<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-06-02 -153 22:45:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.06.02 (153) 22:45:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.00" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="73.46457" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202615306022245001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.900" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.312" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="16.815" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.100" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.100" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.375" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="212.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="212.500" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.850" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="218.521" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.400" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.400" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="204.576" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="196.694" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.468" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="11.424" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.740" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="11.990" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.700" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="33">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.65 3.675 3.7 3.725 3.75 3.775 3.8 3.825 3.85 3.875 3.9
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
215.000 215.000 217.500 216.250 215.000 215.000 215.000 214.583 214.167 213.750 213.333 212.917 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.500 212.655 212.838 213.057 213.325 213.658 214.084 214.650 215.437 216.605 218.521 222.242 232.586
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
90 81 0 0 87 93 90 0 0 0 0 0 81 81 81 0 81 84 84 84 0 0 81 93 93 72 0 57 57 0 0 0 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 -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="281">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 133.91667 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 157.83333 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 181.75 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 204.576 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0
</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 0.35317364 0.35216394 0.3506408 0.34876516 0.34647703 0.34372342 0.34053037 0.33679065 0.33268294 0.3279859 0.32283023 0.31710255 0.31084144 0.3038868 0.296354 0.2880265 0.27895737 0.26904914 0.25815907 0.24620353 0.23298319 0.21839198 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 0.20107317 0.2075122 0.21395122 0.22039025 0.22682928 0.23326829 0.23970732 0.24614634 0.25258535 0.25902438 0.2654634 0.27190244 0.27834147 0.2847805 0.2912195 0.29765853 0.30409756 0.3105366 0.31697562 0.32341462 0.32985365 0.33629268 0.3427317 0.34917074 0.354 0.37472323 0.45917583 0.5529721 0.66157585 0.7882003 0.93380475 1.0964485 1.2721839 1.4566715 1.6465126 1.8394152 2.0340414 2.229646 2.425773 2.6219285 2.8174927 3.0114112 3.2017224 3.3851993 3.5563805 3.7064834 3.822636 3.889253 3.9 3.8993938 3.8932996 3.880986 3.8628674 3.8393586 3.81087 3.7778063 3.7405617 3.6995194 3.6550484 3.6075034 3.5572226 3.5045276 3.4497228 3.3930953 3.3349144 3.2754328 3.2148852 3.1534905 3.0914512 3.028954 2.9661713 2.9032602 2.8403654 2.777618 2.715137 2.6530304 2.5913947 2.5303168 2.4698746 2.4101362 2.3511624 2.2930064 2.2357142 2.1793253 2.1238732 2.0693867 2.0158887 1.9633982 1.9119295 1.8614935 1.8120974 1.7637458 1.7164397 1.6701783 1.6249582 1.5807737 1.5376177 1.4954814 1.4543545 1.4142253 1.3750814 1.3369089 1.2996937 1.2634205 1.2280734 1.1936364 1.1600927 1.1274256 1.0956177 1.0646515 1.0345097 1.0051746 0.9766287 0.9488544 0.9218342 0.89555055 