<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-21 -052 06:35:00.000"
URSICode="SMK29"
StationName="Santa Maria"
GeoLatitude="-29.69"
GeoLongitude="307.81"
Source="Ionosonde"
SourceType="DPS-4D"
ScalerType="auto">
<SystemInfo UMLStationID="129">
<FrequencyStepping StartFrequency="2.0" StopFrequency="15.0">
<LinearStepping Step="0.025" Units="MHz" />
</FrequencyStepping>
<RangeStepping StartRange="80.0" StopRange="1360.0" >
<LinearStepping Step="2.5" Units="km" />
</RangeStepping>
<AutoScaler Name="Artist5" Version="500200" ArtistFlags="2 2 0 0 0 0 0 0 0 55 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 20% PACIFIC flags: F2x cusp not found, Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, F2 cusps do not match, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.02.21 (052) 06:35:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.16" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.96" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="85.88234" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202605202210635001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="23" >
<URSI ID="00" Val="6.000" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.222" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="25.332" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="5.150" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="5.150" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="202.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="202.500" Name="h`F2" Units="km" QL="/" DL="/" />
<URSI ID="90" Val="110.000" Name="hmE" Units="km" QL="/" DL="/" />
<URSI ID="83" Val="20.000" Name="yE" Units="km" QL="/" DL="/" />
<URSI ID="86" Val="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="5.800" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="218.665" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="5.150" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="5.150" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="210.662" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="195.812" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.603" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="21.166" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.126" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.485" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="18.300" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.490" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="35">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
5.15 5.175 5.2 5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55 5.575 5.6 5.625 5.65 5.675 5.7 5.725 5.75 5.775 5.8 5.825 5.85 5.875 5.9 5.925 5.95 5.975 6.0
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
202.500 202.500 202.500 202.500 202.500 202.500 203.750 205.000 205.000 205.833 206.667 207.500 207.500 207.500 207.500 210.000 210.000 210.000 210.000 210.000 210.000 210.954 212.047 213.312 214.792 216.548 218.665 221.267 224.542 228.790 234.520 242.671 255.191 276.877 323.600
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 108 108 108 111 111 108 111 108 63 66 75 69 99 108 102 102 111 108 66 69 102 102 99 102 54 54 90 0 0 0 0 0 0 93
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 4.6875 -1.5625 -1.5625 -1.5625 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="316">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 131.58333 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 153.16667 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 174.75 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 210.662 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.21213934 0.23390245 0.2526677 0.26895854 0.28319094 0.29565945 0.30659118 0.31614733 0.32445762 0.331616 0.33769703 0.34275886 0.34684667 0.3499937 0.352225 0.3535571 0.354 0.35378125 0.3531261 0.35197777 0.35040918 0.3483742 0.34589443 0.34293804 0.3394836 0.33552164 0.3310028 0.32600388 0.32038844 0.31416655 0.30732158 0.2998168 0.29156289 0.28250316 0.2724882 0.26154712 0.24950138 0.23614414 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.23094209 0.23687258 0.24280308 0.2487336 0.2546641 0.2605946 0.2665251 0.2724556 0.2783861 0.2843166 0.2902471 0.2961776 0.3021081 0.30803862 0.3139691 0.31989962 0.3258301 0.33176062 0.33769113 0.3436216 0.34955212 0.354 0.36054748 0.39125162 0.43195692 0.48826522 0.56772095 0.67456615 0.80255014 0.94165426 1.0873009 1.2393235 1.3994994 1.5702562 1.7545135 1.9556909 2.177512 2.4238832 2.6979744 3.0002837 3.3257687 3.661843 3.9912174 4.298346 4.574512 4.81756 5.0290194 5.211967 5.3696313 5.504908 5.6202955 5.7178173 5.7990932 5.8653955 5.917721 5.9568315 5.9832535 5.9973497 6.0 5.9994955 5.9922423 5.9767613 5.9535513 5.9231114 5.885939 5.8425245 5.7933493 5.738884 5.679585 5.6158924 5.54823 5.477005 5.4026036 