<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-16 -047 04:35:00.000"
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, One of F2 cusps was derived from the other, Unidentified traces above foF2, Trace overlaps while constructing baseline</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.02.16 (047) 04:35:00</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">
FF202604702160435001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="7.575" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.744" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="28.357" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="7.900" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="235.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="235.000" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="7.550" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="286.170" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="257.044" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="243.554" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.399" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="20.573" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="3.315" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="23.960" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.210" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="224">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 2.025 2.05 2.075 2.1 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 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 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 5.8 5.825 5.85 5.875 5.9 5.925 5.95 5.975 6.0 6.025 6.05 6.075 6.1 6.125 6.15 6.175 6.2 6.225 6.25 6.275 6.3 6.325 6.35 6.375 6.4 6.425 6.45 6.475 6.5 6.525 6.55 6.575 6.6 6.625 6.65 6.675 6.7 6.725 6.75 6.775 6.8 6.825 6.85 6.875 6.9 6.925 6.95 6.975 7.0 7.025 7.05 7.075 7.1 7.125 7.15 7.175 7.2 7.225 7.25 7.275 7.3 7.325 7.35 7.375 7.4 7.425 7.45 7.475 7.5 7.525 7.55 7.575
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
235.000 235.000 235.000 235.833 236.667 237.500 237.500 240.000 240.000 241.250 242.500 242.500 240.000 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 240.000 240.000 240.000 240.000 242.500 242.500 242.500 242.500 242.500 242.500 237.500 240.000 247.500 247.500 247.500 247.500 245.000 242.500 242.500 242.500 242.500 245.000 245.000 245.000 245.000 244.167 243.333 242.500 242.500 242.500 242.500 242.500 242.500 242.500 242.500 242.500 242.500 243.750 245.000 245.000 245.000 245.000 245.000 245.000 245.000 245.000 245.000 245.000 245.000 245.000 245.000 245.000 245.625 246.250 246.875 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 250.000 250.000 250.000 250.000 250.000 250.000 250.000 250.000 250.000 250.000 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 253.750 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 257.500 257.500 257.500 257.500 257.500 257.500 257.500 257.500 257.500 257.500 257.500 257.500 259.000 260.500 262.000 263.500 265.000 265.000 265.000 265.000 265.385 265.769 266.154 266.538 266.923 267.308 267.692 268.077 268.462 268.846 269.231 269.615 270.000 270.385 270.769 271.154 271.538 271.923 272.308 272.692 273.077 273.462 273.846 274.231 274.615 275.000 275.385 275.769 276.154 276.538 276.923 277.308 277.692 278.077 278.462 278.846 279.231 279.615 280.000 282.500 281.250 280.000 281.250 282.500 282.188 281.875 281.563 281.250 280.938 280.625 280.313 280.000 282.500 282.500 283.333 284.167 285.000 287.500 287.500 285.000 285.000 285.000 285.000 285.000 285.000 287.500 287.500 287.500 287.500 288.571 289.643 290.714 285.000 285.076 285.183 285.344 285.616 286.170 287.928
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 63 63 0 0 69 78 69 69 0 0 0 0 48 48 66 66 69 69 72 72 72 72 75 72 72 0 0 0 63 57 48 54 42 45 66 57 63 0 0 75 87 0 0 90 93 93 90 90 105 105 93 93 105 105 105 105 93 93 81 78 81 81 75 78 78 78 90 90 78 75 75 72 87 87 102 102 90 90 81 78 93 93 69 72 96 93 96 96 84 84 84 84 96 96 99 99 75 72 72 72 96 90 66 63 93 93 84 84 96 99 99 99 99 99 69 69 69 72 69 69 72 72 69 72 93 102 63 66 105 105 96 96 108 105 108 105 66 66 102 0 99 102 0 0 57 63 57 0 0 96 96 0 0 96 0 0 0 81 96 99 93 0 0 0 0 57 0 54 0 0 0 0 93 0 0 0 90 0 0 0 90 0 0 0 0 84 0 0 87 0 87 87 90 90 93 96 0 78 63 0 93 90 90 87 0 51 93 0 90 90 0 87 96 93 57 60 63 60 66 69 102 99 81
</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 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 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="356">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 139.16667 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 168.33333 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 197.5 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 257.044 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0
