<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-10-21 -294 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: 45% PACIFIC flags: F2o cusp not found, Multiple candidates for F2x 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" >
2026.10.21 (294) 01:50:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.32" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.06" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="62.486557" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202629410210150001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="23" >
<URSI ID="00" Val="5.700" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.394" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="19.343" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="5.075" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="5.075" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.625" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="321.250" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="321.250" 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="88" Val="5.650" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="336.143" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="5.400" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="5.400" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="288.244" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="265.871" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.387" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="32.827" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.887" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.516" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="34.180" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.690" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="26">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
5.075 5.1 5.125 5.15 5.175 5.2 5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55 5.575 5.6 5.625 5.65 5.675 5.7
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
337.500 338.000 338.500 339.000 339.500 340.000 340.000 335.000 334.000 333.000 332.000 331.000 330.000 321.250 322.067 322.970 323.974 325.097 326.360 327.793 329.431 331.322 333.531 336.143 339.282 343.123
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 0 0 60 0 0 0 0 0 0 81 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 -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="476">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.89734 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 181.79466 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 217.692 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 288.244 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0
</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 0.35250106 0.3517192 0.350645 0.3495049 0.34808138 0.3464545 0.34470248 0.3426888 0.34049413 0.3381274 0.33553076 0.33271822 0.32964006 0.32638007 0.3228935 0.3191431 0.31515807 0.31085652 0.30633673 0.30153394 0.2964275 0.29101285 0.28519124 0.27907643 0.2725511 0.26564315 0.25830317 0.25047436 0.24214412 0.2332132 0.22364494 0.21334647 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 0.20088089 0.2051709 0.20946091 0.21375091 0.21804093 0.22233094 0.22662096 0.23091097 0.23520099 0.23949099 0.243781 0.24807101 0.25236103 0.25665104 0.26094106 0.26523107 0.2695211 0.2738111 0.27810112 0.2823911 0.28668112 0.29097113 0.29526114 0.29955116 0.30384117 0.3081312 0.3124212 0.31671122 0.32100123 0.32529125 0.32958126 0.33387128 0.33816126 0.34245127 0.3467413 0.3510313 0.354 0.3702433 0.41356954 0.4517642 0.48844665 0.5249572 0.5620213 0.6001136 0.6396063 0.6807959 0.72395265 0.76931995 0.8171137 0.8675456 0.920784 0.976991 1.0362754 1.0987208 1.1643759 1.2332207 1.305178 1.3801676 1.4580301 1.5385833 1.621623 1.7069263 1.7942687 1.8834254 1.9742157 2.0663996 2.1598372 2.2543561 2.3498087 2.4460928 2.5431104 2.6407516 2.7389438 2.8376217 2.9367452 3.036252 3.1361182 3.23627 3.336701 3.4373474 3.538196 3.6391842 3.7402658 3.8413985 3.9425302 4.0435762 4.1444488 4.2450533 4.3452673 4.4449453 4.5439353 4.6420145 4.7389565 4.8344507 4.928196 5.0197487 5.1086516 5.1943545 5.276232 5.3535156 5.425418 5.49103 5.549382 5.5994744 5.64035 5.6711216 5.6910567 5.699655 5.7 5.698845 5.693848 5.6850452 5.6725945 5.6566563 5.6373897 5.614954 