<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-17 -137 00:30:00.000"
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, F2 cusps do not match</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.17 (137) 00:30:00</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">
FF202613705170030001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.175" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.338" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.597" 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="3.200" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="332.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="332.500" 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="3.175" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="350.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="289.815" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="262.973" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.762" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="38.449" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.078" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="19.796" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="39.930" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.810" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="9">
<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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
340.000 332.500 342.500 343.750 345.000 346.250 347.500 348.750 350.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 69 90 0 0 0 0 0 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="496">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 146.28267 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 182.56534 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 218.848 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 289.815 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0
</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 0.34957823 0.34822705 0.34667096 0.34491634 0.34297046 0.34077144 0.3384688 0.33593333 0.33317882 0.330155 0.32700917 0.32356727 0.31991696 0.31602317 0.31185925 0.30740783 0.302714 0.2977237 0.29242718 0.2868761 0.2808949 0.2745355 0.26787534 0.26068348 0.25312766 0.24500805 0.23634928 0.22715546 0.21726388 0.20670998 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 0.20184492 0.20608938 0.21033382 0.21457827 0.21882273 0.22306718 0.22731163 0.23155607 0.23580053 0.24004498 0.24428943 0.24853387 0.25277832 0.2570228 0.26126724 0.2655117 0.26975614 0.27400059 0.27824503 0.28248948 0.28673396 0.2909784 0.29522285 0.2994673 0.30371174 0.3079562 0.31220064 0.3164451 0.32068956 0.324934 0.32917845 0.3334229 0.33766735 0.3419118 0.34615627 0.35040072 0.354 0.35836908 0.38554215 0.41130385 0.43662205 0.4620165 0.4878119 0.5142487 0.54152167 0.5697859 0.59917784 0.62982506 0.66183585 0.6952944 0.7302844 0.76685107 0.8050204 0.84480876 0.88619584 0.92910916 0.9734968 1.0192494 1.0662388 1.1143516 1.1634341 1.213358 1.2639736 1.3151493 1.3667779 1.4187392 1.4709425 1.5233102 1.5757571 1.6282226 1.6806661 1.733036 1.7852978 1.83742 1.8893733 1.941133 1.9926728 2.043981 2.0950215 2.145794 2.19626 2.2463949 2.296172 2.345567 2.3945336 2.443039 2.4910314 2.538455 2.585242 2.631326 2.676621 2.7210321 2.7644436 2.806736 2.8477678 2.8873837 2.9254072 2.961641 2.995864 3.0278556 3.0573626 3.0841334 3.1079092 3.128437 3.145469 3.1587925 3.1682239 3.1736293 3.175 3.174973 3.173903 3.1713102 3.1672456 3.161761 3.1549077 3.146737 3.1373012 3.1266513 3.1148381 3.1019127 3.0879247 3.0729234 3.056958 3.040076 3.0223243 3.0037494 2.984396 2.9643083 2.9435294 2.9221013 2.9000647 2.8774595 2.8543243 2.8306966 2.8066123 2.7821066 2.7572138 2.7319665 2.706396 2.6805334 2.6544075 2.628047 2.6014788 2.574729 2.5478227 2.5207837 2.4936352 2.466399 2.439096 2.4117465 2.3843694 2.356983 2.3296046 2.3022506 2.274937 2.2476783 2.2204885 2.1933813 2.1663692 2.139464 2.1126769 2.0860188 2.0594993 2.0331278 2.0069134 1.980864 1.9549874 1.9292907 1.9037806 1.8784633 1.8533446 1.8284296 1.8037233 1.7792304 1.7549546 1.7308999 1.7070696 