</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 0.35347393 0.352762 0.35175505 0.3505324 0.3489521 0.3470975 0.34497866 0.3425364 0.33978727 0.33674988 0.3333779 0.32963315 0.32561377 0.321167 0.3164043 0.31120363 0.30563802 0.29957724 0.29311055 0.28615454 0.27862445 0.27052397 0.26174292 0.2523066 0.24211602 0.23105234 0.21895285 0.20588575 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 0.20352 0.2088 0.21408 0.21936 0.22464 0.22992 0.2352 0.24048 0.24576 0.25104 0.25632 0.2616 0.26688 0.27216 0.27744 0.28272 0.288 0.29328 0.29856 0.30384 0.30912 0.3144 0.31968 0.32496 0.33024 0.33552 0.3408 0.34608 0.35136 0.354 0.41562024 0.48182178 0.53799486 0.5918239 0.64562076 0.7005231 0.7572457 0.8162571 0.8779548 0.9426403 1.0105467 1.0818521 1.1567051 1.235176 1.3173186 1.4031235 1.4925548 1.5855279 1.6819352 1.7816576 1.8845545 1.990508 2.0993245 2.2109084 2.3251295 2.4418647 2.561037 2.6825302 2.8062863 2.9322786 3.06045 3.1907835 3.323308 3.4579575 3.5948446 3.7339218 3.8752894 4.018991 4.165114 4.313688 4.464845 4.6186776 4.775299 4.9348583 5.0974097 5.263185 5.432225 5.604697 5.7806945 5.9603004 6.1434374 6.329941 6.5193515 6.7106814 6.9020195 7.089611 7.266655 7.420639 7.531454 7.57492 7.575 7.569078 7.5507145 7.5206995 7.4798374 7.4289317 7.368774 7.30014 7.2237844 7.140437 7.050801 6.9555473 6.855316 6.750715 6.6423163 6.53066 6.4162517 6.299564 6.181036 6.061075 5.9400597 5.8183355 5.6962233 5.574014 5.4519753 5.3303485 5.2093534 5.0891876 4.970029 4.852036 4.73535 4.620096 4.5063844 4.3943095 4.283955 4.175391 4.0686774 3.9638643 3.8609917 3.7600918 3.6611886 3.5642996 3.469436 3.3766024 3.2857997 3.1970227 3.1102629 3.025508 2.9427416 2.8619456 2.7830985 2.7061765 2.631154 2.5580041 2.4866977 2.4172049 2.3494942 2.2835343 2.219292 2.1567342 2.0958276 2.036538 1.978831 1.9226731 1.8680297 1.8148668 1.7631506 1.7128472 1.6639234 1.616346 1.5700824 1.5251002 1.4813676 1.4388533 1.3975263 1.3573562 1.3183132 1.2803682 1.2434924 1.2076575 1.1728358 1.1390007 1.1061254 1.0741842 1.0431517 1.0130035 0.9837151 0.95526314 0.9276246 0.900777 0.8746984 0.84936756 0.82476354 0.8008662 0.7776556 0.7551126 0.7332184 0.7119547 0.69130373 0.67124814 0.6517711 0.63285625 0.6144875 0.5966494 0.57932687 0.56250507 0.5461698 0.5303072 0.5149036 0.49994597 0.4854215 0.47131774 0.45762262 0.4443244 0.43141168 0.41887334 0.40669858 0.394877 0.38339835 0.37225276 0.36143062 0.35092258 0.34071958 0.3308128 0.3211937 0.3118539 0.30278537 0.29398024 0.2854309 0.27712995 0.26907015 0.26124454 0.25364634 0.24626897 0.23910601 0.23215124 0.22539862 0.21884228 0.21247655 0.20629588 0.2002949 0.1944684 0.1888113 0.1833187 0.17798582 0.172808 0.16778077 0.16289973 0.15816066 0.15355939 0.14909196 0.14475445 0.1405431 0.13645424 0.13248432 0.12862986 0.12488753 0.12125406 0.11772627 0.11430111 0.11097558 0.10774679 0.104611926 0.10156826 0.098613136 0.095743984 0.0929583 0.09025365 0.087627694 0.08507813 0.08260274 0.08019937 0.07786591 0.075600356 0.073400706 0.07126505 0.06919153 0.06717834 0.065223716 0.06332597 0.06148343 0.059694503 0.057957623 0.056271277 0.054633997 0.053044353 0.051500957 0.05000247

</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="7.575" PeakHeight="257.044" Num="5" zHalfNm="243.554" Error="1.896">
-51.316 -15.281 8.529 -2.631 1.155
</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="6509.167" A="-1.78385355E11" B="5.5057208E7" C="-4248.116" Error="0.00152"/>
<QuasiParabolic ID="2" StartDistance="6509.167" EndDistance="6538.333" A="0.0" B="-5975.324" C="0.9580034" Error="0.103"/>
<QuasiParabolic ID="3" StartDistance="6538.333" EndDistance="6558.0" A="1.99273021E11" B="-6.0967384E7" C="4663.272" Error="0.103"/>
<QuasiParabolic ID="4" StartDistance="6558.0" EndDistance="6565.0" A="-4.47374098E11" B="1.36241248E8" C="-10372.458" Error="0.0224"/>
<QuasiParabolic ID="5" StartDistance="6565.0" EndDistance="6570.0" A="1.20889027E13" B="-3.68288358E9" C="280497.66" Error="0.132"/>
<QuasiParabolic ID="6" StartDistance="6570.0" EndDistance="6580.0" A="6.4497165E12" B="-1.96623616E9" C="149854.8" Error="0.0448"/>
<QuasiParabolic ID="7" StartDistance="6580.0" EndDistance="6617.0" A="4.1071527E13" B="-1.24895826E10" C="949501.2" Error="0.149"/>
<QuasiParabolic ID="8" StartDistance="6617.0" EndDistance="6624.0" A="1.85183488E14" B="-5.6047677E10" C="4240879.0" Error="0.0151"/>
<QuasiParabolic ID="9" StartDistance="6624.0" EndDistance="6627.044" A="-9.7190419E14" B="2.93314527E11" C="-2.2130062E7" Error="0.00378"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="87.5" Depth="0.154"/>
<TopsideChapman PeakHeight="257.044" PeakDensity="711918.44" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
