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APRS and Weather

APRS and Weather. Glenn Frasier, KD5DMG. APRSWXNET/CWOP: a Beneficial Partnership of NOAA, Amateur Radio, and other Good Citizens Russ Chadwick KBØTVJ NOAA Forecast Systems Laboratory Boulder, Colorado September 13, 2002. APRSWXNET/CWOP Purpose

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APRS and Weather

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  1. APRS and Weather Glenn Frasier, KD5DMG

  2. APRSWXNET/CWOP: a Beneficial Partnership of NOAA, Amateur Radio, and other Good Citizens Russ Chadwick KBØTVJ NOAA Forecast Systems Laboratory Boulder, Colorado September 13, 2002

  3. APRSWXNET/CWOP Purpose - Collect weather data from citizens and make those data available as a public service for any non-commercial use. - Provide feedback and guidance to weather station operators to help them improve the quality of their weather data.

  4. APRSWXNET/CWOP Membership (9/11/02) 1. Registered Hams - 658 total registered - 937 2. Registered CW - 279 3. Unregistered CW - 293 4. Inactive - 74 Each hour 575+ registered stations contributing weather data to NOAA

  5. Registered APRSWXNET/CWOP Stations

  6. Ham Stations in US

  7. Station Registration for hams - call, town, zip, elevation, name, e-mail - verify data on findu.com * - obtain lat/long from findu.com * - assign provider ID, ap123 * - assign 5-character NWS ID, AP123 * - enter all information into database * - generate APRSWXNETStation.txt file * - check APRSWXNETStation.txt file * my responsibility

  8. Registered CW Stations in US

  9. Station Registration for non-hams - fill out form on findu.com - CWxxxx, town, state, zip, elevation, name, e-mail - enter information into database * - configure weather station and program - send data packets to port 23 aprswest.net - check position on findu.com map - send e-mail requesting registration - enter lat/long into database * - generate APRSWXNETStation.txt file * - check APRSWXNETStation.txt file * my responsibility

  10. ap001|AP001|KB0TVJ-5 Boulder CO US|1582| 40.0545| -105.20783|GMT|||1|||| ap002|AP002|K4HG Cudjoe Key FL US|2| 24.66111| -81.4825|GMT|||1|||| ap003|AP003|N0XGA Aurora CO US|1686| 39.69083| -104.81267|GMT|||1|||| ap004|AP004|KF4HJW Tide VA US|7| 37.1005| -76.545|GMT|||1|||| ap005|AP005|W0MAF-1 Lee's Summit MO US|326| 38.91883| -94.38033|GMT|||1|||| ap006|AP006|WN0X-3 NW Cole County MO US|247| 38.6295| -92.34417|GMT|||1|||| ap007|AP007|KI0PY Plattsmouth NE US|100| 41.01683| -95.89333|GMT|||1|||| ap008|AP008|KD4MRL Orlando FL US|34| 28.56267| -81.27083|GMT|||1|||| ap009|AP009|N5JXS College Station TX US|88| 30.605| -96.285|GMT|||1|||| ap010|AP010|N1BQ-3 Underhill Center VT US|470| 44.52883| -72.85917|GMT|||1|||| ap011|AP011|KB0TVJ-6 Erie CO US|1535| 40.05626| -105.05592|GMT|||1|||| ap012|AP012|N9ZIP Michigan City IN US|192| 41.7015| -86.87366|GMT|||1|||| ap013|AP013|W0LED-1 Crystal MN US|277| 45.0465| -93.34583|GMT|||1|||| ap014|AP014|WA2GUG New Hyde Park NY US|46| 40.72717| -73.69083|GMT|||1|||| ap015|AP015|WA2GUG-2 Far Rockaway NY US|110| 40.59467| -73.75433|GMT|||1|||| ap016|AP016|KB4JHU Valrico FL US|32| 27.9175| -82.258|GMT|||1|||| ... ap667|AP667|KH2EI Hellertown PA US|238| 40.583| -75.2645|GMT|||1|||| ap668|AP668|K5ZZT-5 San Antonio TX US|277| 29.553| -98.62467|GMT|||1|||| CW0000|C0000|CW0000 Auckland NZ|200| -37.11667|174.58333|GMT|||1|||| CW0001|C0001|CW0001 Evansville IN US|200| 37.97597| -87.56822|GMT|||1|||| CW0002|C0002|CW0002 Middlebury VT US|75| 44.0531| -73.2569|GMT|||1|||| CW0003|C0003|CW0003 Framingham MA US|115| 42.34083| -71.4765|GMT|||1|||| CW0005|C0005|CW0005 Des Moines IA US|290| 41.6065| -93.69567|GMT|||1|||| CW0006|C0006|CW0006 Korumburra AU|120| -38.4465| 145.89368|GMT|||1|||| CW0007|C0007|CW0007 Amsterdam NL|2| 52.51833| 4.97333|GMT|||1|||| ... ... ... APRSWXNETStation.txt file

