<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-21 -080 19:35:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 45% PACIFIC flags: F2o cusp not found, Multiple candidates for F2x cusp, One of F2 cusps was derived from the other, F2O model cusp does not fit trace</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.21 (080) 19:35:00</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">
FF202608003211935001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="23" >
<URSI ID="00" Val="5.650" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.261" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="24.073" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="5.200" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="5.200" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="8.900" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="225.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="225.000" 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="88" Val="5.650" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="227.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="2.601" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="5.200" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="5.200" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="170.091" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="140.732" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="11.042" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="34.249" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="3.621" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="19.511" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="48.780" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.230" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="19">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
5.2 5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55 5.575 5.6 5.625 5.65
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
225.000 225.278 225.556 225.833 226.111 226.389 226.667 226.944 227.222 227.500 227.500 227.500 227.500 227.500 227.500 227.500 227.500 227.500 227.500
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 69 66 78 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
3.125 -3.125 3.125 -9.375 -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="412">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
89.619 90.0 91.0 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 115.13167 116.0 117.0 118.0 119.0 120.0 120.263336 121.0 122.0 123.0 124.0 125.0 125.395 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 170.091 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.23159885 0.8382662 1.2006788 1.4239234 1.5993642 1.7467453 1.8743048 1.9863651 2.0855906 2.173689 2.2518275 2.320867 2.3814452 2.4340425 2.4790325 2.5166934 2.547243 2.570847 2.587626 2.5976598 2.601 2.596368 2.582409 2.5590675 2.5260882 2.4833758 2.477 2.477 2.477 2.477 2.477 2.477 2.477 2.4948006 2.5189643 2.543128 2.5672917 2.5914555 2.601 2.6604693 2.7496727 2.8343444 2.9180481 3.002713 3.0895002 3.1790686 3.2716305 3.3668764 3.4639516 3.5616527 3.65854 3.7533484 3.8450756 3.9331653 4.017362 4.0977035 4.1743517 4.247598 4.3177443 4.3850727 4.4499054 4.5124865 4.57308 4.631925 4.689201 4.7451315 4.799863 4.853574 4.906407 4.958509 5.0100207 5.061074 5.1118016 5.1623397 5.21285 5.263465 5.3143473 5.3656664 5.417573 5.470183 5.5233574 5.5761046 5.623931 5.649787 5.65 5.648814 5.6448264 5.6381197 5.628789 5.61693 5.602639 5.5860124 5.5671453 5.546132 5.523068 5.4980454 5.471156 5.4424915 5.41214 5.3801894 5.346726 5.3118324 5.275592 5.238084 5.1993866 5.159576 5.1187253 5.076907 5.03419 4.990642 4.9463277 4.90131 4.85565 4.8094053 4.7626333 4.715388 4.6677213 4.6196833 4.5713224 4.5226846 4.473814 4.4247527 4.3755407 4.326217 4.2768188 4.2273803 4.1779346 4.1285143 4.0791492 4.0298676 3.9806967 3.9316623 3.8827884 3.834098 3.7856128 3.737353 3.689338 3.6415854 3.5941122 3.5469341 3.5000663 3.453522 3.407314 3.3614547 3.3159547 3.2708242 3.2260728 3.181709 3.1377406 3.0941749 3.0510185 3.008277 2.9659555 2.9240594 2.8825922 2.8415577 2.8009593 2.7607992 2.72108 2.6818032 2.64297 2.604582 2.5666394 2.5291424 2.4920912 2.4554853 2.4193244 2.3836071 2.3483324 2.313499 2.2791054 