<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-01 -121 08:00:00.000"
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" >
2026.05.01 (121) 08:00:00</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="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612105010800001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.625" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.069" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.752" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.975" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.975" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.025" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="217.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="217.500" 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="3.525" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="236.062" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.975" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.975" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="214.864" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="203.315" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.432" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="16.583" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.700" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="16.550" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.110" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="27">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.975 3.0 3.025 3.05 3.075 3.1 3.125 3.15 3.175 3.2 3.225 3.25 3.275 3.3 3.325 3.35 3.375 3.4 3.425 3.45 3.475 3.5 3.525 3.55 3.575 3.6 3.625
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
217.500 217.500 217.500 218.750 220.000 220.000 220.000 220.000 222.500 222.500 222.500 222.992 223.538 224.146 224.827 225.597 226.473 227.479 228.646 230.016 231.647 233.622 236.062 239.155 243.200 248.720 256.700
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
84 87 84 84 99 99 90 90 102 102 102 102 99 102 99 102 102 102 102 99 90 87 90 87 78 75 0
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="288">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 135.08333 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 160.16667 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 185.25 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 214.864 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0
</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 0.353812 0.35324875 0.35231337 0.35101187 0.34927908 0.3471288 0.34465033 0.34171918 0.33843222 0.33468077 0.33043912 0.32582152 0.32063016 0.31500506 0.30879995 0.30202654 0.29470333 0.28661102 0.27785686 0.26831484 0.25787413 0.24648583 0.23391104 0.2201678 0.20492378 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.20511627 0.21125582 0.21739535 0.22353488 0.22967441 0.23581396 0.24195349 0.24809302 0.25423256 0.2603721 0.26651162 0.27265117 0.2787907 0.28493023 0.29106978 0.2972093 0.30334884 0.3094884 0.3156279 0.32176745 0.32790697 0.3340465 0.34018606 0.34632558 0.35246512 0.354 0.39771 0.4627251 0.5355381 0.6162678 0.7050914 0.80213064 0.9075532 1.0213745 1.1435783 1.2739801 1.4122016 1.5576259 1.7093604 1.8662688 2.0269098 2.1895816 2.3523846 2.5132482 2.6700633 2.8207002 2.9631119 3.0953763 3.2157571 3.3227386 3.4149816 3.4914184 3.551173 3.5935974 3.618238 3.625 3.6249416 3.621013 3.6111932 3.5958667 3.575419 3.5502334 3.5206878 3.4871516 3.449984 3.4095323 3.3661299 3.3200955 3.2717328 3.221329 3.169156 3.1154687 3.0605063 3.004492 2.9476333 2.8901227 2.832138 2.773843 2.715388 2.656911 2.5985365 2.5403793 2.482542 2.4251177 2.3681896 2.3118322 2.2561116 2.2010863 2.1468074 2.09332 2.0406618 1.9888662 1.9379607 1.8879685 1.838908 1.7907937 1.7436367 1.6974449 1.6522228 1.6079726 1.5646938 1.5223839 1.4810383 1.4406509 1.4012138 1.3627176 1.3251522 1.2885059 1.2527664 1.2179205 1.1839542 1.1508532 1.1186024 1.0871865 1.0565897 1.0267963 0.99779004 0.9695546 0.94207376 0.9153311 0.8893104 0.86399525 0.8393694 0.8154169 0.79212165 0.7694679 0.74744004 0.72602266 0.70520055 0.68495876 0.66528255 0.6461574 0.6275691 0.6095037 0.59194744 0.574887 0.5583091 0.5422009 0.52654994 0.5113437 0.49657023 0.48221773 0.46827474 0.45472997 0.44157252 0.42879164 0.41637698 0.40431827 0.39260566 0.3812295 0.37018028 0.3594489 0.34902644 0.33890414 0.32907358 0.31952643 0.31025475 0.30125067 0.2925066 0.28401518 0.27576914 0.26776153 0.2599855 0.2524345 0.24510202 0.23798184 0.23106785 0.22435415 0.21783498 0.21150476 0.20535803 0.19938953 0.19359411 0.18796681 0.18250276 0.17719726 0.17204574 0.16704373 0.16218692 0.15747114 0.15289228 0.1484464 0.14412963 0.13993827 0.13586864 0.13191725 0.12808068 0.124355584 0.12073874 0.117226996 0.11381733 0.11050676 0.10729242 0.104171515 0.10114134 0.09819926 0.09534272 0.092569225 0.089876376 0.08726183 0.08472331 0.082258604 0.07986558 0.07754215 0.075286284 0.07309603 0.07096947 0.068904765 0.06690012 0.064953774 0.06306404 0.061229274 0.059447877 0.0577183 0.05603903 0.054408614 0.052825622 0.051288683

</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="3.625" PeakHeight="214.864" Num="5" zHalfNm="203.315" Error="0.188">
-29.809 0.328 -0.215 0.115 -0.033
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" 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="6505.083" A="-2.40913678E11" B="7.4356072E7" C="-5737.226" Error="0.00142"/>
<QuasiParabolic ID="2" StartDistance="6505.083" EndDistance="6530.167" A="0.0" B="-2208.5496" C="0.37952426" Error="0.0329"/>
<QuasiParabolic ID="3" StartDistance="6530.167" EndDistance="6552.0" A="1.10637081E11" B="-3.396636E7" C="2607.0037" Error="0.0329"/>
<QuasiParabolic ID="4" StartDistance="6552.0" EndDistance="6554.0" A="-1.66780128E12" B="5.08902496E8" C="-38820.72" Error="0.00363"/>
<QuasiParabolic ID="5" StartDistance="6554.0" EndDistance="6559.0" A="1.90746104E13" B="-5.8207928E9" C="444067.22" Error="0.0332"/>
<QuasiParabolic ID="6" StartDistance="6559.0" EndDistance="6561.0" A="2.58358137E13" B="-7.8824494E9" C="601229.7" Error="0.00109"/>
<QuasiParabolic ID="7" StartDistance="6561.0" EndDistance="6563.0" A="3.6138392E13" B="-1.10230006E10" C="840564.44" Error="0.00105"/>
<QuasiParabolic ID="8" StartDistance="6563.0" EndDistance="6568.0" A="5.3735561E13" B="-1.63855391E10" C="1249107.6" Error="0.0113"/>
<QuasiParabolic ID="9" StartDistance="6568.0" EndDistance="6577.0" A="4.1839248E13" B="-1.27630326E10" C="973338.3" Error="0.0303"/>
<QuasiParabolic ID="10" StartDistance="6577.0" EndDistance="6584.864" A="-1.10514793E14" B="3.35663084E10" C="-2548734.2" Error="0.00883"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="75.25" Depth="0.154"/>
<TopsideChapman PeakHeight="214.864" PeakDensity="163035.05" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
