<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-27 -086 08:55:00.000"
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="20.0">
<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: 95% PACIFIC flags: Multiple candidates for F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.27 (086) 08:55:00</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">
FF202608603270855001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.800" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.779" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.581" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.150" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.150" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.025" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="215.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="215.000" 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="2.675" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="260.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.538" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.150" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.150" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="228.571" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="206.347" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.274" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="31.699" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.732" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="17.334" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="29.140" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.000" 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" >
2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
215.000 216.667 218.333 220.000 221.667 223.333 225.000 226.667 228.333 230.000 231.667 233.333 235.000 237.500 240.000 242.500 245.000 245.000 250.000 252.500 257.500 260.000 267.500 274.375 281.621 289.898 299.444
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
54 0 0 0 0 0 0 0 0 0 0 0 63 0 0 0 51 54 54 51 54 51 51 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-3.125 -3.125 3.125 -3.125 -3.125 3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="392">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
91.408 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 134.5 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 183.5 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 228.571 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.23285308 0.28218058 0.3225505 0.35611588 0.38465184 0.40929574 0.4307805 0.44960803 0.46612218 0.4805754 0.49315456 0.50400186 0.5132277 0.5209116 0.5271226 0.5319067 0.5352996 0.53732604 0.538 0.537663 0.53671443 0.53515977 0.53294843 0.53009623 0.5265649 0.52238303 0.51752716 0.5119272 0.50563955 0.4986202 0.49079296 0.48218548 0.4726073 0.46223032 0.45080784 0.4382903 0.4246609 0.40970504 0.3933184 0.37522662 0.35510856 0.33272716 0.30740753 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.287 0.2972449 0.30748978 0.3177347 0.3279796 0.3382245 0.34846938 0.35871428 0.3689592 0.3792041 0.38944897 0.39969388 0.40993878 0.42018366 0.43042856 0.44067347 0.45091838 0.46116325 0.47140816 0.48165306 0.49189797 0.50214285 0.51238775 0.52263266 0.53287756 0.538 0.5585798 0.6022549 0.64850795 0.69654524 0.745861 0.7962538 0.8476729 0.90021527 0.9540467 1.0093738 1.0664375 1.1254983 1.1868204 1.2506844 1.3173511 1.387054 1.459937 1.5360639 1.615272 1.6972175 1.7811848 1.8661431 1.9508138 2.03382 2.1138213 2.1897306 2.2607996 2.3266363 2.3871214 2.4423096 2.4924297 2.537747 2.5785477 2.61513 2.6477733 2.6767292 2.7022161 2.724436 2.7435577 2.759718 2.7730436 2.783626 2.7915432 2.79685 2.7995844 2.8 2.7998333 2.7981737 2.794789 2.7897463 2.7831132 2.774958 2.765348 2.7543507 2.742033 2.7284615 2.713701 2.697816 2.6808693 2.662923 2.6440375 2.6242719 2.6036832 2.5823276 2.560259 2.5375304 2.514192 2.490293 2.4658809 2.4410012 2.4156976 2.3900123 2.3639855 2.3376563 2.3110614 2.284236 2.2572143 2.2300282 2.2027082 2.175284 2.1477826 2.1202307 2.0926528 2.0650725 2.0375125 2.009993 1.9825345 1.9551551 1.9278724 1.9007027 1.8736615 1.8467631 1.8200209 1.7934473 1.7670538 1.7408515 1.7148501 1.6890588 1.663486 1.6381396 1.6130267 1.5881536 1.5635264 1.5391502 1.5150299 1.4911697 1.4675733 1.4442439 1.4211847 1.3983978 1.3758855 1.3536493 1.3316907 1.3100107 