2.2451496 2.2116294 2.1785429 2.1458874 2.1136608 2.0818598 2.050482 2.0195243 1.9889836 1.9588567 1.9291403 1.8998309 1.8709252 1.8424195 1.8143101 1.7865934 1.7592657 1.732323 1.7057617 1.6795776 1.653767 1.6283257 1.60325 1.5785357 1.5541787 1.5301751 1.5065207 1.4832116 1.4602436 1.4376127 1.4153148 1.3933458 1.3717018 1.3503786 1.3293723 1.3086787 1.288294 1.2682141 1.248435 1.228953 1.2097639 1.190864 1.1722493 1.1539161 1.1358604 1.1180787 1.1005671 1.0833219 1.0663395 1.0496161 1.033148 1.016932 1.0009643 0.9852413 0.9697597 0.95451605 0.9395068 0.9247288 0.91017854 0.8958528 0.8817483 0.86786187 0.8541903 0.8407304 0.8274791 0.8144334 0.8015902 0.78894645 0.77649933 0.7642458 0.752183 0.74030817 0.7286184 0.71711093 0.70578307 0.69463205 0.68365526 0.67285013 0.6622139 0.6517442 0.6414383 0.6312939 0.62130845 0.6114795 0.6018048 0.5922818 0.58290833 0.573682 0.56460065 0.55566204 0.54686385 0.5382041 0.5296805 0.521291 0.5130336 0.50490624 0.49690688 0.4890335 0.4812842 0.47365704 0.46615013 0.45876163 0.45148966 0.44433242 0.43728814 0.43035504 0.42353138 0.4168155 0.4102057 0.4037003 0.39729765 0.39099622 0.38479438 0.37869057 0.3726833 0.36677098 0.36095217 0.3552254 0.34958926 0.34404227 0.33858308 0.33321026 0.3279225 0.32271844 0.31759676 0.3125562 0.30759546 0.30271327 0.29790843 0.2931797 0.28852585 0.28394577 0.27943823 0.27500212 0.27063635 0.26633975 0.26211125 0.25794977 0.25385427 0.2498237 0.24585705 0.24195327 0.2381114 0.23433046 0.23060948 0.22694752 0.22334364 0.21979691 0.21630645 0.21287137 0.20949078 0.20616381 0.20288964 0.19966742 0.19649632 0.19337554 0.1903043 0.18728177 0.18430722 0.18137988 0.178499 0.17566384 0.17287369 0.17012781 0.16742553 0.16476615 0.16214897 0.15957335 0.1570386 0.1545441 0.15208921 0.1496733 0.14729573 0.14495592 0.14265326 0.14038715 0.13815702 0.13596232 0.13380246 0.1316769 0.12958509 0.1275265 0.1255006 0.123506874 0.12154481 0.1196139 0.11771366 0.115843594 0.11400323 0.112192094 0.11040972 0.10865566 0.10692946 0.105230674 0.10355887 0.101913616 0.1002945 0.0987011 0.09713301 0.095589824 0.09407115 0.0925766 0.09110579 0.08965834 0.08823389 0.08683206 0.085452504 0.08409486 0.08275878 0.08144392 0.080149956 0.07887654 0.07762336 0.07639009 0.0751764 0.073982 0.07280657 0.07164981 0.07051143 0.06939114 0.06828864 0.067203656 0.06613591 0.06508513 0.06405104 0.06303338 0.062031884 0.0610463 0.060076375 0.05912186 0.058182504 0.057258077 0.056348335 0.055453047 0.054571982 0.053704917 0.05285163 0.052011892 0.0511855 0.050372235

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="2.601" PeakHeight="110.0" Num="3" Error="0.0">
-29.821 12.163 -2.723
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="2.601" EndFrequency="5.65" PeakHeight="170.091" Num="5" zHalfNm="140.732" Error="2.342">
-37.516 -12.161 7.639 -3.662 1.004
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6459.849" EndDistance="6480.001" A="-2.91940105E13" B="9.0104975E9" C="-695247.6" Error="0.00939"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6485.132" A="-4.2262352E13" B="1.30439352E10" C="-1006469.75" Error="1.47E-4"/>
<QuasiParabolic ID="2" StartDistance="6485.132" EndDistance="6490.263" A="0.0" B="284975.1" C="-37.807922" Error="0.00576"/>
<QuasiParabolic ID="3" StartDistance="6490.263" EndDistance="6494.0" A="-4.1642195E13" B="1.28230205E10" C="-987152.3" Error="0.00991"/>
<QuasiParabolic ID="4" StartDistance="6494.0" EndDistance="6496.0" A="1.8065723E14" B="-5.5639998E10" C="4284099.5" Error="0.00235"/>
<QuasiParabolic ID="5" StartDistance="6496.0" EndDistance="6510.0" A="1.89573649E13" B="-5.8555576E9" C="452169.03" Error="0.00768"/>
<QuasiParabolic ID="6" StartDistance="6510.0" EndDistance="6516.0" A="-3.07586327E13" B="9.4181745E9" C="-720928.6" Error="0.00428"/>
<QuasiParabolic ID="7" StartDistance="6516.0" EndDistance="6539.0" A="2.40914891E11" B="-9.6726784E7" C="9189.605" Error="0.00559"/>
<QuasiParabolic ID="8" StartDistance="6539.0" EndDistance="6540.091" A="-4.5159192E14" B="1.38099589E11" C="-1.0557893E7" Error="1.14E-5"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="15.395" Depth="0.124"/>
<TopsideChapman PeakHeight="170.091" PeakDensity="396060.78" PeakScaleHeight="19.511" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
