<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-16 -136 23:25:00.000"
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" >
2026.05.16 (136) 23:25:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" 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">
FF202613605162325001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.275" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.412" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.174" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.925" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.925" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.650" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="292.417" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="292.417" 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="3.150" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="315.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.925" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.925" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="277.003" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="252.234" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.169" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="35.493" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.068" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="18.671" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="35.470" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.100" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="15">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
292.417 294.042 295.829 297.805 300.000 302.455 305.000 307.500 312.500 315.000 320.000 327.500 332.500 342.500 352.228
</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
</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 -10.9375 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="468">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 144.87534 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 179.75067 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 214.626 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 277.003 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0
</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 0.35313663 0.3524263 0.35157037 0.35049725 0.34921128 0.3477177 0.3460227 0.34413323 0.34198672 0.3396642 0.33717504 0.33439538 0.33140954 0.32816923 0.3246959 0.32095134 0.31696492 0.31265298 0.30811498 0.30328462 0.29811534 0.29260594 0.28677285 0.28054452 0.27397668 0.26693302 0.2594488 0.25146618 0.24289685 0.23372263 0.22394174 0.21342047 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 0.20110099 0.20551671 0.20993245 0.21434817 0.2187639 0.22317962 0.22759536 0.23201108 0.23642682 0.24084255 0.24525827 0.249674 0.25408974 0.25850546 0.26292118 0.2673369 0.27175266 0.27616838 0.2805841 0.28499982 0.28941557 0.2938313 0.298247 0.30266273 0.30707848 0.3114942 0.31590992 0.32032564 0.3247414 0.3291571 0.33357283 0.33798856 0.3424043 0.34682003 0.35123575 0.354 0.36356047 0.39013773 0.41820017 0.44777688 0.47887543 0.51152515 0.54573864 0.58154315 0.61894315 0.65796167 0.6986133 0.74090374 0.7848394 0.8304166 0.8776495 0.9265121 0.97700375 1.029101 1.0827845 1.138003 1.1947246 1.2529006 1.3124658 1.3733383 1.4354494 1.4987035 1.5630081 1.628237 1.6942724 1.7609762 1.8282151 1.8958455 1.9636921 2.0316026 2.099411 2.166921 2.2339778 2.3003762 2.36593 2.4304872 2.493823 2.555782 2.6161742 2.6748228 2.7315657 2.7862275 2.8386428 2.8886797 2.9361799 2.9810088 3.0230422 3.0621493 3.0982392 3.1311877 3.1609263 3.187356 3.210409 3.230026 3.24615 3.2587385 3.2677565 3.2731829 3.274993 3.275 3.2740982 3.2714233 3.267038 3.2610054 3.253389 3.244252 3.2336578 3.22167 3.2083507 3.193762 3.1779654 3.1610208 3.1429877 3.1239243 3.1038878 3.0829341 3.0611176 3.0384915 3.0151076 2.9910161 2.9662662 2.9409049 2.914978 2.8885303 2.8616042 2.8342414 2.8064814 2.7783628 2.749922 2.7211947 