<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-06 -096 07:55:00.000"
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 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 90% PACIFIC flags: One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.06 (096) 07:55:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202609604060755001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.775" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.030" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.184" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.175" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.175" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.075" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="200.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="200.000" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.625" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="228.504" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.175" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.175" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="208.045" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="192.962" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.714" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="21.527" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.475" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.545" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="20.480" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.560" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="25">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 2.425 2.45 2.475 2.5 2.525 2.55 2.575 2.6 2.625 2.65 2.675 2.7 2.725 2.75 2.775
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
200.000 201.071 202.143 203.214 204.286 205.357 206.429 207.500 207.500 210.000 212.500 212.500 215.000 215.000 218.125 220.173 222.531 225.273 228.504 232.364 237.060 242.895 250.340 260.169 273.744
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
75 0 0 0 0 0 0 51 63 63 63 63 63 63 0 0 0 63 66 69 66 66 63 63 63
</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 -4.6875 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="283">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 208.045 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0
</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 0.3537932 0.35311493 0.35197127 0.35037374 0.3483392 0.3457767 0.34277558 0.3392647 0.33529535 0.33075 0.32564294 0.31998846 0.3136597 0.3067674 0.2990953 0.29073656 0.2815179 0.271331 0.26021352 0.24793555 0.233 0.233 0.233 0.233 0.233 0.233 0.233 0.233 0.233 0.233 0.233 0.233 0.233 0.233 0.233 0.233 0.233 0.233 0.233 0.233 0.233 0.233 0.2387619 0.24452381 0.2502857 0.2560476 0.26180953 0.26757142 0.27333334 0.27909523 0.28485715 0.29061905 0.29638097 0.30214286 0.30790475 0.31366667 0.31942856 0.32519048 0.33095238 0.3367143 0.3424762 0.34823808 0.354 0.39621493 0.4429115 0.49353984 0.5477687 0.60544103 0.66660225 0.73141193 0.80013853 0.873108 0.950651 1.033133 1.1208165 1.2138542 1.3122 1.4155219 1.5230587 1.6336466 1.7456641 1.8572111 1.966305 2.0711186 2.1701663 2.2623274 2.3469226 2.4236207 2.4923139 2.5530472 2.606002 2.651377 2.6893754 2.7202146 2.7440696 2.7610867 2.771374 2.774993 2.775 2.7731779 2.7675064 2.7582073 2.7455082 2.7296357 2.710815 2.6892672 2.6652083 2.6388493 2.6103935 2.5800376 2.54797 2.514371 2.479412 2.4432564 2.4060578 2.367962 2.3291056 2.2896168 2.2496154 2.2092135 2.1685147 2.1276152 2.0866044 2.0455642 2.00457 1.9636912 1.9229909 1.8825265 1.8423504 1.8025095 1.7630465 1.7239994 1.6854022 1.6472849 1.609674 1.5725926 1.536061 1.5000963 1.4647131 1.4299234 1.3957373 1.3621624 1.3292047 1.2968684 1.2651561 1.2340691 1.203607 1.1737685 1.1445513 1.1159518 1.0879658 1.0605885 1.0338138 1.0076355 0.98204654 0.95703965 0.9326069 0.9087401 0.8854307 0.86267 0.8404489 0.8187583 0.79758877 0.77693087 0.7567751 0.7371118 0.71793133 0.6992241 0.6809805 0.6631908 0.64584553 0.6289352 0.6124503 0.59638155 0.58071965 0.56545556 0.5505801 0.5360844 0.5219597 0.5081974 0.49478886 0.48172575 0.4689998 0.45660296 0.4445272 0.4327648 0.42130807 0.41014946 0.39928168 0.38869748 0.3783898 0.36835176 0.3585766 0.34905767 0.33978853 0.33076283 0.3219744 0.31341717 0.3050853 0.29697296 0.28907454 0.28138453 0.2738976 0.26660842 0.25951195 0.25260317 0.24587724 0.23932937 0.23295493 0.22674942 0.2207084 0.2148276 0.20910282 0.20352997 0.19810505 0.19282421 0.18768366 0.1826797 0.17780872 0.17306724 0.16845186 0.16395922 0.15958612 0.15532936 0.1511859 0.14715272 0.14322692 0.13940567 0.13568616 0.13206574 0.12854175 0.12511165 0.12177296 0.11852323 0.11536012 0.112281315 0.10928459 0.106367745 0.10352868 0.10076531 0.098075636 0.09545769 0.09290956 0.0904294 0.08801539 0.085665785 0.08337885 0.08115294 0.07898641 0.07687768 0.07482523 0.07282754 0.070883155 0.06899066 0.06714867 0.065355845 0.06361086 0.06191245 0.060259376 0.05865042 0.05708441 0.055560205 0.054076683 0.05263276 0.051227387

</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="2.775" PeakHeight="208.045" Num="5" zHalfNm="192.962" Error="1.213">
-36.288 2.381 -1.777 0.842 -0.203
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" 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="6501.0" A="-2.85457187E11" B="8.8104064E7" C="-6798.028" Error="0.00167"/>
<QuasiParabolic ID="2" StartDistance="6501.0" EndDistance="6522.0" A="0.0" B="-2676.2441" C="0.46604615" Error="0.0261"/>
<QuasiParabolic ID="3" StartDistance="6522.0" EndDistance="6541.0" A="1.03963312E11" B="-3.1970242E7" C="2457.866" Error="0.0261"/>
<QuasiParabolic ID="4" StartDistance="6541.0" EndDistance="6544.0" A="6.5488966E12" B="-2.00259648E9" C="153094.33" Error="0.0224"/>
<QuasiParabolic ID="5" StartDistance="6544.0" EndDistance="6551.0" A="1.10158267E13" B="-3.3677952E9" C="257403.52" Error="0.0292"/>
<QuasiParabolic ID="6" StartDistance="6551.0" EndDistance="6565.0" A="2.36298699E13" B="-7.2188237E9" C="551330.3" Error="0.0207"/>
<QuasiParabolic ID="7" StartDistance="6565.0" EndDistance="6578.045" A="-3.32398298E13" B="1.01062943E10" C="-768176.06" Error="0.00893"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="63.0" Depth="0.121"/>
<TopsideChapman PeakHeight="208.045" PeakDensity="95541.25" PeakScaleHeight="11.545" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
