<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-14 -104 06:30:00.000"
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: 90% PACIFIC flags: One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.14 (104) 06:30:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202610404140630001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.050" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.682" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.230" 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="3.375" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="235.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="235.000" 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="2.900" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="271.009" 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="242.315" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="224.170" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.190" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="25.955" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.686" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.768" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.620" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.210" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="26">
<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 2.775 2.8 2.825 2.85 2.875 2.9 2.925 2.95 2.975 3.0 3.025 3.05
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
235.000 237.500 237.500 238.750 240.000 242.500 242.500 242.500 247.500 247.500 250.000 250.000 250.000 255.000 257.500 257.500 262.500 264.904 267.705 271.009 274.965 279.786 285.793 293.484 303.681 317.850
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 69 69 0 69 69 69 69 66 72 72 72 69 69 66 72 48 48 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 -1.5625 1.5625 -1.5625 7.8125 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 10.9375
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="357">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 139.16667 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 168.33333 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 197.5 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 242.315 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0
</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 0.3538872 0.35347393 0.352762 0.35175505 0.3505324 0.3489521 0.3470975 0.34497866 0.3425364 0.33978727 0.33674988 0.3333779 0.32963315 0.32561377 0.321167 0.3164043 0.31120363 0.30563802 0.29957724 0.29311055 0.28615454 0.27862445 0.27052397 0.26174292 0.2523066 0.24211602 0.23105234 0.21895285 0.20588575 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 0.2 0.2 0.2 0.2 0.20352 0.2088 0.21408 0.21936 0.22464 0.22992 0.2352 0.24048 0.24576 0.25104 0.25632 0.2616 0.26688 0.27216 0.27744 0.28272 0.288 0.29328 0.29856 0.30384 0.30912 0.3144 0.31968 0.32496 0.33024 0.33552 0.3408 0.34608 0.35136 0.354 0.3719309 0.4095463 0.44942343 0.49151576 0.53581566 0.5823601 0.6312057 0.682443 0.7361625 0.7924761 0.85147536 0.91327703 0.977963 1.0456228 1.1162881 1.1899648 1.2666384 1.3462198 1.4285412 1.5133798 1.600415 1.6892666 1.779441 1.8703862 1.9614996 2.0521195 2.1416051 2.2292762 2.3145218 2.3967493 2.475435 2.550114 2.6203952 2.6859608 2.7465413 2.8019211 2.8519487 2.8964932 2.9354603 2.9687932 2.9964404 3.0183754 3.034572 3.0450206 3.0497143 3.05 3.0492704 3.0456533 3.039138 3.0298715 3.0180006 3.003673 2.9870343 2.9682288 2.947398 2.9246807 2.9002125 2.8741248 2.8465452 2.8175974 2.7874 2.7560678 2.72371 2.690432 2.6563337 2.6215105 2.5860531 2.5500476 2.5135753 2.4767132 2.4395335 2.4021044 2.3644903 2.3267512 2.2889428 2.251118 2.2133253 2.1756103 2.138015 2.1005783 2.0633364 2.0263221 1.9895661 1.953096 1.9169374 1.8811134 1.8456448 1.8105508 1.7758482 1.7415522 1.7076763 1.6742324 1.6412308 1.6086806 1.5765895 1.5449638 1.5138091 1.4831294 1.4529282 1.4232079 1.3939698 1.365215 1.3369431 1.3091539 1.281846 1.2550176 1.2286664 1.2027897 1.1773841 1.1524463 1.127972 1.103957 1.0803971 1.0572871 1.034622 1.0123966 0.99060553 0.9692431 0.94830364 0.9277813 0.90767 0.88796395 0.8686568 0.84974253 0.8312149 0.81306773 0.79529476 0.77788967 0.76084626 0.7441583 0.72781956 0.7118239 0.6961651 0.68083704 0.6658336 0.65114886 0.6367768 0.6227115 0.6089471 0.5954778 0.5822979 0.56940174 0.55678374 0.5444384 0.53236026 0.520544 0.5089843 0.49767607 0.48661408 0.47579333 0.46520886 0.4548558 0.4447294 0.43482485 0.42513764 0.41566312 0.4063969 0.39733455 0.38847175 0.37980428 0.37132803 0.3630389 0.35493287 0.34700605 0.3392546 0.33167472 0.32426274 0.31701505 0.30992806 0.3029983 0.29622242 0.28959697 0.28311878 0.2767846 0.27059126 0.26453573 0.25861496 0.25282604 0.24716602 0.24163213 0.23622158 0.23093165 0.22575969 0.22070311 0.21575935 0.21092592 0.2062004 0.20158042 0.1970636 0.1926477 0.18833046 0.1841097 0.17998329 0.17594913 0.17200518 0.16814941 0.16437991 0.16069472 0.15709199 0.15356988 0.15012658 0.14676036 0.1434695 0.14025229 0.13710713 0.1340324 0.13102654 0.12808797 0.12521525 0.122406855 0.11966139 0.11697743 0.114353605 0.11178858 0.109281026 0.10682967 0.10443325 0.10209055 0.099800356 0.0975615 0.09537283 0.09323323 0.09114159 0.08909685 0.08709796 0.08514388 0.08323362 0.08136619 0.07954064 0.077756025 0.076011434 0.074305974 0.07263876 0.071008936 0.069415666 0.06785813 0.06633554 0.06484709 0.06339203 0.061969608 0.0605791 0.059219778 0.05789095 0.056591935 0.05532206 0.054080673 0.052867133 0.051680822 0.050521124

</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="3.05" PeakHeight="242.315" Num="5" zHalfNm="224.17" Error="1.214">
-45.24 0.913 -0.934 0.56 -0.114
</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="6509.167" A="-1.78385355E11" B="5.5057208E7" C="-4248.116" Error="0.00152"/>
<QuasiParabolic ID="2" StartDistance="6509.167" EndDistance="6538.333" A="0.0" B="25.406097" C="0.036114287" Error="4.35E-4"/>
<QuasiParabolic ID="3" StartDistance="6538.333" EndDistance="6539.0" A="-8.829637E12" B="2.70055782E9" C="-206492.39" Error="1.46E-9"/>
<QuasiParabolic ID="4" StartDistance="6539.0" EndDistance="6551.0" A="1.69751658E11" B="-5.1969592E7" C="3977.671" Error="0.0383"/>
<QuasiParabolic ID="5" StartDistance="6551.0" EndDistance="6566.0" A="-1.36608358E10" B="4025677.2" C="-296.12454" Error="0.0143"/>
<QuasiParabolic ID="6" StartDistance="6566.0" EndDistance="6568.0" A="7.6950825E12" B="-2.34405325E9" C="178509.77" Error="0.0236"/>
<QuasiParabolic ID="7" StartDistance="6568.0" EndDistance="6579.0" A="7.3912198E12" B="-2.25152512E9" C="171465.9" Error="0.0259"/>
<QuasiParabolic ID="8" StartDistance="6579.0" EndDistance="6586.0" A="1.81996513E13" B="-5.5372621E9" C="421179.9" Error="0.00696"/>
<QuasiParabolic ID="9" StartDistance="6586.0" EndDistance="6599.0" A="1.38638545E13" B="-4.22059136E9" C="321220.1" Error="0.0288"/>
<QuasiParabolic ID="10" StartDistance="6599.0" EndDistance="6612.315" A="-3.07827667E13" B="9.3107384E9" C="-704035.94" Error="0.0103"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="87.5" Depth="0.154"/>
<TopsideChapman PeakHeight="242.315" PeakDensity="115415.63" PeakScaleHeight="13.768" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
