<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-24 -083 03:05:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 45% PACIFIC flags: F2x cusp not found, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.24 (083) 03:05:00</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">
FF202608303240305001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.500" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.490" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.216" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.975" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.975" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.775" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="272.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="272.500" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.475" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="320.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.975" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.975" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="271.309" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="251.751" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.188" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.065" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.965" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.686" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.070" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.060" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="22">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.975 3.0 3.025 3.05 3.075 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
272.500 274.167 275.833 277.500 277.500 280.000 282.500 285.000 287.500 290.000 290.000 295.000 297.500 300.357 303.214 306.071 308.929 311.786 314.643 317.500 320.000 325.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 93 93 0 0 0 0 90 90 0 0 0 0 0 0 0 0 99 90 87
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="406">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.02367 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 184.04733 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 221.071 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 271.309 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0
</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 0.35362422 0.35321164 0.35265058 0.35186794 0.35086685 0.34972504 0.34844565 0.34695974 0.34527344 0.34339368 0.3413282 0.33908543 0.33667454 0.33403847 0.33119148 0.32808465 0.32480124 0.32135823 0.3175954 0.31360474 0.30941668 0.3049556 0.30016392 0.29512638 0.28978482 0.2841294 0.278173 0.27179852 0.26503235 0.2578877 0.25028428 0.24218184 0.23349006 0.2242345 0.21434191 0.20383759 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 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.20396262 0.20812212 0.21228161 0.21644112 0.22060062 0.22476013 0.22891963 0.23307914 0.23723863 0.24139813 0.24555764 0.24971713 0.25387663 0.25803614 0.26219565 0.26635516 0.27051464 0.27467415 0.27883366 0.28299314 0.28715265 0.29131216 0.29547164 0.29963115 0.30379066 0.30795017 0.31210965 0.31626916 0.32042867 0.32458815 0.32874766 0.33290717 0.33706668 0.34122616 0.34538567 0.34954518 0.35370466 0.354 0.38739288 0.4244743 0.46313778 0.5037074 0.5464497 0.5915793 0.63929224 0.6897527 0.7430859 0.79940337 0.8587632 0.9212012 0.98670805 1.0552391 1.1266857 1.2009424 1.2778571 1.3572339 1.4388431 1.5224707 1.6078651 1.6947545 1.7828461 1.8718795 1.9615632 2.0515885 2.1416724 2.2315214 2.3207889 2.409208 2.4964566 2.5821934 2.666109 2.7478874 2.8271658 2.9036317 2.9769402 3.0467522 3.1127172 3.1745183 3.2318113 3.2842984 3.3316607 3.3736224 3.409922 3.4403365 3.4646623 3.4827387 3.4944415 3.4996898 3.5 3.4992507 3.495578 3.4889674 3.4795575 3.467488 3.4528983 3.4359262 3.4167092 3.395382 3.3720775 3.3469255 3.3200526 3.2915826 3.2616346 3.2303252 3.1977658 3.164065 3.1293256 3.0936477 