<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-10-21 -294 02:50:00.000"
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: 40% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, F2 cusps do not match, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.10.21 (294) 02:50:00</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">
FF202629410210250001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.775" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.550" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="20.502" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.425" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.425" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.625" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="267.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="267.500" 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="5.700" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="308.668" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.550" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.550" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="278.124" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="258.886" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.710" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.163" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.558" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.319" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.960" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.790" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="95">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.425 3.45 3.475 3.5 3.525 3.55 3.575 3.6 3.625 3.65 3.675 3.7 3.725 3.75 3.775 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975 4.0 4.025 4.05 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575 4.6 4.625 4.65 4.675 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95 4.975 5.0 5.025 5.05 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 5.725 5.75 5.775
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
270.000 271.250 272.500 272.500 272.500 267.500 272.500 272.500 272.500 272.500 272.778 273.056 273.333 273.611 273.889 274.167 274.444 274.722 275.000 275.000 275.000 275.000 276.250 277.500 277.500 277.500 277.500 277.500 280.000 282.500 283.750 285.000 280.000 280.000 277.500 282.500 282.500 280.000 280.000 285.000 292.500 285.000 287.500 292.500 292.500 293.750 295.000 293.750 292.500 297.500 297.500 287.500 287.500 292.500 291.875 291.250 290.625 290.000 292.500 292.500 292.500 293.333 294.167 295.000 295.000 295.000 295.000 295.000 295.000 295.000 295.000 295.000 295.000 295.000 295.000 295.000 296.667 298.333 300.000 300.000 305.000 300.000 305.000 300.000 305.000 305.000 305.000 305.328 305.762 306.361 307.243 308.668 311.364 318.399 383.426
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
93 90 93 96 87 81 84 75 69 69 75 78 66 66 0 0 0 0 93 93 102 99 87 90 93 93 90 93 102 105 99 102 93 93 90 93 93 90 90 90 66 66 66 63 54 48 78 78 102 96 99 102 93 93 93 90 90 93 102 96 99 0 81 87 90 81 66 63 0 66 102 108 102 96 87 90 63 0 102 102 96 99 102 99 99 99 102 102 102 93 96 99 81 78 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 -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 -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 -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="430">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 146.253 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 182.506 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 218.759 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 278.124 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0
</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 0.348154 0.34659868 0.34484494 0.3429 0.34077185 0.33846918 0.33586612 0.33311298 0.33015564 0.32694623 0.32350603 0.31985754 0.31596568 0.31180385 0.3073546 0.3026631 0.29762518 0.29233396 0.28669834 0.28072938 0.27438298 0.2676638 0.26049435 0.252903 0.24481775 0.23610805 0.22690472 0.21694683 0.20638816 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 0.20209847 0.2063464 0.21059433 0.21484224 0.21909018 0.2233381 0.22758602 0.23183395 0.23608187 0.24032979 0.24457772 0.24882564 0.25307357 0.25732148 0.2615694 0.26581734 0.27006528 0.27431318 0.27856112 0.28280905 0.28705695 0.2913049 0.29555282 0.29980072 0.30404866 