5.589507 5.5612054 5.530203 5.4966516 5.4607005 5.4224954 5.3821783 5.3398886 5.2957606 5.2499266 5.2025123 5.153641 5.1034317 5.051998 4.99945 4.9458942 4.891431 4.836158 4.7801676 4.723549 4.666387 4.6087623 4.550751 4.492427 4.4338584 4.375111 4.316248 4.257326 4.198402 4.1395273 4.0807505 4.0221186 3.963674 3.9054573 3.8475065 3.7898564 3.7325401 3.6755881 3.6190288 3.562888 3.50719 3.451957 3.3972092 3.3429656 3.289243 3.236057 3.1834211 3.1313484 3.0798495 3.0289345 2.9786124 2.9288905 2.8797753 2.8312724 2.7833865 2.7361212 2.6894794 2.643463 2.5980735 2.5533113 2.509177 2.4656694 2.4227877 2.3805299 2.3388941 2.2978778 2.2574775 2.2176902 2.178512 2.1399388 2.1019661 2.0645893 2.0278032 1.9916029 1.9559829 1.9209377 1.8864614 1.852548 1.8191917 1.7863861 1.754125 1.722402 1.6912105 1.660544 1.630396 1.6007597 1.5716286 1.5429957 1.5148544 1.487198 1.4600196 1.4333125 1.4070699 1.3812851 1.3559514 1.3310621 1.3066103 1.2825898 1.2589937 1.2358155 1.2130487 1.190687 1.1687237 1.1471528 1.1259677 1.1051624 1.0847305 1.0646662 1.0449632 1.0256157 1.0066177 0.9879634 0.969647 0.9516629 0.9340054 0.91666895 0.89964813 0.8829375 0.8665317 0.85042554 0.83461386 0.81909144 0.80385333 0.78889453 0.77421016 0.75979537 0.7456455 0.73175585 0.71812177 0.70473874 0.6916023 0.6787081 0.6660518 0.6536291 0.641436 0.62946814 0.61772156 0.60619235 0.5948765 0.5837703 0.5728698 0.56217134 0.5516712 0.5413659 0.53125185 0.5213255 0.51158357 0.50202256 0.49263927 0.4834304 0.47439274 0.46552318 0.45681867 0.44827616 0.43989268 0.4316653 0.42359114 0.4156674 0.40789133 0.40026018 0.3927713 0.38542205 0.37820983 0.37113217 0.36418656 0.35737053 0.3506817 0.3441177 0.3376763 0.3313551 0.32515198 0.3190647 0.31309113 0.30722913 0.3014767 0.2958317 0.29029223 0.2848563 0.27952197 0.27428734 0.26915058 0.26410988 0.25916344 0.25430948 0.2495463 0.24487223 0.24028558 0.23578472 0.23136808 0.22703406 0.22278115 0.2186078 0.21451256 0.21049395 0.20655055 0.20268096 0.1988838 0.1951577 0.19150136 0.18791348 0.18439275 0.18093795 0.17754781 0.17422116 0.17095679 0.16775355 0.1646103 0.1615259 0.15849926 0.1555293 0.15261497 0.14975521 0.14694902 0.1441954 0.14149332 0.13884188 0.1362401 0.13368705 0.13118182 0.12872352 0.12631127 0.123944215 0.121621504 0.119342305 0.117105804 0.1149112 0.11275771 0.11064457 0.10857102 0.10653632 0.104539745 0.10258057 0.10065811 0.09877167 0.09692057 0.095104165 0.093321785 0.091572806 0.0898566 0.088172555 0.08652006 0.08489854 0.08330739 0.08174607 0.080214 0.078710645 0.07723546 0.07578792 0.0743675 0.072973706 0.071606025 0.070263974 0.06894708 0.06765486 0.066386856 0.06514262 0.0639217 0.06272366 0.061548065 0.06039451 0.05926257 0.058151845 0.057061937 0.05599245 0.054943014 0.05391324 0.05290277 0.051911235 0.050938282

</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="5.7" PeakHeight="288.244" Num="5" zHalfNm="265.871" Error="2.024">
-66.949 -7.022 4.454 -2.121 1.086
</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="6515.897" A="-1.17978661E11" B="3.6413168E7" C="-2809.5327" Error="0.00178"/>
<QuasiParabolic ID="2" StartDistance="6515.897" EndDistance="6551.795" A="0.0" B="-1681.0812" C="0.29803798" Error="0.0364"/>
<QuasiParabolic ID="3" StartDistance="6551.795" EndDistance="6583.0" A="5.8340438E10" B="-1.786367E7" C="1367.4794" Error="0.0364"/>
<QuasiParabolic ID="4" StartDistance="6583.0" EndDistance="6585.0" A="-1.4143547E12" B="4.29560032E8" C="-32615.79" Error="0.00302"/>
<QuasiParabolic ID="5" StartDistance="6585.0" EndDistance="6590.0" A="6.6394076E12" B="-2.01653338E9" C="153116.44" Error="0.0746"/>
<QuasiParabolic ID="6" StartDistance="6590.0" EndDistance="6591.0" A="-4.9367435E12" B="1.49671437E9" C="-113442.57" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6591.0" EndDistance="6604.0" A="6.8242789E12" B="-2.0720983E9" C="157291.2" Error="0.0633"/>
<QuasiParabolic ID="8" StartDistance="6604.0" EndDistance="6649.0" A="1.99081255E13" B="-6.0344991E9" C="457291.25" Error="0.0349"/>
<QuasiParabolic ID="9" StartDistance="6649.0" EndDistance="6658.244" A="-1.10610197E14" B="3.32250358E10" C="-2494997.5" Error="0.00615"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="107.692" Depth="0.154"/>
<TopsideChapman PeakHeight="288.244" PeakDensity="403101.75" PeakScaleHeight="16.516" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
