Re: 20041005: IDV - 88D Radar altitudes?

Hi Simon,

> KHTX ("North Alabama" in IDV): 
>  IDV altitude = 677m
>  NOAA altitude = 537m (site) + 15m (antenna height) = 552m
>     --> 125m difference
>
> KVNX ("Vance Airforce Base" in IDV): 
>  IDV altitude = 465m
>  NOAA altitude = 369m (site) + 10m (antenna height) = 379m
>     --> 86m difference
>
> I wanted to find out what was gong on here to make sure I can take height 
> values, for example on the IDV pseudo-RHI displays, as correct.
>  

You found an error.  Some of the nexrad station  elevations that we use 
are incorrect.  FYI  - I have attached the
updated nexrad station table list. Unfortunately, due  to the  
implementation of the latest
released version of the IDV we cannot simply fix this by installing a 
new station table in your environment.
The current version, which we will be releasing in mid-November, will 
solve this problem. 

Also, we do not account for antenna height.

-Jeff

<?xml version="1.0" encoding="UTF-8"?>

<stationtable name="NEXRAD Sites">
<station idn="000525" id="APD" name="Fairbanks/Pedro Dome" st="AK" co="US" 
lat="65.03" lon="-147.50" elev="790"/>
<station idn="000346" id="AEC" name="Fairbanks/Nome" st="AK" co="US" 
lat="64.50" lon="-165.28" elev="16"/>
<station idn="000553" id="ACG" name="Juneau/Sitka" st="AK" co="US" lat="56.85" 
lon="-135.52" elev="63"/>
<station idn="000505" id="AIH" name="Anchorage/Middleton Island" st="AK" 
co="US" lat="59.45" lon="-146.30" elev="20"/>
<station idn="000304" id="ABC" name="Anchorage/Bethel" st="AK" co="US" 
lat="60.78" lon="-161.87" elev="49"/>
<station idn="000344" id="AHG" name="Anchorage/Nikiski" st="AK" co="US" 
lat="60.72" lon="-151.35" elev="74"/>
<station idn="000568" id="AKC" name="Anchorage/King Salmon" st="AK" co="US" 
lat="58.67" lon="-156.62" elev="19"/>
<station idn="000320" id="BMX" name="Birmingham/Alabaster" st="AL" co="US" 
lat="33.17" lon="-86.77" elev="197"/>
<station idn="000509" id="MOB" name="Mobile/Mobile" st="AL" co="US" lat="30.67" 
lon="-88.23" elev="63"/>
<station idn="000826" id="HTX" name="Birmingham/Northeastern Al" st="AL" 
co="US" lat="34.92" lon="-86.08" elev="536"/>
<station idn="000354" id="MXX" name="Birmingham/Maxwell Afb" st="AL" co="US" 
lat="32.53" lon="-85.78" elev="122"/>
<station idn="000362" id="EOX" name="Birmingham/Fort Rucker" st="AL" co="US" 
lat="31.45" lon="-85.45" elev="132"/>
<station idn="000395" id="LZK" name="Little Rock/N Little Rock" st="AR" co="US" 
lat="34.83" lon="-92.25" elev="173"/>
<station idn="000825" id="SRX" name="Tulsa/Western Arkansas" st="AR" co="US" 
lat="35.28" lon="-94.35" elev="195"/>
<station idn="000524" id="IWA" name="Phoenix/Mesa" st="AZ" co="US" lat="33.28" 
lon="-111.67" elev="412"/>
<station idn="000556" id="EMX" name="Tucson/Pima County" st="AZ" co="US" 
lat="31.88" lon="-110.62" elev="1586"/>
<station idn="000361" id="FSX" name="Flagstaff/Coconino" st="AZ" co="US" 
lat="34.57" lon="-111.18" elev="2261"/>
<station idn="000393" id="YUX" name="Phoenix/Yuma" st="AZ" co="US" lat="32.48" 
lon="-114.65" elev="53"/>
<station idn="000536" id="DAX" name="Sacramento/Sacramento" st="CA" co="US" 
lat="38.50" lon="-121.67" elev="9"/>
