<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-27 -147 01:50:00.000"
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: 50% PACIFIC flags: F2o cusp not found, 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" >
2026.05.27 (147) 01:50:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202614705270150001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.225" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.511" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.324" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.850" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.850" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.575" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="264.948" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="264.948" 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="3.000" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="282.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.850" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.850" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="268.279" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="247.506" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.254" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="29.715" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.878" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.896" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.460" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.530" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="16">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
264.948 267.286 270.000 272.500 275.000 280.000 282.500 287.500 292.500 300.000 305.000 315.000 325.000 335.000 350.000 370.265
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 0 0 0 0 0 87 0 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-10.9375 -10.9375 -10.9375 10.9375 -10.9375 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -10.9375 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="417">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 146.15466 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 182.30933 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 218.464 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 268.279 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0
</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 0.35257575 0.35171902 0.35071892 0.34950462 0.34815413 0.3465988 0.34484506 0.3429001 0.34070218 0.33833194 0.335799 0.33298093 0.3300265 0.32682028 0.32332158 0.31967854 0.31573406 0.311524 0.30708593 0.30235386 0.29730612 0.29193717 0.28632578 0.28029814 0.27390724 0.26715887 0.25991175 0.252218 0.24408443 0.23534504 0.22599103 0.21599057 0.20527814 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 0.20294188 0.20720136 0.21146083 0.21572031 0.2199798 0.22423927 0.22849874 0.23275822 0.2370177 0.24127717 0.24553666 0.24979614 0.25405562 0.2583151 0.26257458 0.26683405 0.27109352 0.275353 0.27961248 0.28387195 0.28813145 0.2923909 0.29665038 0.30090988 0.30516934 0.3094288 0.3136883 0.31794778 0.32220727 0.32646674 0.3307262 0.3349857 0.33924517 0.34350464 0.34776413 0.3520236 0.354 0.37060323 0.4041784 0.4408935 0.48038062 0.5223073 0.5664184 0.61255294 0.66063744 0.710664 0.76268786 0.8168102 0.87315106 0.9318432 0.99305964 1.0569415 1.1236595 1.1933584 1.2661629 1.3421718 1.4213939 1.5038189 1.589279 1.6775346 1.7681828 1.8606787 1.95438 2.0484705 2.1421282 2.234477 2.3246937 2.4120235 2.495832 2.5756292 2.6510336 2.7217987 2.78777 2.848882 2.9051137 2.9565115 3.003133 3.0450583 3.0823886 3.1151996 3.1435878 3.1676278 3.187402 3.2029676 3.2143738 3.221656 3.224841 3.225 3.2243583 3.2213924 3.2161047 3.2085962 3.1989682 3.187322 3.173758 3.1583767 3.141277 3.1225562 3.10231 3.0806322 3.0576148 3.033347 3.0079155 2.9814053 2.9538975 2.9254715 2.8962033 2.8661666 2.8354316 2.8040664 2.7721357 2.7397015 2.7068233 