2.692215 2.663015 2.633626 2.6040778 2.574399 2.5446165 2.5147562 2.4848428 2.4548993 2.4249487 2.3950117 2.365108 2.335257 2.3054764 2.2757833 2.2461936 2.216722 2.1873832 2.15819 2.129155 2.1002898 2.0716057 2.0431123 2.0148191 1.9867352 1.9588686 1.931227 1.9038169 1.8766451 1.8497171 1.8230386 1.796614 1.7704481 1.7445445 1.7189069 1.6935383 1.6684415 1.6436188 1.6190723 1.5948036 1.5708141 1.5471051 1.5236771 1.500531 1.4776669 1.4550849 1.432785 1.4107668 1.3890297 1.3675733 1.3463963 1.325498 1.3048769 1.2845321 1.2644618 1.2446645 1.2251387 1.2058824 1.1868939 1.168171 1.1497118 1.1315143 1.113576 1.0958948 1.0784683 1.0612943 1.0443702 1.0276935 1.0112619 0.9950727 0.97912335 0.96341133 0.9479339 0.93268853 0.9176725 0.90288323 0.8883179 0.87397397 0.8598487 0.84593934 0.83224326 0.8187577 0.8054801 0.79240775 0.77953786 0.7668679 0.7543951 0.742117 0.7300307 0.71813387 0.70642376 0.6948978 0.68355346 0.67238814 0.66139936 0.6505847 0.6399415 0.6294674 0.61916 0.60901684 0.59903544 0.5892136 0.57954884 0.5700389 0.56068146 0.5514743 0.5424151 0.5335016 0.5247318 0.5161033 0.50761414 0.4992621 0.4910451 0.48296106 0.47500798 0.46718383 0.4594866 0.45191434 0.4444651 0.437137 0.42992815 0.42283663 0.41586068 0.40899843 0.40224814 0.395608 0.3890763 0.38265133 0.3763314 0.3701148 0.36399996 0.35798523 0.35206902 0.34624973 0.34052587 0.33489585 0.32935822 0.3239115 0.31855416 0.31328484 0.3081021 0.30300456 0.29799083 0.29305953 0.28820938 0.28343904 0.27874723 0.27413267 0.2695941 0.2651303 0.26074007 0.2564222 0.2521755 0.24799886 0.24389109 0.23985107 0.23587772 0.23196995 0.22812669 0.22434686 0.22062945 0.21697345 0.21337782 0.20984161 0.20636381 0.20294349 0.1995797 0.19627152 0.19301803 0.18981834 0.18667156 0.1835768 0.18053326 0.17754006 0.17459638 0.1717014 0.16885434 0.16605438 0.16330077 0.16059275 0.15792954 0.15531044 0.15273468 0.15020159 0.14771044 0.14526056 0.14285123 0.14048183 0.13815166 0.1358601 0.13360651 0.13139024 0.1292107 0.12706727 0.124959365 0.12288638 0.12084776 0.11884292 0.11687131 0.11493238 0.11302558 0.1111504 0.1093063 0.10749277 0.10570931 0.10395541 0.10223059 0.10053437 0.09886628 0.097225845 0.09561261 0.094026126 0.09246595 0.090931654 0.08942279 0.08793896 0.08647974 0.08504471 0.08363349 0.08224568 0.08088088 0.07953872 0.078218825 0.07692082 0.07564435 0.074389055 0.07315458 0.071940586 0.070746735 0.06957268 0.06841811 0.06728269 0.06616611 0.06506805 0.06398821 0.062926285 0.061881978 0.060855 0.05984506 0.058851875 0.05787517 0.056914676 0.055970114 0.055041224 0.05412775 0.05322943 0.052346017 0.05147726 0.050622925

</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="3.275" PeakHeight="277.003" Num="5" zHalfNm="252.234" Error="0.389">
-62.627 0.419 -0.276 0.143 -0.036
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" 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="6514.875" A="-1.24958917E11" B="3.8567568E7" C="-2975.767" Error="0.00175"/>
<QuasiParabolic ID="2" StartDistance="6514.875" EndDistance="6549.751" A="0.0" B="3159.2637" C="-0.4448921" Error="0.0636"/>
<QuasiParabolic ID="3" StartDistance="6549.751" EndDistance="6582.0" A="-2.97827379E9" B="801301.9" C="-52.87849" Error="0.0636"/>
<QuasiParabolic ID="4" StartDistance="6582.0" EndDistance="6585.0" A="2.89194403E12" B="-8.7884691E8" C="66769.38" Error="0.0345"/>
<QuasiParabolic ID="5" StartDistance="6585.0" EndDistance="6598.0" A="4.5219221E12" B="-1.3739049E9" C="104359.2" Error="0.0418"/>
<QuasiParabolic ID="6" StartDistance="6598.0" EndDistance="6630.0" A="8.6436018E12" B="-2.62327731E9" C="199037.31" Error="0.0429"/>
<QuasiParabolic ID="7" StartDistance="6630.0" EndDistance="6647.003" A="-2.05482329E13" B="6.1827062E9" C="-465064.0" Error="0.0124"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="104.626" Depth="0.154"/>
<TopsideChapman PeakHeight="277.003" PeakDensity="133072.27" PeakScaleHeight="18.671" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
