<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-23 -113 07:50:00.000"
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: 100%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.23 (113) 07:50:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.20" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202611304230750001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.775" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.107" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.397" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" 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="2.675" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="227.350" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="204.909" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="190.997" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.723" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="19.867" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.440" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.668" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="18.820" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.610" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="32">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 2.025 2.05 2.075 2.1 2.125 2.15 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" >
200.000 200.000 200.000 200.000 202.500 202.500 202.500 202.500 205.000 205.000 205.000 206.250 207.500 207.500 207.500 210.000 210.000 212.500 212.500 212.500 215.000 217.500 217.500 218.718 220.193 222.015 224.326 227.350 231.477 237.449 246.856 263.857
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 66 66 66 69 84 84 72 72 72 72 54 60 57 57 69 72 69 75 75 75 72 75 72 72 69 69 69 66 69 69 51
</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 -1.5625 1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="268">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 204.909 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0
</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 0.39712 0.44862452 0.5075684 0.572518 0.64230335 0.7163047 0.7944293 0.8768876 0.9640225 1.0562625 1.1540194 1.257532 1.366776 1.481306 1.6001222 1.7215074 1.8431953 1.962614 2.0772154 2.1848812 2.2841108 2.3740554 2.4543102 2.5248919 2.5860221 2.6380014 2.6811814 2.7158995 2.7424378 2.7610283 2.771839 2.775 2.7749803 2.7722266 2.7650192 2.7536452 2.738393 2.7195492 2.6973965 2.6722116 2.6442642 2.6138144 2.5811124 2.5463984 2.5099003 2.471835 2.4324067 2.3918083 2.3502204 2.3078117 2.2647395 2.2211497 2.177177 2.132946 2.0885715 2.044158 1.9998012 1.9555883 1.9115982 1.8679023 1.8245645 1.7816421 1.7391864 1.6972425 1.6558502 1.6150444 1.574855 1.535308 1.4964253 1.4582251 1.4207225 1.3839293 1.3478546 1.3125051 1.2778852 1.2439971 1.2108411 1.178416 1.146719 1.1157459 1.0854913 1.0559487 1.0271108 0.9989693 0.97151524 0.94473904 0.9186305 0.893179 0.8683736 0.8442028 0.8206552 0.7977188 0.77538174 0.75363183 0.732457 0.71184486 0.69178337 0.6722602 0.65326333 0.6347805 0.6167999 0.5993095 0.5822977 0.56575274 0.5496632 0.53401786 0.5188055 0.5040152 0.48963627 0.47565806 0.46207026 0.44886264 0.4360253 0.4235484 0.41142246 0.39963806 0.3881861 0.37705758 0.3662438 0.35573626 0.34552652 0.33560652 0.3259683 0.31660408 0.30750635 0.29866773 0.290081 0.2817392 0.2736355 0.26576325 0.25811595 0.25068736 0.2434713 0.23646179 0.22965303 0.22303936 0.21661527 0.2103754 0.20431453 0.19842759 0.19270965 0.1871559 0.1817617 0.17652248 0.17143385 0.1664915 0.16169126 0.15702909 0.15250105 0.14810328 0.14383209 0.13968383 0.13565499 0.13174215 0.127942 0.12425129 0.1206669 0.11718577 0.11380494 0.110521525 0.107332736 0.10423586 0.10122824 0.09830732 0.0954706 0.09271567 0.090040185 0.08744184 0.08491842 0.08246777 0.08008781 0.077776484 0.07553183 0.07335192 0.0712349 0.06917894 0.067182295 0.06524326 0.06336016 0.061531395 0.059755392 0.05803064 0.056355648 0.054728992 0.05314927 0.05161514 0.05012528

</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="204.909" Num="5" zHalfNm="190.997" Error="0.562">
-33.343 2.571 -1.655 0.804 -0.286
</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="-1264.2903" C="0.24885587" Error="0.0132"/>
<QuasiParabolic ID="3" StartDistance="6522.0" EndDistance="6542.0" A="7.6114444E10" B="-2.3443806E7" C="1805.2361" Error="0.0138"/>
<QuasiParabolic ID="4" StartDistance="6542.0" EndDistance="6552.0" A="1.41866922E13" B="-4.3372861E9" C="331508.84" Error="0.0275"/>
<QuasiParabolic ID="5" StartDistance="6552.0" EndDistance="6557.0" A="3.5325338E13" B="-1.07898644E10" C="823921.75" Error="0.00489"/>
<QuasiParabolic ID="6" StartDistance="6557.0" EndDistance="6563.0" A="2.30112646E13" B="-7.033856E9" C="537509.6" Error="0.0142"/>
<QuasiParabolic ID="7" StartDistance="6563.0" EndDistance="6574.909" A="-3.8830502E13" B="1.18117233E10" C="-898234.6" Error="0.00643"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="63.0" Depth="0.121"/>
<TopsideChapman PeakHeight="204.909" PeakDensity="95541.25" PeakScaleHeight="10.668" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
