need NL100 or something?<br /> <br /> Power<br /> *LPM uses max 150 VA (VA = watts)<br /> *Geonor heater draws 25 watts at 24 volts<br /> **3.4 mA per vibrating wire. 7 mA on warm up<br /> *SR50a<br /> **250 mA peak measurement (measurement takes less than 1 sec)<br /> **1 mA quiescent in SDI12 mode<br /> <br /> Todo<br /> *asked alaska steel for nurail quote, do PR when receive it<br /> *figure out geonor fence<br /> *figure out geonor heater<br /> *programs <br /> **update Barrow (downloaded one from bob's dropbox, now in docs folder)<br /> **write new for oliktok<br /> <br /> *quadpods: order pipe and nurail fittings from alaska steel<br /> *sensor mounts. enclosure mounts<br /> *conduit<br /> *zip ties (heavy duty), and little ones for the enclosure. labels for the wires in enclosure<br /> <br /> Bring<br /> Dewalt drill<br /> <br /> <br /> Site Location<br /> <br /> [[File:Location precip gauges2.PNG|800px]]</div>

137.229.29.93