<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-14 -073 07:45:00.000"
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 33 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 60% PACIFIC flags: Multiple candidates for F2x cusp, 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" >
2026.03.14 (073) 07:45:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.17" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.96" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202607303140745001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.550" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.831" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.599" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.050" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.050" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.975" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="227.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="227.500" 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="0.150" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.475" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="265.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.050" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.050" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="245.353" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="226.004" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.870" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="27.960" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.000" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.850" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.860" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.930" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="61">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.05 2.075 2.1 2.125 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 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 3.275 3.3 3.325 3.35 3.375 3.4 3.425 3.45 3.475 3.5 3.525 3.55
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
227.500 230.000 232.500 235.000 237.857 240.714 243.571 246.429 249.286 252.143 255.000 256.250 257.500 259.167 260.833 262.500 265.000 270.000 272.500 270.833 269.167 267.500 265.833 264.167 262.500 260.000 257.500 255.000 255.000 254.000 253.000 252.000 251.000 250.000 245.000 245.000 247.500 250.000 250.000 250.000 251.250 252.500 255.000 255.000 255.000 255.000 255.000 256.250 257.500 257.500 257.500 260.000 260.000 260.000 260.000 262.500 263.750 265.000 268.750 279.303 377.667
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 81 81 84 84 81 75 63 0 45 0 0 0 0 0 69 72 57 54 0 0 0 0 0 63 63 63 66 69 60 60 57 54 78 75 57 60 87 87 93 87 111 102 108 108 105 108 108 111 105 108 108 111 111 114 105 102 81 81 78 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 10.9375 1.5625 1.5625 1.5625 -4.6875 -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 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 -1.5625 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="383">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 137.41667 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 164.83333 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 192.25 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 245.353 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0
</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 0.353812 0.35339895 0.35261247 0.35145745 0.35001534 0.348294 0.34623033 0.34376696 0.34099412 0.3378617 0.33439493 0.33055604 0.32631677 0.32166007 0.316581 0.31108782 0.3051483 0.29865354 0.2916688 0.28410435 0.27593207 0.26707086 0.25740978 0.24700987 0.23557876 0.22317484 0.20959583 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 0.20093617 0.20655319 0.21217021 0.21778724 0.22340426 0.22902128 0.2346383 0.24025533 0.24587233 0.25148937 0.2571064 0.26272342 0.26834044 0.27395746 0.27957445 0.28519148 0.2908085 0.29642552 0.30204254 0.30765957 0.3132766 0.3188936 0.32451063 0.33012766 0.33574468 0.3413617 0.34697872 0.35259575 0.354 0.36906293 0.39277944 0.4217509 0.45725852 0.50010836 0.5498339 0.6045854 0.66207933 0.7206433 0.7794119 0.8381225 0.89678895 0.9555627 1.0146279 1.0742248 1.134527 1.195756 1.2581002 1.321731 1.3868424 1.4535993 1.5221667 1.5926764 1.6652817 1.7400969 1.8172172 1.8966963 1.9785467 2.0627112 2.14904 2.2373269 2.3272305 2.4182816 2.509909 2.6014025 2.6920125 2.7808802 2.8671973 2.9501722 3.0291045 