2.6735578 2.6399584 2.6060767 2.5719612 2.537658 2.5032108 2.468661 2.4340472 2.3994064 2.364773 2.3301797 2.2956564 2.2612321 2.2269335 2.192785 2.1588101 2.1250305 2.0914657 2.0581343 2.0250537 1.9922394 1.9597057 1.9274659 1.8955321 1.8639152 1.832625 1.8016706 1.7710598 1.7407997 1.7108966 1.6813561 1.6521827 1.6233807 1.5949533 1.5669032 1.5392329 1.5119437 1.485037 1.4585134 1.432373 1.4066159 1.3812412 1.3562483 1.3316358 1.3074021 1.2835455 1.2600638 1.2369547 1.2142156 1.1918437 1.1698362 1.1481898 1.1269013 1.1059672 1.085384 1.0651481 1.0452555 1.0257027 1.0064856 0.98759997 0.969042 0.9508075 0.9328923 0.91529214 0.89800286 0.8810201 0.86433965 0.84795725 0.8318686 0.8160693 0.80055517 0.78532183 0.7703651 0.75568074 0.74126446 0.72711205 0.71321934 0.69958216 0.6861964 0.6730579 0.6601627 0.6475067 0.63508594 0.62289643 0.6109344 0.59919584 0.58767694 0.576374 0.5652833 0.55440104 0.5437237 0.5332476 0.5229693 0.5128852 0.50299186 0.49328598 0.4837641 0.474423 0.46525934 0.45626998 0.4474517 0.4388015 0.43031618 0.42199284 0.41382843 0.4058201 0.39796492 0.3902601 0.38270286 0.37529042 0.36802015 0.36088935 0.3538955 0.34703594 0.34030825 0.3337099 0.3272385 0.32089165 0.31466702 0.30856228 0.30257517 0.29670352 0.29094508 0.28529775 0.27975944 0.27432802 0.26900148 0.26377788 0.2586552 0.25363153 0.24870501 0.24387378 0.23913598 0.23448987 0.22993368 0.2254657 0.22108422 0.21678759 0.2125742 0.20844245 0.20439075 0.20041758 0.19652143 0.19270082 0.1889543 0.18528043 0.18167782 0.1781451 0.17468092 0.17128396 0.16795294 0.16468656 0.16148359 0.1583428 0.15526298 0.15224297 0.1492816 0.14637776 0.14353032 0.14073819 0.1380003 0.1353156 0.13268305 0.13010167 0.12757045 0.12508841 0.12265462 0.12026813 0.11792803 0.11563341 0.113383405 0.11117714 0.109013766 0.10689245 0.10481239 0.10277277 0.10077281 0.09881175 0.09688882 0.09500329 0.09315443 0.091341525 0.089563884 0.08782082 0.086111665 0.084435746 0.08279244 0.08118109 0.079601094 0.07805183 0.07653271 0.07504314 0.07358255 0.07215039 0.07074608 0.0693691 0.06801891 0.066695 0.06539684 0.06412394 0.062875815 0.06165197 0.060451947 0.059275273 0.0581215 0.056990173 0.055880867 0.05479315 0.053726595 0.0526808 0.05165536 0.050649874

</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="3.225" PeakHeight="268.279" Num="5" zHalfNm="247.506" Error="2.08">
-51.667 3.326 -2.396 1.294 -0.372
</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="6516.155" A="-1.16321788E11" B="3.5901788E7" C="-2770.0742" Error="0.00173"/>
<QuasiParabolic ID="2" StartDistance="6516.155" EndDistance="6552.309" A="0.0" B="-364.57315" C="0.095981635" Error="0.00853"/>
<QuasiParabolic ID="3" StartDistance="6552.309" EndDistance="6584.0" A="3.9433834E10" B="-1.2105594E7" C="929.0689" Error="0.00853"/>
<QuasiParabolic ID="4" StartDistance="6584.0" EndDistance="6587.0" A="-3.20600343E11" B="9.72608E7" C="-7376.3984" Error="0.00455"/>
<QuasiParabolic ID="5" StartDistance="6587.0" EndDistance="6592.0" A="7.6491438E12" B="-2.32257946E9" C="176306.64" Error="0.0163"/>
<QuasiParabolic ID="6" StartDistance="6592.0" EndDistance="6594.0" A="2.97418621E12" B="-9.0420646E8" C="68723.734" Error="0.0061"/>
<QuasiParabolic ID="7" StartDistance="6594.0" EndDistance="6601.0" A="7.7540937E12" B="-2.35398118E9" C="178655.1" Error="0.00244"/>
<QuasiParabolic ID="8" StartDistance="6601.0" EndDistance="6620.0" A="1.75503971E13" B="-5.3221084E9" C="403479.16" Error="0.0172"/>
<QuasiParabolic ID="9" StartDistance="6620.0" EndDistance="6633.0" A="-2.32268056E13" B="6.9972884E9" C="-526988.9" Error="0.00696"/>
<QuasiParabolic ID="10" StartDistance="6633.0" EndDistance="6638.279" A="-2.55259155E13" B="7.6905221E9" C="-579245.3" Error="1.61E-5"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="108.464" Depth="0.154"/>
<TopsideChapman PeakHeight="268.279" PeakDensity="129040.016" PeakScaleHeight="15.896" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
