<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-15 -135 02:10:00.000"
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" >
2026.05.15 (135) 02:10:00</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">
FF202613505150210001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.925" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.411" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="9.978" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.625" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.625" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.225" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="295.622" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="295.622" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.800" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="312.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.625" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.625" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="280.378" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="256.400" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.109" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="34.273" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.833" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="18.174" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="34.030" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.190" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="13">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
295.622 296.961 298.526 300.378 302.605 305.000 310.000 312.500 320.000 327.500 340.000 360.000 404.634
</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
</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 -10.9375 -10.9375 -10.9375 -10.9375 -10.9375 -10.9375 -10.9375 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="458">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.369 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 184.738 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 222.107 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 280.378 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0
</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 0.350941 0.34979865 0.3485186 0.34703198 0.34541664 0.34360602 0.3416076 0.33936042 0.33694476 0.33437034 0.3315819 0.32859433 0.32536063 0.3219634 0.31830093 0.31440184 0.31029612 0.3059069 0.30127865 0.29628393 0.29115945 0.2855955 0.27970248 0.27351463 0.2669457 0.2599831 0.25257307 0.24469224 0.2362688 0.22730786 0.2177341 0.20751621 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 0.20107971 0.20520078 0.20932184 0.2134429 0.21756397 0.22168504 0.2258061 0.22992715 0.23404822 0.23816928 0.24229035 0.24641141 0.25053248 0.25465354 0.2587746 0.26289567 0.26701674 0.27113777 0.27525884 0.2793799 0.28350097 0.28762203 0.2917431 0.29586416 0.29998523 0.3041063 0.30822736 0.31234843 0.3164695 0.32059056 0.3247116 0.32883266 0.33295372 0.3370748 0.34119585 0.34531692 0.34943798 0.35355905 0.354 0.37680754 0.404171 0.43338498 0.46438 0.49706388 0.53136975 0.56722707 0.6045979 0.6434389 0.6837446 0.7254929 0.7686953 0.8133606 0.859477 0.907084 0.9561648 1.0067481 1.0588198 1.1123824 1.1674225 1.2238889 1.2817663 1.340978 1.4014399 1.4630694 1.5257306 1.5892824 1.6535553 1.718373 1.7835319 1.8487949 1.9139394 1.9787043 2.0428438 2.1061087 2.1682603 2.2290435 2.2882257 2.345601 2.4009628 2.4541373 2.5049555 2.5532756 2.59897 2.6419325 2.6820672 2.7192988 2.753555 2.7847855 2.81295 2.838008 2.8599312 2.8787043 2.8943021 2.9067168 2.9159365 2.9219558 2.9247708 2.925 2.9246678 2.9227674 2.919235 2.9141316 2.9075186 2.8994577 2.8900099 2.8792367 2.867199 2.8539562 2.8395684 2.8240938 2.8075898 2.7901132 2.771719 2.7524614 2.7323935 2.711566 2.6900294 2.6678321 2.6450214 2.6216426 2.5977402 2.5733564 2.5485325 2.523308 2.4977212 2.4718087 2.4456055 2.4191453 2.3924606 2.365582 2.3385394 2.3113606 2.2840726 2.256701 2.22927 2.201803 2.1743217 2.146847 2.1193986 