  11. WX station ap001 aprs rf 1st,2nd,3rd aprs.net . . aprswest.net aprsca.net ahubeast.net WX station ap163 . . wxqa.com findu.com WX station CW0351 NOAA FSL APRSWXNET/CWOP system diagram

  12. General Information page: dhelms.mystarband.net/cwop.html

  13. Citizen Weather Feedback to Contributors - Chronological List www.findu.com/citizenweather.html - Ordered list of last packet www.wxqa.com/activecwd/C20020915.txt - Last packet receipt date and time www.wxqa.com/last_reg.txt www.wxqa.com/last_sgn.txt - findu functions, e-mail, web sites www.wxqa.com/stations.html

  14. Start time was 00:00:00 UTC 2002-09-08:18:53:44:730 - End date:time UTC; number for past hour/number since start time CW0000>APRS,TCPXX*,qAX,CW0000:@081800z3707.00S/17435.00E_289/014g017t058r000p008... 1/12 wx data packets, and 0/0 are duplicates. CW0001>APRS,TCPXX*,qAX,CW0001:@081850z3758.32N/08734.05W_286/002g005t095r000p000... 12/224 wx data packets, and 0/0 are duplicates. CW0003>APRS,TCPXX*,qAX,CW0003:@081850z4220.45N/07128.59W_195/004g005t090h40p000... 11/225 wx data packets, and 0/0 are duplicates. CW0005>APRS,TCPXX*,qAX,CW0005:@081847z4136.38N/09341.73W_144/000g005t092r000p000... 12/152 wx data packets, and 0/1 are duplicates. CW0007>APRS,TCPXX*,qAX,CW0007:@081850z5231.02N/00458.07E_239/000g000t065r000p008... 12/178 wx data packets, and 0/9 are duplicates. CW0008>APRS,TCPXX*,qAX,CW0008:@081805z3511.97N/08325.20W_287/001g003t080r000p002... 1/14 wx data packets, and 0/0 are duplicates. CW0009>APRS,TCPXX*,qAX,CW0009:@081845z5108.58N/00429.15E_075/001g000t065... 3/75 wx data packets, and 0/0 are duplicates. ... wxqa.com/activecwd/index_activecwd.html

  15. LATEST RECEIPT FROM REGISTERED STATIONS 2002-09-06 - Report Generated (UTC) CW0000 @052300z September 02 CW0001 @061250z September 02 CW0002 @152030z August 02 CW0003 @061250z September 02 CW0005 @061249z September 02 CW0006 @061115z November 01 CW0007 @061250z September 02 CW0008 @061205z September 02 CW0009 @061245z September 02 CW0010 @061230z September 02 CW0012 @061250z September 02 CW0015 @161200z August 02 CW0018 @061250z September 02 CW0019 @061230z September 02 CW0020 @041910z September 02 CW0021 @132215z August 02 CW0029 @050235z March 02 ... www.wxqa.com/lastfile_reg.txt

  16. LATEST RECEIPT FROM STATIONS NOT YET REGISTERED 2002-09-06 - Report Generated (UTC) CW0011 Boulder, CO, US CW0098 Saint Cloud, MN, US CW0192 @271150z July 02 CW0207 Naoussa, , GR CW0215 @032250z September 02 CW0277 @061650z September 02 CW0283 Carmel, NY, US CW0284 Nuiqsut, AK, US CW0285 Edmonds, WA, US CW0290 Kerhonkson, NY, US CW0291 Weirton, WV, US CW0292 Kerrville/mt.home, TX, US CW0293 McDade, TX, US CW0295 Anamosa, IA, US CW0296 Marrero, LA, US CW0297 East Petersburg, PA, US CW0298 @102129z October 01 ... www.wxqa.com/lastfile_sgn.txt

  17. www.wxqa.com/stations.html www.wxqa.com/memberlists.html

  18. www-frd.fsl.noaa.gov/mesonet/ FSL mesonet display of APRSWX/CWOP data

  19. FSL mesonet stations in the Central Colorado area www-frd.fsl.noaa.gov/mesonet/

  20. Quality Checking Feedback 1. Quality Checking and Monitoring System (QCMS) makes analysis using numerical weather prediction (NWP) and spatial consistency check (SCC) 2. “error” = analysis - observation, done for each hour 3. Daily, weekly and monthly statistics of “error” 4. Daily and hourly “error” results saved 5. Hourly “error” mean and standard deviation may indicate diurnal effects.