3.0571265 3.019853 2.9819143 2.943393 2.9043674 2.8649127 2.825099 2.7849932 2.7446582 2.7041535 2.663535 2.6228554 2.5821633 2.541505 2.5009234 2.4604585 2.4201474 2.3800247 2.3401225 2.30047 2.261095 2.2220223 2.1832747 2.1448731 2.106837 2.0691833 2.031928 1.9950849 1.9586666 1.9226842 1.8871477 1.8520656 1.8174452 1.783293 1.7496142 1.7164134 1.6836938 1.651458 1.6197081 1.5884451 1.5576693 1.5273808 1.4975787 1.468262 1.4394286 1.4110764 1.3832028 1.3558048 1.3288791 1.3024219 1.2764294 1.2508972 1.2258209 1.2011958 1.1770172 1.1532798 1.1299784 1.1071079 1.0846627 1.0626372 1.041026 1.0198231 0.9990229 0.9786195 0.9586071 0.9389798 0.91973174 0.9008569 0.8823495 0.8642036 0.8464132 0.8289726 0.8118758 0.7951171 0.77869064 0.76259077 0.74681175 0.7313479 0.7161937 0.70134354 0.68679196 0.6725336 0.65856296 0.6448749 0.63146406 0.61832535 0.6054536 0.5928439 0.5804912 0.56839055 0.5565373 0.5449265 0.53355366 0.5224141 0.5115032 0.5008167 0.49035004 0.48009893 0.47005922 0.46022663 0.45059714 0.44116664 0.43193123 0.422887 0.4140301 0.40535682 0.39686346 0.38854638 0.38040203 0.3724269 0.36461762 0.35697076 0.34948307 0.3421513 0.3349723 0.32794288 0.32106006 0.3143208 0.30772218 0.3012613 0.29493535 0.28874153 0.28267717 0.27673957 0.2709261 0.26523423 0.25966144 0.2542053 0.24886334 0.24363324 0.23851267 0.23349935 0.22859107 0.22378564 0.21908094 0.21447486 0.20996536 0.20555043 0.20122811 0.19699645 0.19285358 0.18879765 0.18482684 0.18093936 0.1771335 0.17340755 0.16975982 0.1661887 0.16269259 0.1592699 0.15591912 0.15263872 0.14942725 0.14628325 0.14320533 0.14019209 0.13724218 0.13435426 0.13152707 0.1287593 0.1260497 0.12339708 0.120800234 0.11825799 0.1157692 0.113332756 0.11094754 0.10861249 0.10632655 0.104088694 0.1018979 0.09975319 0.0976536 0.095598176 0.09358599 0.09161613 0.08968772 0.08779988 0.08595176 0.08414252 0.082371354 0.08063745 0.078940034 0.07727833 0.0756516 0.0740591 0.07250011 0.070973925 0.06947986 0.06801724 0.0665854 0.06518369 0.06381149 0.06246816 0.061153106 0.05986573 0.05860545 0.0573717 0.05616391 0.054981545 0.053824067 0.052690953 0.05158169 0.050495774

</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="3.5" PeakHeight="271.309" Num="5" zHalfNm="251.751" Error="0.659">
-50.198 -0.161 0.117 -0.112 0.116
</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="6517.024" A="-1.10952292E11" B="3.4244536E7" C="-2642.2" Error="0.00176"/>
<QuasiParabolic ID="2" StartDistance="6517.024" EndDistance="6554.047" A="0.0" B="434.44363" C="-0.026628274" Error="0.00855"/>
<QuasiParabolic ID="3" StartDistance="6554.047" EndDistance="6589.0" A="2.89035469E10" B="-8895054.0" C="684.3533" Error="0.00855"/>
<QuasiParabolic ID="4" StartDistance="6589.0" EndDistance="6590.0" A="-1.59424709E12" B="4.83789888E8" C="-36702.574" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6590.0" EndDistance="6592.0" A="1.25480573E13" B="-3.80825984E9" C="288946.12" Error="0.0312"/>
<QuasiParabolic ID="6" StartDistance="6592.0" EndDistance="6593.0" A="4.5482461E12" B="-1.3811328E9" C="104849.71" Error="9.7E-11"/>
<QuasiParabolic ID="7" StartDistance="6593.0" EndDistance="6594.0" A="2.63354135E12" B="-8.0030317E8" C="60800.742" Error="4.04E-11"/>
<QuasiParabolic ID="8" StartDistance="6594.0" EndDistance="6601.0" A="6.8830269E12" B="-2.08919782E9" C="158533.12" Error="0.0115"/>
<QuasiParabolic ID="9" StartDistance="6601.0" EndDistance="6612.0" A="1.63552365E13" B="-4.9591296E9" C="375919.25" Error="0.0185"/>
<QuasiParabolic ID="10" StartDistance="6612.0" EndDistance="6629.0" A="1.27481225E13" B="-3.86804838E9" C="293411.62" Error="0.0343"/>
<QuasiParabolic ID="11" StartDistance="6629.0" EndDistance="6641.309" A="-3.913031E13" B="1.17839155E10" C="-887155.9" Error="0.00986"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="111.071" Depth="0.154"/>
<TopsideChapman PeakHeight="271.309" PeakDensity="151985.11" PeakScaleHeight="14.686" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