3.1033728 3.172545 3.236222 3.2941935 3.346287 3.3924346 3.4326048 3.4668117 3.4950826 3.5174665 3.5339954 3.5447123 3.5496402 3.55 3.5493479 3.5458348 3.539399 3.530176 3.518303 3.5039165 3.4871526 3.4681456 3.4470284 3.4239314 3.3989825 3.3723063 3.344025 3.314256 3.2831142 3.25071 3.2171504 3.1825378 3.146971 3.1105444 3.0733483 3.0354693 2.9969893 2.9579868 2.9185364 2.8787081 2.8385687 2.7981815 2.7576058 2.7168975 2.6761096 2.635291 2.5944884 2.553745 2.5131013 2.4725947 2.4322603 2.3921309 2.352236 2.3126037 2.2732596 2.2342272 2.1955278 2.1571813 2.1192055 2.0816166 2.0444293 2.0076566 1.9713101 1.9354005 1.8999367 1.8649267 1.8303773 1.7962946 1.762683 1.7295469 1.6968892 1.6647122 1.6330174 1.601806 1.5710781 1.5408331 1.5110706 1.481789 1.4529864 1.4246606 1.3968089 1.3694283 1.3425155 1.3160666 1.2900779 1.2645452 1.239464 1.2148297 1.1906374 1.1668822 1.143559 1.1206626 1.0981876 1.0761285 1.0544797 1.0332358 1.012391 0.9919396 0.97187585 0.95219404 0.9328883 0.91395295 0.89538205 0.8771699 0.8593107 0.8417986 0.82462806 0.8077932 0.79128844 0.7751081 0.7592466 0.7436984 0.72845805 0.71352005 0.69887906 0.68452966 0.6704667 0.6566849 0.6431791 0.62994426 0.61697537 0.6042675 0.59181565 0.5796151 0.5676611 0.555949 0.5444741 0.533232 0.52221805 0.511428 0.5008575 0.49050224 0.4803581 0.4704209 0.46068662 0.45115128 0.44181097 0.43266183 0.4237001 0.41492206 0.40632406 0.39790252 0.38965392 0.3815748 0.3736618 0.36591157 0.35832083 0.3508864 0.3436051 0.33647388 0.3294897 0.3226496 0.3159506 0.30938992 0.30296472 0.29667222 0.2905098 0.2844747 0.27856442 0.2727764 0.2671081 0.26155713 0.25612104 0.2507975 0.24558425 0.24047898 0.23547947 0.23058358 0.22578916 0.22109413 0.21649647 0.21199416 0.20758523 0.20326777 0.19903989 0.19489977 0.19084555 0.1868755 0.18298788 0.17918096 0.17545311 0.17180268 0.16822807 0.16472772 0.16130008 0.15794365 0.15465698 0.1514386 0.1482871 0.1452011 0.14217925 0.13922022 0.1363227 0.13348544 0.13070714 0.12798662 0.12532268 0.12271414 0.12015984 0.11765867 0.11520951 0.112811305 0.11046298 0.108163506 0.105911866 0.10370707 0.10154814 0.09943413 0.097364105 0.095337145 0.09335236 0.091408886 0.089505844 0.08764241 0.08581775 0.08403106 0.08228156 0.08056846 0.078891024 0.07724849 0.07564015 0.07406528 0.07252319 0.071013205 0.069534644 0.068086855 0.06666921 0.06528107 0.06392183 0.06259088 0.06128764 0.06001153 0.05876198 0.057538446 0.056340385 0.055167265 0.054018565 0.05289378 0.051792413 0.050713975

</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="3.55" PeakHeight="245.353" Num="5" zHalfNm="226.004" Error="3.083">
-52.165 -0.853 -0.016 0.922 -0.991
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="13" 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="6507.417" A="-2.01785164E11" B="6.2279372E7" C="-4805.382" Error="0.00146"/>
<QuasiParabolic ID="2" StartDistance="6507.417" EndDistance="6534.833" A="0.0" B="-251.05522" C="0.07859336" Error="0.00438"/>
<QuasiParabolic ID="3" StartDistance="6534.833" EndDistance="6537.0" A="7.3093703E11" B="-2.23746176E8" C="17122.701" Error="0.0191"/>
<QuasiParabolic ID="4" StartDistance="6537.0" EndDistance="6560.0" A="3.6344959E10" B="-1.1235217E7" C="868.23047" Error="0.0192"/>
<QuasiParabolic ID="5" StartDistance="6560.0" EndDistance="6561.0" A="-5.9795676E11" B="1.82149456E8" C="-13871.455" Error="0.0"/>
<QuasiParabolic ID="6" StartDistance="6561.0" EndDistance="6564.0" A="5.283819E12" B="-1.61080154E9" C="122765.57" Error="0.0101"/>
<QuasiParabolic ID="7" StartDistance="6564.0" EndDistance="6566.0" A="6.8789742E12" B="-2.0968329E9" C="159788.06" Error="6.06E-4"/>
<QuasiParabolic ID="8" StartDistance="6566.0" EndDistance="6568.0" A="1.12827648E13" B="-3.43822515E9" C="261934.9" Error="4.72E-4"/>
<QuasiParabolic ID="9" StartDistance="6568.0" EndDistance="6582.0" A="7.6108944E12" B="-2.32011597E9" C="176816.97" Error="0.0104"/>
<QuasiParabolic ID="10" StartDistance="6582.0" EndDistance="6592.0" A="1.87272046E13" B="-5.6979067E9" C="433410.0" Error="0.00708"/>
<QuasiParabolic ID="11" StartDistance="6592.0" EndDistance="6602.0" A="1.45785713E13" B="-4.4392197E9" C="337939.2" Error="0.0154"/>
<QuasiParabolic ID="12" StartDistance="6602.0" EndDistance="6615.353" A="-3.7301804E13" B="1.12773437E10" C="-852348.9" Error="0.00651"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="82.25" Depth="0.154"/>
<TopsideChapman PeakHeight="245.353" PeakDensity="156358.56" PeakScaleHeight="14.85" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