2.091995 2.064654 2.0373921 2.010225 1.9831672 1.9562327 1.9294344 1.9027845 1.876294 1.8499739 1.8238338 1.7978829 1.7721298 1.746582 1.7212471 1.6961315 1.6712413 1.6465821 1.6221591 1.5979767 1.574039 1.5503498 1.5269123 1.5037293 1.4808035 1.4581369 1.4357314 1.4135884 1.3917092 1.3700948 1.3487457 1.3276625 1.3068451 1.2862937 1.266008 1.2459874 1.2262316 1.2067394 1.1875101 1.1685425 1.1498355 1.1313874 1.1131968 1.0952624 1.077582 1.0601542 1.0429767 1.026048 1.0093654 0.9929273 0.9767313 0.96077514 0.9450565 0.92957306 0.9143224 0.8993021 0.88450974 0.8699427 0.8555986 0.84147483 0.82756877 0.81387794 0.8003997 0.78713155 0.77407074 0.7612148 0.748561 0.7361068 0.7238496 0.7117868 0.6999158 0.68823403 0.6767389 0.66542786 0.65429837 0.6433479 0.6325739 0.62197393 0.6115454 0.60128593 0.5911931 0.5812644 0.57149744 0.5618899 0.55243933 0.54314345 0.534 0.52500653 0.5161609 0.50746083 0.49890414 0.49048856 0.48221195 0.47407216 0.46606708 0.45819464 0.45045274 0.44283932 0.4353524 0.42799002 0.42075014 0.41363087 0.40663025 0.39974645 0.39297757 0.38632175 0.37977725 0.37334222 0.3670149 0.3607936 0.35467657 0.34866214 0.3427486 0.3369344 0.33121783 0.32559732 0.32007134 0.31463835 0.30929676 0.3040451 0.29888195 0.29380578 0.2888152 0.28390878 0.27908513 0.2743429 0.26968074 0.2650973 0.2605913 0.25616142 0.25180647 0.24752513 0.2433162 0.2391785 0.23511079 0.23111196 0.22718082 0.22331625 0.21951716 0.21578242 0.21211098 0.20850176 0.20495373 0.20146586 0.19803713 0.19466658 0.1913532 0.18809605 0.18489416 0.18174662 0.17865252 0.17561094 0.17262103 0.16968188 0.16679265 0.1639525 0.1611606 0.15841615 0.15571833 0.15306637 0.15045947 0.14789689 0.14537786 0.14290167 0.14046758 0.13807489 0.13572288 0.13341087 0.1311382 0.12890418 0.12670816 0.12454951 0.12242758 0.12034176 0.11829143 0.116275996 0.11429486 0.11234744 0.11043316 0.10855147 0.106701806 0.10488363 0.10309641 0.101339616 0.099612735 0.097915255 0.096246675 0.094606504 0.092994265 0.09140948 0.08985169 0.08832043 0.08681524 0.08533569 0.08388134 0.08245176 0.08104653 0.079665236 0.07830747 0.076972835 0.07566094 0.07437139 0.07310381 0.07185782 0.070633054 0.06942917 0.06824578 0.06708256 0.06593916 0.06481524 0.06371047 0.06262452 0.061557084 0.06050783 0.059476458 0.058462657 0.057466134 0.05648659 0.055523746 0.054577302 0.05364699 0.05273253 0.051833656 0.050950103 0.050081603

</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="2.925" PeakHeight="280.378" Num="5" zHalfNm="256.4" Error="0.896">
-59.007 1.346 -0.975 0.553 -0.188
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" 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="6517.369" A="-1.08920431E11" B="3.3617416E7" C="-2593.8113" Error="0.00178"/>
<QuasiParabolic ID="2" StartDistance="6517.369" EndDistance="6554.738" A="0.0" B="933.71655" C="-0.103227995" Error="0.0195"/>
<QuasiParabolic ID="3" StartDistance="6554.738" EndDistance="6588.0" A="2.16162755E10" B="-6675683.5" C="515.37244" Error="0.0195"/>
<QuasiParabolic ID="4" StartDistance="6588.0" EndDistance="6590.0" A="-6.1439561E11" B="1.86406256E8" C="-14138.691" Error="0.00354"/>
<QuasiParabolic ID="5" StartDistance="6590.0" EndDistance="6596.0" A="4.5723046E12" B="-1.38770598E9" C="105293.195" Error="0.0395"/>
<QuasiParabolic ID="6" StartDistance="6596.0" EndDistance="6608.0" A="4.5005406E12" B="-1.36594637E9" C="103643.734" Error="0.0275"/>
<QuasiParabolic ID="7" StartDistance="6608.0" EndDistance="6612.0" A="1.18990853E13" B="-3.60521523E9" C="273079.94" Error="0.00483"/>
<QuasiParabolic ID="8" StartDistance="6612.0" EndDistance="6633.0" A="7.5444881E12" B="-2.28803533E9" C="173474.67" Error="0.0319"/>
<QuasiParabolic ID="9" StartDistance="6633.0" EndDistance="6650.378" A="-1.67543822E13" B="5.0386253E9" C="-378813.94" Error="0.0112"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="112.107" Depth="0.154"/>
<TopsideChapman PeakHeight="280.378" PeakDensity="106149.195" PeakScaleHeight="18.174" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