1.2886099 1.2674888 1.2466477 1.2260864 1.2058045 1.1858015 1.1660767 1.146629 1.1274574 1.1085604 1.0899369 1.0715849 1.0535029 1.035689 1.0181412 1.0008574 0.98383534 0.96707284 0.9505676 0.9343171 0.9183189 0.9025705 0.88706917 0.87181234 0.8567973 0.8420213 0.8274816 0.81317544 0.7990999 0.78525233 0.7716297 0.75822926 0.74504805 0.73208326 0.71933204 0.70679146 0.69445866 0.68233085 0.67040503 0.6586784 0.6471482 0.63581157 0.6246656 0.61370766 0.60293484 0.59234446 0.58193374 0.57170004 0.56164056 0.55175275 0.54203385 0.5324814 0.5230926 0.51386505 0.50479615 0.4958834 0.48712432 0.4785165 0.4700574 0.46174473 0.45357606 0.4455491 0.4376615 0.42991102 0.42229536 0.41481236 0.4074598 0.4002355 0.39313737 0.3861633 0.37931117 0.372579 0.36596477 0.35946646 0.35308215 0.3468099 0.34064782 0.33459404 0.3286467 0.322804 0.31706417 0.31142545 0.3058861 0.3004444 0.2950987 0.28984734 0.2846887 0.27962118 0.2746432 0.26975322 0.2649497 0.2602312 0.25559616 0.2510432 0.24657086 0.24217772 0.23786245 0.23362367 0.22946005 0.22537024 0.22135301 0.21740705 0.21353112 0.20972401 0.20598449 0.2023114 0.19870354 0.1951598 0.19167903 0.18826012 0.18490201 0.18160361 0.17836386 0.17518173 0.17205623 0.16898632 0.16597106 0.16300945 0.16010056 0.15724346 0.15443723 0.15168096 0.1489738 0.14631483 0.14370324 0.14113817 0.13861881 0.13614433 0.13371396 0.13132688 0.12898237 0.12667964 0.12441797 0.122196615 0.12001486 0.117872015 0.11576738 0.11370027 0.11167003 0.109676 0.107717544 0.10579402 0.1039048 0.10204929 0.10022688 0.09843699 0.09667903 0.09495244 0.09325666 0.09159114 0.089955345 0.08834874 0.08677081 0.085221045 0.083698936 0.082204 0.08073574 0.0792937 0.077877395 0.07648638 0.07512019 0.07377839 0.07246055 0.07116623 0.06989503 0.06864652 0.067420304 0.06621598 0.06503316 0.063871466 0.062730506 0.061609928 0.060509358 0.059428442 0.058366828 0.05732417 0.056300137 0.05529439 0.054306604 0.05333646 0.052383643 0.05144784 0.050528754

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.538" PeakHeight="110.0" Num="3" Error="0.0">
-22.883 4.761 -0.47
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.538" EndFrequency="2.8" PeakHeight="228.571" Num="5" zHalfNm="206.347" Error="1.335">
-48.463 5.745 -3.738 1.818 -0.433
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="14" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.001" EndDistance="6480.001" A="-1.26834901E12" B="3.91465728E8" C="-30205.398" Error="0.016"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6504.5" A="-6.1131463E11" B="1.8867736E8" C="-14558.148" Error="0.00641"/>
<QuasiParabolic ID="2" StartDistance="6504.5" EndDistance="6529.0" A="0.0" B="915.0375" C="-0.05778071" Error="0.00641"/>
<QuasiParabolic ID="3" StartDistance="6529.0" EndDistance="6530.0" A="-8.8777834E12" B="2.71902925E9" C="-208191.52" Error="3.53E-10"/>
<QuasiParabolic ID="4" StartDistance="6530.0" EndDistance="6531.0" A="9.2656003E12" B="-2.83790285E9" C="217301.0" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6531.0" EndDistance="6532.0" A="-8.882935E12" B="2.71975578E9" C="-208181.98" Error="0.0"/>
<QuasiParabolic ID="6" StartDistance="6532.0" EndDistance="6533.0" A="8.3740506E12" B="-2.56407322E9" C="196275.22" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6533.0" EndDistance="6535.0" A="-2.13120057E12" B="6.5198413E8" C="-49864.168" Error="0.0195"/>
<QuasiParabolic ID="8" StartDistance="6535.0" EndDistance="6552.0" A="2.77992735E11" B="-8.5335944E7" C="6548.9966" Error="0.0198"/>
<QuasiParabolic ID="9" StartDistance="6552.0" EndDistance="6557.0" A="1.15185203E13" B="-3.51651021E9" C="268390.75" Error="0.0169"/>
<QuasiParabolic ID="10" StartDistance="6557.0" EndDistance="6563.0" A="4.9366439E12" B="-1.50892275E9" C="115303.4" Error="0.0105"/>
<QuasiParabolic ID="11" StartDistance="6563.0" EndDistance="6579.0" A="1.51109438E13" B="-4.6094254E9" C="351514.2" Error="0.0139"/>
<QuasiParabolic ID="12" StartDistance="6579.0" EndDistance="6584.0" A="-2.66960906E13" B="8.0998113E9" C="-614380.06" Error="0.00664"/>
<QuasiParabolic ID="13" StartDistance="6584.0" EndDistance="6598.571" A="-1.42702857E13" B="4.3252654E9" C="-327734.75" Error="0.00364"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="73.5" Depth="0.251"/>
<TopsideChapman PeakHeight="228.571" PeakDensity="97270.47" PeakScaleHeight="17.334" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