1.6834669 1.6600943 1.6369544 1.6140493 1.5913808 1.5689508 1.5467602 1.5248106 1.5031027 1.4816371 1.4604144 1.439435 1.4186988 1.398206 1.3779563 1.3579493 1.3381845 1.3186613 1.299379 1.2803366 1.2615333 1.2429677 1.2246388 1.2065455 1.188686 1.1710591 1.1536634 1.136497 1.1195585 1.102846 1.0863578 1.0700922 1.0540471 1.0382206 1.022611 1.0072161 0.99203396 0.97706246 0.96229964 0.9477433 0.9333914 0.9192418 0.9052923 0.89154077 0.87798506 0.86462295 0.85145235 0.83847094 0.8256767 0.81306726 0.8006406 0.78839433 0.7763265 0.76443475 0.752717 0.7411711 0.72979486 0.7185861 0.7075427 0.6966626 0.6859436 0.6753837 0.6649807 0.65473264 0.64463735 0.63469285 0.6248971 0.6152482 0.60574394 0.59638256 0.58716196 0.57808024 0.5691355 0.5603258 0.5516493 0.5431041 0.53468835 0.52640027 0.518238 0.5101998 0.5022839 0.49448848 0.48681188 0.47925237 0.47180825 0.46447787 0.45725957 0.4501517 0.4431527 0.43626097 0.4294749 0.42279294 0.4162136 0.40973532 0.40335667 0.39707613 0.39089224 0.3848036 0.37880874 0.37290633 0.36709493 0.36137322 0.35573983 0.35019344 0.3447328 0.3393565 0.3340634 0.32885218 0.3237216 0.31867045 0.31369755 0.30880168 0.30398172 0.29923648 0.2945648 0.28996563 0.28543782 0.2809803 0.276592 0.2722718 0.26801878 0.26383182 0.25970995 0.25565216 0.25165746 0.2477249 0.24385352 0.24004239 0.23629056 0.23259714 0.22896123 0.22538193 0.22185838 0.21838973 0.21497512 0.21161371 0.2083047 0.20504728 0.20184064 0.19868399 0.19557656 0.19251762 0.18950638 0.18654212 0.18362412 0.18075164 0.17792399 0.17514049 0.17240043 0.16970314 0.16704796 0.16443425 0.16186136 0.15932864 0.15683548 0.15438128 0.1519654 0.14958727 0.14724629 0.1449419 0.1426735 0.14044057 0.13824253 0.13607883 0.13394897 0.13185239 0.12978859 0.12775704 0.12575728 0.12378877 0.121851034 0.11994361 0.118066005 0.11621777 0.114398435 0.11260755 0.11084468 0.10910939 0.10740123 0.1057198 0.104064666 0.102435425 0.10083168 0.099253014 0.09769905 0.096169405 0.094663695 0.093181536 0.09172257 0.09028643 0.088872775 0.08748124 0.08611147 0.08476315 0.083435915 0.08212946 0.080843456 0.07957757 0.07833151 0.07710494 0.075897574 0.0747091 0.073539235 0.07238768 0.07125416 0.070138365 0.069040045 0.06795892 0.06689472 0.06584717 0.064816035 0.063801035 0.06280192 0.06181845 0.060850378 0.05989746 0.05895946 0.05803615 0.057127293 0.056232665 0.055352043 0.05448521 0.05363195 0.05279205 0.051965296 0.05115149 0.050350428

</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="3.175" PeakHeight="289.815" Num="5" zHalfNm="262.973" Error="1.814">
-68.373 -4.676 3.056 -1.773 0.799
</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="6516.283" A="-1.1550602E11" B="3.5650008E7" C="-2750.6467" Error="0.00174"/>
<QuasiParabolic ID="2" StartDistance="6516.283" EndDistance="6552.565" A="0.0" B="-537.9449" C="0.12258723" Error="0.0123"/>
<QuasiParabolic ID="3" StartDistance="6552.565" EndDistance="6587.0" A="4.0421306E10" B="-1.2404742E7" C="951.72375" Error="0.0123"/>
<QuasiParabolic ID="4" StartDistance="6587.0" EndDistance="6588.0" A="-8.4117606E11" B="2.55273232E8" C="-19366.932" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6588.0" EndDistance="6590.0" A="1.03432008E13" B="-3.14010522E9" C="238327.25" Error="0.0126"/>
<QuasiParabolic ID="6" StartDistance="6590.0" EndDistance="6591.0" A="-4.8930509E12" B="1.48394675E9" C="-112511.3" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6591.0" EndDistance="6599.0" A="2.14060774E12" B="-6.503753E8" C="49400.56" Error="0.00566"/>
<QuasiParabolic ID="8" StartDistance="6599.0" EndDistance="6635.0" A="5.5862881E12" B="-1.69467917E9" C="128526.47" Error="0.0165"/>
<QuasiParabolic ID="9" StartDistance="6635.0" EndDistance="6651.0" A="-1.9608788E12" B="5.8027699E8" C="-42909.56" Error="0.00642"/>
<QuasiParabolic ID="10" StartDistance="6651.0" EndDistance="6659.815" A="-2.35475042E13" B="7.0715187E9" C="-530899.5" Error="0.00217"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="108.848" Depth="0.154"/>
<TopsideChapman PeakHeight="289.815" PeakDensity="125069.79" PeakScaleHeight="19.796" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
