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Re: [TowerTalk] Weather station recommendations esp wind direction and s

To: towertalk@contesting.com
Subject: Re: [TowerTalk] Weather station recommendations esp wind direction and speed?
From: Don <w7wll@arrl.net>
Reply-to: w7wll@arrl.net
Date: Thu, 28 Feb 2019 18:39:47 -0800
List-post: <mailto:towertalk@contesting.com>
Peet is used by all of the amateur radio stations participating in thehttp://www.ocrg.org/telemetry_feed/ocrgwx.html <http://www.ocrg.org/telemetry_feed/ocrgwx.html>coastal weather reporting system here on the central and northerly OR coast. Reliable and *_repairable_* if needed. My Peet system has been in place since June of 2004. I'm just a few hundred feet off the ocean on an 70 foot high exposed hill with considerable winter winds. So far I've not experienced any loss of the TH7DX, the A3WS or 2 M antennas. Most problems have been with the reed switches in the vane units, but an easy fix.

In my case I set up to meet (as best I could) the NOAA/NWS meteorological standards established for their weather sensors vs monitoring what the conditions were at the top of my tower.  I agree that Davis is also a reliable system and will withstand the coastal rigors and there are a number installed at private residences along this part of the coast. At the time the OCRG system was established I understand Davis's SW was proprietary and not compatible with the systems as set up for the Peet units. It is now integrateable (is that a word?) I'm told.

LaCrosse and Oregon Scientific units I've seen have in use down on this coast last aabout a 1 year at best under these salt air/water conditions we encounter, just corrode away. Perhaps inland they may fare better.

Monitoring the wx is lots of fun. I also host AIS and ADS-B receiving stations which feed data back into the host systems. Something to watch when the bands are dead or near dead.

Don W7WLL

On 2/28/2019 4:45 PM, Greg Troxel wrote:
I'll second the recommendations for the Davis Vantage Pro2 and weewx.
The main complaint you hear about Davis is that it's expensive.  That
includes the computer interface, which is extra.  While I've heard good
things about Peet, most of the low-cost stuff gets a bad rap for
reliability.  I'm on only my second Davis since I think 2002.  Ask
people with Lacrosse and Ambient how many years they get out of each new
station.

Do think about height for the wind sensor, and proximity to other
things.  I see them mounted on towers, and I'm unclear on how much that
impacts measurments, so I should go read the setup guidelines.

73 de n1dam



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