<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-05 -095 07:00:00.000"
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" >
2026.04.05 (095) 07:00:00</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">
FF202609504050700001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.750" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.156" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.430" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.425" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.425" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.050" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="205.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="205.000" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.650" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="223.192" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.425" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.425" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="204.096" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="192.149" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.995" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="17.069" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.411" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="16.160" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.720" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="14">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
205.000 207.500 207.500 210.000 212.500 215.000 216.340 218.029 220.224 223.192 227.430 233.974 245.408 270.485
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
60 63 63 63 63 69 69 66 0 66 63 69 60 66
</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
</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 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 132.16667 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 154.33333 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 176.5 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 204.096 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0
</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 0.35376927 0.35314414 0.35199788 0.3504718 0.34844965 0.34601614 0.3430702 0.33964738 0.3357888 0.33131224 0.32640406 0.3208713 0.31475306 0.30806717 0.30063042 0.2924594 0.2835998 0.27378997 0.26306203 0.251229 0.23810448 0.22358955 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.219 0.22306015 0.22915037 0.23524061 0.24133083 0.24742106 0.25351128 0.2596015 0.26569173 0.27178195 0.27787217 0.2839624 0.29005262 0.29614285 0.30223307 0.3083233 0.31441355 0.32050377 0.326594 0.33268422 0.33877444 0.34486467 0.3509549 0.354 0.37884256 0.4369402 0.50445855 0.57876056 0.6581246 0.74208885 0.83090925 0.92524445 1.0259267 1.1337866 1.2495475 1.3735014 1.5052156 1.6430734 1.7840742 1.9240344 2.05841 2.1833344 2.2962248 2.395876 2.4820077 2.554976 2.6154091 2.6639667 2.7012596 2.7277985 2.7439537 2.7499537 2.75 2.7480755 2.741637 2.730953 2.7163165 2.6980183 2.6763463 2.651583 2.6240022 2.59387 2.5614412 2.5269608 2.4906616 2.4527647 2.413479 2.3730006 2.331514 2.289191 2.246192 2.2026656 2.158749 2.1145694 2.070243 2.0258758 1.9815658 1.937401 1.8934617 1.8498198 1.8065404 1.7636814 1.7212944 1.679425 1.6381134 1.5973945 1.5572987 1.5178516 1.4790753 1.4409881 1.4036046 1.3669368 1.3309935 1.2957811 1.2613038 1.2275636 1.1945605 1.1622931 1.1307582 1.0999513 1.0698668 1.0404979 1.0118369 0.98387533 0.9566039 0.9300127 0.90409136 0.87882894 0.8542142 0.83023554 0.8068811 0.7841389 0.7619967 0.74044216 0.71946293 0.6990466 0.6791808 0.6598531 0.6410512 0.6227629 0.604976 0.5876786 0.5708587 0.55450463 0.5386048 0.5231478 0.5081225 0.49351773 0.47932273 0.46552682 0.4521196 0.43909082 0.42643043 0.41412866 0.40217584 0.39056262 0.37927982 0.3683184 0.35766965 0.34732497 0.337276 0.32751462 0.31803283 0.30882287 0.2998772 0.29118842 0.28274935 0.274553 0.2665925 0.25886127 0.25135282 0.24406083 0.23697919 0.23010193 0.22342324 0.2169375 0.21063916 0.20452292 0.19858357 0.19281606 0.18721546 0.181777 0.17649601 0.171368 0.16638857 0.16155344 0.15685847 0.15229964 0.147873 0.14357476 0.1394012 0.13534875 0.13141389 0.12759325 0.12388351 0.12028147 0.11678403 0.11338815 0.1100909 0.10688941 0.103780925 0.100762755 0.09783226 0.09498693 0.09222428 0.08954191 0.0869375 0.08440879 0.08195358 0.07956974 0.0772552 0.075007945 0.07282603 0.070707545 0.06865066 0.06665359 0.06471459 0.06283197 0.061004095 0.059229378 0.057506274 0.055833288 0.054208953 0.052631862 0.05110064

</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="2.75" PeakHeight="204.096" Num="5" zHalfNm="192.149" Error="0.804">
-28.772 2.128 -1.498 0.818 -0.272
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="6502.167" A="-2.79250174E11" B="8.6188328E7" C="-6650.2085" Error="0.00132"/>
<QuasiParabolic ID="2" StartDistance="6502.167" EndDistance="6524.333" A="0.0" B="5722.3413" C="-0.832044" Error="0.0611"/>
<QuasiParabolic ID="3" StartDistance="6524.333" EndDistance="6543.0" A="-5.1080319E10" B="1.5485599E7" C="-1173.4692" Error="0.0611"/>
<QuasiParabolic ID="4" StartDistance="6543.0" EndDistance="6546.0" A="1.02024426E12" B="-3.11986368E8" C="23851.135" Error="0.0034"/>
<QuasiParabolic ID="5" StartDistance="6546.0" EndDistance="6550.0" A="2.03782378E13" B="-6.2264361E9" C="475611.72" Error="0.0476"/>
<QuasiParabolic ID="6" StartDistance="6550.0" EndDistance="6557.0" A="2.22833389E13" B="-6.8081459E9" C="520017.06" Error="0.0518"/>
<QuasiParabolic ID="7" StartDistance="6557.0" EndDistance="6563.0" A="5.3181103E13" B="-1.62325053E10" C="1238665.9" Error="0.0269"/>
<QuasiParabolic ID="8" StartDistance="6563.0" EndDistance="6574.096" A="-5.0873443E13" B="1.54769398E10" C="-1177107.9" Error="0.00927"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="66.5" Depth="0.135"/>
<TopsideChapman PeakHeight="204.096" PeakDensity="93827.55" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