<station idn="000396" id="VTX" name="Los Angeles/Ventura County" st="CA" 
co="US" lat="34.40" lon="-119.17" elev="831"/>
<station idn="000541" id="MUX" name="San Francisco Bay Area/Santa" st="CA" 
co="US" lat="37.15" lon="-121.88" elev="1057"/>
<station idn="000359" id="BHX" name="Eureka/Humboldt County" st="CA" co="US" 
lat="40.48" lon="-124.28" elev="732"/>
<station idn="000363" id="HNX" name="San Joaquin Valley/Hanford" st="CA" 
co="US" lat="36.30" lon="-119.62" elev="74"/>
<station idn="000540" id="NKX" name="San Diego/San Diego" st="CA" co="US" 
lat="32.92" lon="-117.03" elev="291"/>
<station idn="000574" id="SOX" name="San Diego/Orange County" st="CA" co="US" 
lat="33.82" lon="-117.63" elev="923"/>
<station idn="000559" id="VBX" name="Los Angeles/Orcutt Oil Field" st="CA" 
co="US" lat="34.83" lon="-120.38" elev="373"/>
<station idn="000511" id="EYX" name="Las Vegas/Edwards Afb" st="CA" co="US" 
lat="35.08" lon="-117.55" elev="840"/>
<station idn="000380" id="BBX" name="Sacramento/Oro Dam Blvd West" st="CA" 
co="US" lat="39.48" lon="-121.62" elev="53"/>
<station idn="000347" id="FTG" name="Denver/Boulder/Denver" st="CO" co="US" 
lat="39.78" lon="-104.53" elev="1675"/>
<station idn="000529" id="PUX" name="Pueblo/Pueblo County" st="CO" co="US" 
lat="38.45" lon="-104.17" elev="1600"/>
<station idn="000368" id="GJX" name="Grand Junction/Mesa" st="CO" co="US" 
lat="39.05" lon="-108.20" elev="3045"/>
<station idn="000351" id="DOX" name="Wakefield/Ellendale State Fo" st="DE" 
co="US" lat="38.82" lon="-75.43" elev="15"/>
<station idn="000302" id="MLB" name="Melbourne/Melbourne" st="FL" co="US" 
lat="28.10" lon="-80.65" elev="11"/>
<station idn="000728" id="AMX" name="Miami/Miami" st="FL" co="US" lat="25.60" 
lon="-80.40" elev="4"/>
<station idn="000552" id="TBW" name="Tampa Bay Area/Ruskin" st="FL" co="US" 
lat="27.70" lon="-82.40" elev="12"/>
<station idn="000383" id="JAX" name="Jacksonville/Jacksonville" st="FL" co="US" 
lat="30.48" lon="-81.70" elev="10"/>
<station idn="000551" id="TLH" name="Tallahassee/Tallahassee" st="FL" co="US" 
lat="30.38" lon="-84.32" elev="19"/>
<station idn="000386" id="BYX" name="Miami/Boca Chica Key" st="FL" co="US" 
lat="24.58" lon="-81.70" elev="2"/>
<station idn="000307" id="EVX" name="Tallahassee/Eglin Afb" st="FL" co="US" 
lat="30.55" lon="-85.92" elev="43"/>
<station idn="000316" id="FFC" name="Atlanta/Peachtree City" st="GA" co="US" 
lat="33.35" lon="-84.55" elev="262"/>
<station idn="000535" id="JGX" name="Atlanta/State Hwy 96" st="GA" co="US" 
lat="32.67" lon="-83.35" elev="159"/>
<station idn="000510" id="VAX" name="Tallahassee/State Rd 129" st="GA" co="US" 
lat="30.88" lon="-83.00" elev="54"/>
<station idn="000314" id="GUA" name="Guam/Barrigada Communication" st="GU" 
co="US" lat="13.45" lon="144.80" elev="80"/>
<station idn="000336" id="HMO" name="Honolulu/Molokai" st="HI" co="US" 
lat="21.12" lon="-157.17" elev="415"/>
<station idn="000570" id="HWA" name="Honolulu/Hawaii" st="HI" co="US" 
lat="19.08" lon="-155.57" elev="421"/>
<station idn="000377" id="HKM" name="Honolulu/Kohala" st="HI" co="US" 
lat="20.12" lon="-155.77" elev="1162"/>
<station idn="000550" id="HKI" name="Honolulu/Kauai" st="HI" co="US" 