5.325395 5.245728 5.1639323 5.0803185 4.9951773 4.908783 4.8213887 4.733232 4.644533 4.5554953 4.466306 4.377139 4.2881517 4.19949 4.111286 4.023659 3.9367187 3.8505623 3.765278 3.6809447 3.5976315 3.5154004 3.4343054 3.3543935 3.2757049 3.198274 3.1221297 3.0472958 2.9737911 2.9016302 2.830824 2.761379 2.6932995 2.6265857 2.5612361 2.4972458 2.4346082 2.3733146 2.3133545 2.2547157 2.1973846 2.1413465 2.0865853 2.0330842 1.9808254 1.9297904 1.87996 1.8313146 1.7838341 1.7374982 1.6922859 1.6481766 1.605149 1.5631821 1.5222547 1.4823456 1.4434336 1.4054979 1.3685173 1.3324713 1.2973391 1.2631005 1.2297354 1.1972238 1.165546 1.1346828 1.104615 1.0753237 1.0467907 1.0189978 0.99192697 0.9655608 0.93988204 0.9148739 0.8905198 0.86680347 0.8437091 0.8212211 0.79932433 0.7780038 0.757245 0.73703367 0.71735585 0.6981979 0.67954654 0.6613888 0.643712 0.62650365 0.6097517 0.59344435 0.57757 0.5621175 0.54707575 0.5324341 0.51818204 0.5043095 0.49080637 0.4776631 0.46487015 0.4524184 0.44029874 0.42850253 0.4170212 0.4058464 0.39497006 0.3843843 0.37408143 0.36405393 0.3542945 0.3447961 0.33555168 0.32655457 0.3177982 0.30927613 0.30098218 0.29291022 0.2850544 0.2774089 0.26996815 0.26272672 0.25567922 0.24882054 0.24214563 0.23564956 0.22932757 0.223175 0.21718735 0.21136019 0.20568922 0.2001703 0.19479932 0.18957235 0.18448554 0.17953514 0.17471747 0.17002901 0.1654663 0.16102594 0.1567047 0.15249936 0.14840682 0.14442405 0.14054814 0.1367762 0.13310544 0.12953317 0.12605675 0.12267359 0.119381204 0.11617716 0.11305907 0.11002466 0.10707167 0.10419791 0.10140127 0.09867968 0.096031114 0.09345362 0.0909453 0.0885043 0.0861288 0.08381705 0.08156734 0.07937801 0.07724743 0.07517403 0.07315628 0.07119268 0.06928178 0.06742217 0.065612465 0.063851334 0.06213747 0.060469605 0.058846503 0.057266966 0.05572982 0.05423394 0.052778203 0.05136154

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.354" PeakHeight="110.0" Num="3" Error="0.0">
-18.791 2.435 -0.142
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.354" EndFrequency="6.0" PeakHeight="210.662" Num="5" zHalfNm="195.812" Error="2.106">
-39.017 6.565 -4.328 1.98 -1.112
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="18" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.0205" EndDistance="6480.001" A="-5.5027394E11" B="1.69837632E8" C="-13104.63" Error="0.0016"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6501.583" A="-2.82569605E11" B="8.721284E7" C="-6729.2603" Error="0.0016"/>
<QuasiParabolic ID="2" StartDistance="6501.583" EndDistance="6523.167" A="0.0" B="1230.7799" C="-0.13814712" Error="0.0107"/>
<QuasiParabolic ID="3" StartDistance="6523.167" EndDistance="6525.0" A="-3.10187E12" B="9.5072602E8" C="-72849.54" Error="0.0374"/>
<QuasiParabolic ID="4" StartDistance="6525.0" EndDistance="6533.0" A="4.1968812E11" B="-1.286788E8" C="9863.473" Error="0.0388"/>
<QuasiParabolic ID="5" StartDistance="6533.0" EndDistance="6539.0" A="-2.65751937E11" B="8.1160496E7" C="-6196.4766" Error="0.0134"/>
<QuasiParabolic ID="6" StartDistance="6539.0" EndDistance="6540.0" A="1.80171846E12" B="-5.5119014E8" C="42155.766" Error="7.11E-11"/>
<QuasiParabolic ID="7" StartDistance="6540.0" EndDistance="6541.0" A="-1.67136408E12" B="5.10914624E8" C="-39044.902" Error="0.0"/>
<QuasiParabolic ID="8" StartDistance="6541.0" EndDistance="6542.0" A="1.80283153E12" B="-5.5136813E8" C="42156.957" Error="0.0"/>
<QuasiParabolic ID="9" StartDistance="6542.0" EndDistance="6543.0" A="-1.80370709E12" B="5.5121171E8" C="-42112.367" Error="0.0"/>
<QuasiParabolic ID="10" StartDistance="6543.0" EndDistance="6545.0" A="2.76206715E12" B="-8.4440934E8" C="64537.566" Error="0.00252"/>
<QuasiParabolic ID="11" StartDistance="6545.0" EndDistance="6546.0" A="2.58448965E13" B="-7.897986E9" C="603389.9" Error="0.0"/>
<QuasiParabolic ID="12" StartDistance="6546.0" EndDistance="6547.0" A="-8.2595388E12" B="2.5219456E9" C="-192510.8" Error="0.0"/>
<QuasiParabolic ID="13" StartDistance="6547.0" EndDistance="6552.0" A="4.1289303E13" B="-1.26144041E10" C="963465.2" Error="0.0378"/>
<QuasiParabolic ID="14" StartDistance="6552.0" EndDistance="6557.0" A="6.8443055E13" B="-2.09030943E10" C="1595996.6" Error="0.00986"/>
<QuasiParabolic ID="15" StartDistance="6557.0" EndDistance="6562.0" A="2.09286089E14" B="-6.386269E10" C="4871854.0" Error="0.0144"/>
<QuasiParabolic ID="16" StartDistance="6562.0" EndDistance="6564.0" A="4.45732176E14" B="-1.35927939E11" C="1.0362958E7" Error="0.00524"/>
<QuasiParabolic ID="17" StartDistance="6564.0" EndDistance="6580.662" A="-1.51395802E14" B="4.6012334E10" C="-3495990.2" Error="0.0137"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="64.75" Depth="0.128"/>
<TopsideChapman PeakHeight="210.662" PeakDensity="446650.12" PeakScaleHeight="11.485" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