0.86998636 0.84512436 0.8209477 0.79743963 0.77458364 0.7523634 0.73076284 0.70976627 0.6893581 0.66952324 0.6502466 0.6315136 0.61330986 0.5956213 0.57843417 0.561735 0.5455106 0.5297481 0.51443493 0.4995588 0.48510772 0.47106996 0.4574341 0.444189 0.43132386 0.41882798 0.40669113 0.3949032 0.3834544 0.37233523 0.36153635 0.35104874 0.34086356 0.33097225 0.32136652 0.31203818 0.30297938 0.29418242 0.28563985 0.27734438 0.26928893 0.26146665 0.25387087 0.2464951 0.23933297 0.23237841 0.2256254 0.21906817 0.21270108 0.20651865 0.20051555 0.19468664 0.18902685 0.18353133 0.17819533 0.17301422 0.16798356 0.16309898 0.15835623 0.15375125 0.14928004 0.1449387 0.14072351 0.13663079 0.13265699 0.12879866 0.12505248 0.121415175 0.11788359 0.11445466 0.11112541 0.10789294 0.10475445 0.101707205 0.098748565 0.09587594 0.09308685 0.09037887 0.08774964 0.08519686 0.08271832 0.080311865 0.07797539 0.075706884 0.07350435 0.07136588 0.0692896 0.06727372 0.065316476 0.06341617 0.061571132 0.059779767 0.05804051 0.05635185 0.054712314 0.05312047 0.051574938 0.050074365

</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="3.9" PeakHeight="204.576" Num="5" zHalfNm="196.694" Error="0.583">
-21.572 -2.197 1.457 -0.744 0.23
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="20" 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="6503.917" A="-2.64886878E11" B="8.1755208E7" C="-6308.147" Error="0.00151"/>
<QuasiParabolic ID="2" StartDistance="6503.917" EndDistance="6527.833" A="0.0" B="1092.9231" C="-0.12802961" Error="0.0151"/>
<QuasiParabolic ID="3" StartDistance="6527.833" EndDistance="6529.0" A="-9.3803438E12" B="2.87343795E9" C="-220051.73" Error="0.0208"/>
<QuasiParabolic ID="4" StartDistance="6529.0" EndDistance="6540.0" A="4.57216164E11" B="-1.40058816E8" C="10726.085" Error="0.0795"/>
<QuasiParabolic ID="5" StartDistance="6540.0" EndDistance="6542.0" A="-1.63357039E12" B="4.9932544E8" C="-38156.504" Error="0.0103"/>
<QuasiParabolic ID="6" StartDistance="6542.0" EndDistance="6543.0" A="3.32443392E12" B="-1.01642029E9" C="77690.77" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6543.0" EndDistance="6544.0" A="-3.171297E12" B="9.6913094E8" C="-74040.18" Error="1.64E-10"/>
<QuasiParabolic ID="8" StartDistance="6544.0" EndDistance="6545.0" A="3.32651902E12" B="-1.01675418E9" C="77693.09" Error="0.0"/>
<QuasiParabolic ID="9" StartDistance="6545.0" EndDistance="6546.0" A="-3.17307434E12" B="9.6937062E8" C="-74035.305" Error="0.0"/>
<QuasiParabolic ID="10" StartDistance="6546.0" EndDistance="6547.0" A="3.32861879E12" B="-1.01709222E9" C="77695.734" Error="1.45E-10"/>
<QuasiParabolic ID="11" StartDistance="6547.0" EndDistance="6548.0" A="-3.17496125E12" B="9.6964365E8" C="-74032.984" Error="0.0"/>
<QuasiParabolic ID="12" StartDistance="6548.0" EndDistance="6549.0" A="3.33081477E12" B="-1.01745958E9" C="77700.62" Error="0.0"/>
<QuasiParabolic ID="13" StartDistance="6549.0" EndDistance="6550.0" A="-4.31207272E12" B="1.31660288E9" C="-100499.3" Error="1.29E-10"/>
<QuasiParabolic ID="14" StartDistance="6550.0" EndDistance="6552.0" A="1.16363782E13" B="-3.55315328E9" C="271237.8" Error="0.0218"/>
<QuasiParabolic ID="15" StartDistance="6552.0" EndDistance="6558.0" A="4.6189592E13" B="-1.41005322E10" C="1076135.5" Error="0.0672"/>
<QuasiParabolic ID="16" StartDistance="6558.0" EndDistance="6560.0" A="1.15254684E14" B="-3.5163382E10" C="2682025.2" Error="0.0149"/>
<QuasiParabolic ID="17" StartDistance="6560.0" EndDistance="6568.0" A="6.8917289E13" B="-2.10361303E10" C="1605253.0" Error="0.00728"/>
<QuasiParabolic ID="18" StartDistance="6568.0" EndDistance="6572.0" A="-2.70253949E12" B="7.725879E8" C="-54972.22" Error="0.00631"/>
<QuasiParabolic ID="19" StartDistance="6572.0" EndDistance="6574.576" A="-4.18097652E14" B="1.27186199E11" C="-9672563.0" Error="0.00283"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="71.75" Depth="0.154"/>
<TopsideChapman PeakHeight="204.576" PeakDensity="188709.67" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
