<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-19 -050 07:55:00.000"
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="20.0">
<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: 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" >
2026.02.19 (050) 07:55:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.16" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.95" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="85.88234" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202605002190755001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="28" >
<URSI ID="00" Val="4.125" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.542" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.611" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.125" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="30" Val="2.475" Name="foEs" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.350" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.425" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="255.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="255.000" Name="h`F2" Units="km" QL="/" DL="/" />
<URSI ID="34" Val="100.000" Name="h`Es" 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="4.100" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="313.722" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.350" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.350" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="266.358" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="245.871" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.398" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<Custom Name="fminEs" Val="2.125" Description="Minimum frequency of Es-layer" Units="MHz" />
<URSI ID="94" Val="29.889" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.390" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.967" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="32.270" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.560" Name="B1" QL="/" DL="/" />
<URSI ID="32" Val="2.350" Name="fbEs" Units="MHz" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="2">
<Trace Type="standard" Layer="F2" Polarization="O" Num="72">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.35 2.375 2.4 2.425 2.45 2.475 2.5 2.525 2.55 2.575 2.6 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 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 3.3 3.325 3.35 3.375 3.4 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
255.000 255.000 255.000 257.500 257.500 257.500 257.500 257.500 260.000 260.000 260.000 260.000 262.500 262.500 262.500 262.500 265.000 265.000 265.000 267.500 267.500 268.125 268.750 269.375 270.000 270.000 270.000 270.000 270.000 272.500 272.500 272.500 272.500 275.000 275.000 275.000 277.500 277.500 277.500 277.500 280.000 280.000 280.000 282.500 282.500 282.500 285.000 285.000 285.000 287.500 287.500 287.500 288.750 290.000 292.500 292.500 292.500 293.333 294.167 295.000 297.500 298.750 300.000 301.250 302.500 303.437 304.582 306.013 307.851 310.299 313.722 318.847
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
45 57 54 72 72 63 63 63 63 66 66 66 66 66 66 63 60 48 48 27 30 0 0 0 51 54 60 84 81 81 84 87 84 84 84 84 81 84 84 81 81 84 84 78 78 66 63 69 66 63 63 48 0 75 69 63 63 0 0 72 69 0 0 0 0 0 57 69 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
3.125 3.125 -3.125 -3.125 3.125 3.125 3.125 3.125 -3.125 3.125 -3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 -3.125 -3.125 -3.125 -9.375 9.375 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 -3.125 3.125 3.125 -3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 -3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 -3.125 3.125 3.125 -3.125 3.125 -3.125 -9.375 3.125 3.125 -3.125 3.125 3.125 -3.125 -3.125 -9.375
</TraceValueList>
</Trace>
<Trace Type="standard" Layer="Es" Polarization="O" Num="15">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 2.425 2.45 2.475
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
102.500 102.500 102.500 100.000 102.500 102.500 101.250 100.000 100.000 100.000 100.000 100.000 100.000 100.000 100.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
45 0 78 75 51 51 0 36 39 36 51 51 63 63 51
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
3.125 3.125 -3.125 -3.125 -3.125 3.125 3.125 -3.125 3.125 3.125 -3.125 -3.125 -3.125 -3.125 3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="413">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 141.31967 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 172.63933 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 203.959 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 266.358 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0