0.3082966 0.3125445 0.31679243 0.32104036 0.32528827 0.3295362 0.33378413 0.33803207 0.34227997 0.3465279 0.35077584 0.354 0.36210635 0.39685786 0.4336738 0.47292727 0.5149565 0.56008375 0.6086036 0.66078115 0.71687007 0.7770519 0.8414843 0.9102521 0.9833595 1.0607697 1.1423781 1.2280169 1.3174843 1.4105476 1.5069623 1.6064734 1.7088484 1.8138587 1.9212646 2.0309033 2.1425505 2.2560644 2.3713202 2.4881504 2.606437 2.7260752 2.8469648 2.9689589 3.0919929 3.2159371 3.3406765 3.4660962 3.5920472 3.718389 3.8449345 3.9715126 4.09788 4.223787 4.348928 4.472983 4.5955634 4.716178 4.834313 4.9494014 5.060739 5.1675687 5.269042 5.3642025 5.4520335 5.531484 5.601452 5.660855 5.708689 5.7440667 5.7662888 5.7748938 5.775 5.7729163 5.7655864 5.753213 5.736044 5.7143273 5.6883106 5.65824 5.624357 5.586902 5.5461082 5.502205 5.455415 5.4059544 5.354034 5.299856 5.243616 5.1855016 5.1256924 5.0643616 5.0016737 4.9377856 4.8728466 4.8069987 4.7403765 4.6731067 4.60531 4.5371 4.468582 4.3998575 4.33102 4.2621565 4.19335 4.1246767 4.0562077 3.988009 3.920142 3.852663 3.7856243 3.7190738 3.6530552 3.5876088 3.5227714 3.458576 3.3950527 3.3322282 3.2701268 3.20877 3.148177 3.088364 3.0293453 2.9711337 2.9137394 2.8571708 2.801435 2.7465374 2.6924818 2.6392705 2.586905 2.5353854 2.4847105 2.4348783 2.3858864 2.3377304 2.2904062 2.2439084 2.1982312 2.1533682 2.1093123 2.0660558 2.0235913 1.9819099 1.9410033 1.9008625 1.861478 1.8228405 1.7849401 1.7477672 1.7113115 1.6755629 1.640511 1.6061457 1.5724562 1.5394324 1.5070635 1.475339 1.4442486 1.4137815 1.3839276 1.354676 1.3260167 1.2979392 1.2704333 1.2434889 1.2170959 1.191244 1.1659237 1.141125 1.1168382 1.0930538 1.0697623 1.0469545 1.0246209 1.0027525 0.9813404 0.96037567 0.9398496 0.9197537 0.9000793 0.88081825 0.86196226 0.8435033 0.8254334 0.8077448 0.7904298 0.7734808 0.7568905 0.7406515 0.7247568 0.70919913 0.6939718 0.679068 0.664481 0.65020436 0.63623154 0.6225564 0.60917264 0.59607434 0.58325547 0.5707102 0.5584329 0.54641783 0.5346596 0.5231529 0.5118923 0.50087273 0.49008906 0.47953635 0.46920973 0.45910442 0.44921577 0.43953916 0.43007013 0.42080426 0.41173726 0.4028649 0.39418307 0.38568768 0.3773748 0.36924055 0.3612811 0.35349277 0.34587184 0.33841482 0.33111814 0.32397842 0.3169923 0.31015652 0.30346784 0.2969231 0.29051924 0.28425327 0.2781222 0.2721231 0.26625323 0.2605098 0.25489005 0.24939138 0.24401116 0.23874687 0.233596 0.22855614 0.22362489 0.2187999 0.21407893 0.20945972 0.20494008 0.20051786 0.196191 0.19195743 0.18781513 0.18376216 0.17979658 0.17591652 0.17212014 0.16840564 0.16477124 0.16121523 0.15773593 0.15433167 0.15100086 0.14774188 0.14455321 0.14143334 0.13838077 0.13539405 0.13247177 0.12961255 0.126815 0.12407783 0.12139971 0.118779376 0.11621559 0.11370712 0.11125278 0.1088514 0.10650185 0.10420299 0.101953745 0.099753045 0.09759983 0.095493086 0.09343181 0.09141502 0.08944175 0.08751107 0.08562206 0.08377382 0.08196547 0.08019615 0.078465015 0.076771244 0.075114034 0.07349259 0.07190614 0.07035394 0.068835236 0.067349315 0.06589547 0.064472996 0.063081235 0.061719514 0.060387183 0.05908361 0.05780818 0.056560274 0.05533931 0.0541447 0.052975874 0.05183228 0.05071337

</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="5.775" PeakHeight="278.124" Num="5" zHalfNm="258.886" Error="0.83">
-56.928 -4.132 2.727 -1.401 0.369
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="7" 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="6516.253" A="-1.15694764E11" B="3.570826E7" C="-2755.1416" Error="0.00175"/>
<QuasiParabolic ID="2" StartDistance="6516.253" EndDistance="6552.506" A="0.0" B="525.6223" C="-0.040628944" Error="0.0103"/>
<QuasiParabolic ID="3" StartDistance="6552.506" EndDistance="6588.0" A="3.6261708E10" B="-1.1143682E7" C="856.1488" Error="0.026"/>
<QuasiParabolic ID="4" StartDistance="6588.0" EndDistance="6601.0" A="9.0161409E12" B="-2.73727565E9" C="207757.48" Error="0.0526"/>
<QuasiParabolic ID="5" StartDistance="6601.0" EndDistance="6639.0" A="2.9014165E13" B="-8.7963648E9" C="666709.9" Error="0.0289"/>
<QuasiParabolic ID="6" StartDistance="6639.0" EndDistance="6648.124" A="-1.35067385E14" B="4.0633233E10" C="-3055959.0" Error="0.00663"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="108.759" Depth="0.154"/>
<TopsideChapman PeakHeight="278.124" PeakDensity="413779.47" PeakScaleHeight="14.319" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