  21. APRSWXNET DAILY QUALITY CONTROL MESSAGE (PAGE 1 OF 16) ********************************************************************** * 8-SEP-2002* SLP * POT TEMP * DEW PNT * DD * FF * * 00-23 UTC * (MB) * (DEG F) * (DEG F) * (DEG) * (KNTS) * ********************************************************************** * TOTAL OBS * 0 * 47936 * 42569 * 47971 * 47971 * * QST OBS * 0 * 3443 * 6584 * 487 * 501 * *PERCENT QST* 0.00 * 7.18 * 15.47 * 1.02 * 1.04 * ********************************************************************** * AP004 * *16/-16/ 39* * * * * AP012 * * *20/-19/ 55* * * * AP014 * * 8/ 1/ 64* 9/ -9/ 31* * * * AP019 * * * * * * * AP023 * * *11/-11/ 57* * * * AP030 * * *18/-17/ 38* * * * AP037 * * *17/-16/ 54* * * * AP042 * * *13/-13/ 72* * * * AP044 * * * 9/ 9/ 37* * * ********************************************************************** ERROR= ANALYSIS-OBSERVATION RMS ERROR/MEAN ERROR/PERCENT QST www-sdd.fsl.noaa.gov/MSAS/qcms_messages.html www.wxqa.com/qcmsday/index_qcmsday.html

  22. 8-SEP-2002 0000 UTC 0 0 1 0 0 0100 UTC 0 1 4 0 0 0200 UTC 0 0 0 0 0 0300 UTC 0 0 0 0 0 0400 UTC 0 1 0 0 0 0500 UTC 0 1 0 0 0 0600 UTC 0 0 0 0 0 0700 UTC 0 0 0 0 0 0800 UTC 0 0 0 0 0 0900 UTC 0 2 0 0 0 1000 UTC 0 4 0 0 0 1100 UTC 0 5 0 0 0 1200 UTC 0 4 0 0 0 1300 UTC 0 3 0 0 0 1400 UTC 0 3 0 0 0 1500 UTC 0 1 0 0 0 1600 UTC 0 0 0 0 0 1700 UTC 0 0 0 0 0 1800 UTC 0 0 2 0 0 1900 UTC 0 0 2 0 0 2000 UTC 0 0 1 0 0 2100 UTC 0 0 1 0 0 2200 UTC 0 0 0 0 0 2300 UTC 0 0 0 0 0 Counts of “errors” by Hour

  23. Mean “error” Hour Col 1 Col 2 Col 3 Col 4 Col 5 0000 -11.000 0100 9.000 -9.714 0200 0300 0400 7.000 0500 8.333 0600 8.500 0700 8.600 0800 10.200 0900 9.714 1000 8.667 1100 9.700 1200 10.222 1300 8.429 1400 9.714 1500 10.750 1600 8.200 1700 8.333 -9.667 1800 -9.400 1900 7.000 -9.667 2000 7.000 -8.000 2100 -8.000 2200 -11.000 2300 -10.400 Hourly mean “error”

  24. Software with APRSWXNET/CWOP Capability 1. Weather-Display (Brian Hamilton) 2. Virtual Weather Station (with Tim West add-on) 3. Davis Vantage Pro Program (Ed Blair) 4. 1-Wire Wserver (Arne Hendriksen) 5. WxSolution (Dan Hanson) 6. 1-Wire for Linux (Philip Gladstone) 7. Yip-Yap for Linux (Chris Howard)

  25. Future Items - five minute data input capability at FSL - quality checking for barometric pressure - cgi script for hourly quality checking results - position checking by zip code - weather measurements from vehicles - ???

  26. For more information, contact: Russ Chadwick KBØTVJ chadwick@fsl.noaa.gov Steve Dimse K4HG k4hg@tapr.org Dave Helms CW0351 david.helms@noaa.gov

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