<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-25 -084 08:05:00.000"
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: 80% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.25 (084) 08:05:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608403250805001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.097" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.315" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.450" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.450" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.575" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="190.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="190.000" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.125" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="228.255" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.450" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.450" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="200.512" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="185.250" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.869" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="21.779" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.653" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.771" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="19.710" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.080" 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" >
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 2.8 2.825 2.85 2.875 2.9 2.925 2.95 2.975 3.0 3.025 3.05 3.075 3.1 3.125 3.15 3.175 3.2 3.225 3.25
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
190.000 191.250 192.500 192.500 192.500 194.167 195.833 197.500 195.000 197.500 197.500 197.500 200.000 200.000 200.000 201.429 202.857 204.286 205.714 207.143 208.571 210.000 212.500 217.500 219.518 221.902 224.761 228.255 232.619 238.225 245.693 256.133 271.761
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 0 63 0 66 0 0 63 69 66 72 72 72 57 54 0 0 0 0 0 0 78 81 84 0 0 0 0 0 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 10.9375 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 -7.8125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="287">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 128.66667 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.33333 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 200.512 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0
</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 0.35377294 0.35309345 0.35187933 0.3503262 0.34818903 0.34559208 0.34249422 0.33895272 0.33480388 0.3301551 0.3249212 0.31908464 0.31264654 0.30550984 0.29764238 0.28901854 0.27946925 0.26904422 0.261 0.261 0.261 0.261 0.261 0.261 0.261 0.261 0.261 0.261 0.261 0.261 0.261 0.261 0.261 0.261 0.261 0.261 0.261 0.261 0.261 0.26432142 0.26930356 0.2742857 0.27926785 0.28425 0.28923213 0.29421428 0.29919642 0.30417857 0.3091607 0.31414285 0.319125 0.32410714 0.32908928 0.33407143 0.33905357 0.3440357 0.34901786 0.354 0.40233773 0.45740214 0.51768696 0.5821425 0.6503899 0.72252417 0.7989624 0.88032585 0.9674313 1.0611916 1.1625563 1.2726045 1.3921787 1.5217862 1.6611277 1.8086056 1.9610236 2.1138456 2.2621753 2.4019022 2.5304315 2.6465313 2.7500868 2.8416235 2.921883 2.991676 3.0518265 3.103015 3.1458616 3.1808648 3.2084193 3.2288442 3.2423635 3.2491257 3.25 3.2494593 3.2450628 3.2364533 3.223881 3.2075973 3.1878521 3.1648924 3.1389606 3.110293 3.0791197 3.045663 3.0101368 2.9727468 2.933689 2.8931508 2.8513093 2.8083322 2.7643788 2.7195976 2.6741285 2.6281028 2.5816426 2.5348616 2.487865 2.4407508 2.393609 2.3465228 2.2995684 2.2528152 2.2063272 2.160162 2.114372 2.0690045 2.024102 1.9797021 1.9358388 1.892542 1.8498377 1.8077487 1.7662946 1.7254922 1.6853555 1.6458961 1.607123 1.5690435 1.5316628 1.4949843 1.4590099 1.4237398 1.389173 1.3553076 1.3221399 1.2896658 1.25788 1.2267766 1.1963488 1.1665893 1.1374902 1.109043 1.081239 1.0540688 1.027523 1.0015919 0.97626525 0.95153296 0.9273846 0.9038097 0.88079774 0.8583381 0.83642006 0.815033 0.79416627 0.77380925 0.75395143 0.73458225 0.7156914 0.6972684 0.6793032 0.6617856 0.6447057 0.62805355 0.61181957 0.59599406 0.5805676 0.565531 0.55087507 0.53659093 0.5226697 0.5091027 0.4958815 0.48299778 0.47044334 0.45821023 0.44629058 0.43467674 0.42336115 0.41233647 0.40159553 0.39113125 0.38093677 0.37100533 0.3613304 0.35190544 0.34272426 0.33378068 0.3250687 0.31658247 0.30831626 0.30026448 0.29242167 0.2847825 0.2773418 0.27009448 0.2630356 0.25616035 0.24946398 0.24294192 0.23658969 0.2304029 0.22437733 0.2185088 0.21279325 0.20722674 0.20180543 0.19652554 0.19138344 0.18637554 0.18149838 0.17674856 0.17212276 0.1676178 0.16323052 0.15895785 0.15479685 0.15074459 0.14679824 0.14295505 0.13921234 0.13556747 0.13201794 0.12856121 0.1251949 0.12191665 0.118724145 0.11561516 0.11258752 0.10963909 0.10676781 0.103971675 0.101248704 0.098597005 0.0960147 0.09349999 0.0910511 0.08866632 0.08634396 0.0840824 0.08188005 0.07973535 0.077646814 0.075612955 0.07363235 0.07170361 0.06982537 0.067996316 0.06621516 0.06448064 0.06279155 0.06114669 0.05954491 0.05798508 0.0564661 0.0549869 0.053546447 0.05214372 0.05077773

</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="3.25" PeakHeight="200.512" Num="5" zHalfNm="185.25" Error="1.339">
-37.134 4.528 -3.001 1.462 -0.367
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" 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="6498.667" A="-2.90768683E11" B="8.9743424E7" C="-6924.5215" Error="8.89E-4"/>
<QuasiParabolic ID="2" StartDistance="6498.667" EndDistance="6517.333" A="0.0" B="1080.4075" C="-0.09806907" Error="0.0061"/>
<QuasiParabolic ID="3" StartDistance="6517.333" EndDistance="6519.0" A="-3.25507482E12" B="9.9863174E8" C="-76593.05" Error="0.0174"/>
<QuasiParabolic ID="4" StartDistance="6519.0" EndDistance="6522.0" A="1.29383124E12" B="-3.96952288E8" C="30446.688" Error="0.0191"/>
<QuasiParabolic ID="5" StartDistance="6522.0" EndDistance="6525.0" A="-6.9903883E11" B="2.1417008E8" C="-16404.154" Error="0.0151"/>
<QuasiParabolic ID="6" StartDistance="6525.0" EndDistance="6535.0" A="1.66132842E11" B="-5.1016632E7" C="3916.6665" Error="0.0111"/>
<QuasiParabolic ID="7" StartDistance="6535.0" EndDistance="6539.0" A="1.47475766E13" B="-4.5135857E9" C="345352.7" Error="0.0123"/>
<QuasiParabolic ID="8" StartDistance="6539.0" EndDistance="6542.0" A="9.9950883E12" B="-3.06000282E9" C="234205.52" Error="0.00758"/>
<QuasiParabolic ID="9" StartDistance="6542.0" EndDistance="6547.0" A="2.39542678E13" B="-7.3275602E9" C="560371.6" Error="0.0088"/>
<QuasiParabolic ID="10" StartDistance="6547.0" EndDistance="6555.0" A="5.466035E13" B="-1.67077591E10" C="1276745.5" Error="0.00881"/>
<QuasiParabolic ID="11" StartDistance="6555.0" EndDistance="6570.512" A="-4.207428E13" B="1.28070021E10" C="-974571.2" Error="0.00326"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="56.0" Depth="0.093"/>
<TopsideChapman PeakHeight="200.512" PeakDensity="131048.39" PeakScaleHeight="11.771" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