</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 0.35354906 0.3529118 0.35205317 0.35097662 0.3496128 0.34804216 0.34619886 0.34409297 0.341736 0.3390715 0.33618551 0.3329604 0.3294871 0.3257251 0.32164273 0.31721774 0.31249583 0.30735993 0.30193427 0.29601133 0.2897762 0.2830693 0.27580884 0.2681095 0.25982863 0.2509186 0.24132164 0.23095088 0.21973723 0.2076713 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 0.2017734 0.20669045 0.21160749 0.21652453 0.22144157 0.2263586 0.23127565 0.23619267 0.24110971 0.24602675 0.25094378 0.25586084 0.26077786 0.26569492 0.27061194 0.275529 0.28044602 0.28536305 0.2902801 0.29519713 0.30011418 0.3050312 0.30994827 0.3148653 0.31978232 0.32469937 0.3296164 0.33453345 0.33945048 0.34436753 0.34928456 0.354 0.35541695 0.3892095 0.42256376 0.45648885 0.49159342 0.52829564 0.56694585 0.60782063 0.6511373 0.6970678 0.7457125 0.79712164 0.8512398 0.9079746 0.9671378 1.0284896 1.0917678 1.1567035 1.2230119 1.2904515 1.3587785 1.4278116 1.4973856 1.56736 1.6376467 1.7081747 1.7788695 1.849716 1.9206624 1.9917175 2.0628583 2.1340969 2.2054338 2.2768726 2.3484306 2.4201186 2.4919443 2.5639215 2.6360488 2.7083426 2.780801 2.8534298 2.9262092 2.9991214 3.0721517 3.1452563 3.2183752 3.2914188 3.3643012 3.4368703 3.5089424 3.580272 3.650524 3.7193034 3.7860363 3.8500574 3.9104695 3.9661841 4.0158725 4.0580473 4.091115 4.113559 4.1241984 4.125 4.1242657 4.120263 4.1129146 4.1023746 4.0887976 4.072339 4.0531535 4.031393 4.0072093 3.9807503 3.9521613 3.9215841 3.8891573 3.8550153 3.8192885 3.7821028 3.7435803 3.7038376 3.6629875 3.6211379 3.5783923 3.534849 3.4906025 3.4457424 3.400354 3.3545177 3.3083103 3.2618046 3.2150683 3.1681662 3.1211588 3.0741034 3.0270529 2.9800575 2.9331641 2.886416 2.839854 2.7935157 2.7474358 2.7016468 2.6561785 2.6110582 2.5663111 2.5219603 2.4780264 2.434529 2.391485 2.3489099 2.3068175 2.2652204 2.2241294 2.183554 2.1435025 2.103982 2.0649984 2.0265565 1.9886607 1.9513135 1.9145174 1.8782736 1.8425828 1.8074449 1.7728593 1.7388246 1.7053391 1.6724002 1.6400055 1.6081514 1.5768344 1.5460507 1.5157957 1.4860649 1.4568535 1.4281564 1.3999681 1.3722832 1.345096 1.3184006 1.2921909 1.2664609 1.2412043 1.2164148 1.1920861 1.1682116 1.1447849 1.1217995 1.0992486 1.077126 1.0554249 1.0341388 1.0132611 0.9927851 0.97270447 0.95301265 0.9337032 0.9147696 0.8962056 0.8780047 0.8601608 0.8426676 0.8255189 0.80870867 0.79223084 0.7760794 0.76024854 0.7447324 0.7295252 0.71462125 0.70001495 0.68570083 0.67167336 0.6579272 0.6444571 0.6312578 0.6183241 0.605651 0.5932335 0.5810668 0.56914586 0.5574661 0.54602283 0.53481144 0.5238274 0.51306623 0.50252366 0.49219537 0.48207712 0.4721648 0.46245438 0.4529418 0.44362316 0.4344946 0.4255524 0.4167928 0.40821216 0.39980692 0.39157355 0.38350862 0.37560877 0.36787066 0.36029103 0.3528667 0.34559458 0.33847153 0.3314946 0.3246608 0.31796727 0.3114111 0.30498958 0.29869995 0.29253954 0.2865057 0.2805959 0.27480757 0.26913828 0.2635856 0.25814712 0.25282052 0.24760355 0.24249396 0.23748952 0.23258813 0.22778766 0.22308606 0.21848129 0.21397138 0.20955437 0.20522837 0.20099153 0.196842 0.19277799 0.18879776 0.18489958 0.18108179 0.1773427 0.17368072 0.17009425 0.16658176 0.16314173 0.15977263 0.15647306 0.15324154 0.1500767 0.14697716 0.14394157 0.14096862 0.13805704 0.13520552 0.13241288 0.12967786 0.12699929 0.12437602 0.1218069 0.11929081 0.11682666 0.11441338 0.11204993 0.10973527 0.107468404 0.10524835 0.103074126 0.1009448 0.098859444 0.09681714 0.09481703 0.09285821 0.09093984 0.0890611 0.08722115 0.08541921 0.08365448 0.08192619 0.0802336 0.078575976 0.07695259 0.07536273 0.07380571 0.072280854 0.07078749 0.06932498 0.06789267 0.06648995 0.06511621 0.063770846 0.062453274 0.06116292 0.059899222 0.05866163 0.0574496 0.056262616 0.055100147 0.053961698 0.052846767 0.051754866 0.050685525

</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="4.125" PeakHeight="266.358" Num="5" zHalfNm="245.871" Error="0.934">
-57.985 -8.306 5.866 -2.784 0.81
</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="6511.32" A="-1.54797113E11" B="4.7776888E7" C="-3686.363" Error="0.00158"/>
<QuasiParabolic ID="2" StartDistance="6511.32" EndDistance="6542.639" A="0.0" B="2886.4453" C="-0.40327445" Error="0.0525"/>
<QuasiParabolic ID="3" StartDistance="6542.639" EndDistance="6572.0" A="1.8416183E9" B="-677320.75" C="60.539677" Error="0.0525"/>
<QuasiParabolic ID="4" StartDistance="6572.0" EndDistance="6583.0" A="5.2439873E12" B="-1.59597427E9" C="121431.27" Error="0.0568"/>
<QuasiParabolic ID="5" StartDistance="6583.0" EndDistance="6630.0" A="1.01361302E13" B="-3.08227021E9" C="234320.22" Error="0.0204"/>
<QuasiParabolic ID="6" StartDistance="6630.0" EndDistance="6636.358" A="-8.5167566E13" B="2.56669594E10" C="-1933796.6" Error="0.00357"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="93.959" Depth="0.154"/>
<TopsideChapman PeakHeight="266.358" PeakDensity="211111.97" PeakScaleHeight="14.967" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