lat="21.88" lon="-159.55" elev="55"/>
<station idn="000348" id="DMX" name="Des Moines/Johnston" st="IA" co="US" 
lat="41.72" lon="-93.72" elev="299"/>
<station idn="000530" id="DVN" name="Quad Cities/Davenport" st="IA" co="US" 
lat="41.60" lon="-90.57" elev="230"/>
<station idn="000322" id="CBX" name="Boise/Ada County" st="ID" co="US" 
lat="43.48" lon="-116.23" elev="933"/>
<station idn="000546" id="SFX" name="Pocatello/Idaho Falls/Spring" st="ID" 
co="US" lat="43.10" lon="-112.68" elev="1364"/>
<station idn="000337" id="LOT" name="Chicago/Romeoville" st="IL" co="US" 
lat="41.60" lon="-88.08" elev="202"/>
<station idn="000549" id="ILX" name="Central Illinois/Lincoln" st="IL" co="US" 
lat="40.15" lon="-89.33" elev="177"/>
<station idn="000381" id="IND" name="Indianapolis/Indianapolis" st="IN" co="US" 
lat="39.70" lon="-86.27" elev="241"/>
<station idn="000827" id="IWX" name="Northern Indiana/North Webst" st="IN" 
co="US" lat="41.35" lon="-85.70" elev="293"/>
<station idn="000851" id="VWX" name="Evansville/Gibson" st="IN" co="US" 
lat="38.26" lon="-87.72" elev="190"/>
<station idn="000350" id="DDC" name="Dodge City/Dodge City" st="KS" co="US" 
lat="37.75" lon="-99.97" elev="789"/>
<station idn="000562" id="ICT" name="Wichita/Wichita" st="KS" co="US" 
lat="37.65" lon="-97.43" elev="407"/>
<station idn="000554" id="TWX" name="Topeka/Alma" st="KS" co="US" lat="38.98" 
lon="-96.22" elev="417"/>
<station idn="000366" id="GLD" name="Goodland/Goodland" st="KS" co="US" 
lat="39.37" lon="-101.70" elev="1113"/>
<station idn="000397" id="LVX" name="Louisville/Fort Knox" st="KY" co="US" 
lat="37.97" lon="-85.93" elev="219"/>
<station idn="000521" id="PAH" name="Paducah/Paducah" st="KY" co="US" 
lat="37.07" lon="-88.77" elev="119"/>
<station idn="000373" id="JKL" name="Jackson/Noctor" st="KY" co="US" 
lat="37.58" lon="-83.30" elev="416"/>
<station idn="000364" id="HPX" name="Paducah/Us Hwy 41 N" st="KY" co="US" 
lat="36.73" lon="-87.28" elev="176"/>
<station idn="000545" id="LIX" name="New Orleans/Baton Rouge/Slid" st="LA" 
co="US" lat="30.33" lon="-89.82" elev="7"/>
<station idn="000391" id="LCH" name="Lake Charles/Lake Charles" st="LA" co="US" 
lat="30.12" lon="-93.20" elev="4"/>
<station idn="000543" id="SHV" name="Shreveport/Shreveport" st="LA" co="US" 
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<station idn="000339" id="POE" name="Lake Charles/Fort Polk" st="LA" co="US" 
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<station idn="000323" id="BOX" name="Boston/Taunton" st="MA" co="US" 
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<station idn="000303" id="LWX" name="Baltimore/Wash/Sterling" st="MD" co="US" 
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lat="47.03" lon="-113.98" elev="2394"/>
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lat="43.82" lon="-91.18" elev="389"/>
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lat="38.30" lon="-81.72" elev="329"/>
<station idn="000335" id="CYS" name="Cheyenne/Cheyenne" st="WY" co="US" 
lat="41.15" lon="-104.80" elev="1868"/>
<station idn="000392" id="RIW" name="Riverton/Riverton" st="WY" co="US" 
lat="43.05" lon="-108.47" elev="1697"/>
</stationtable>