<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-10-23 -296 22:55:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 85% PACIFIC flags: Multiple candidates for F2x cusp, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.10.23 (296) 22:55:00</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">
FF202629610232255001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="9.175" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.792" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="34.794" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.500" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.500" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="9.450" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="222.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="222.500" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="9.125" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="278.512" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.369" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.500" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.500" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="242.912" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="227.936" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="9.286" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="22.415" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="5.071" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.117" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="24.090" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.550" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="228">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 7.6 7.625 7.65 7.675 7.7 7.725 7.75 7.775 7.8 7.825 7.85 7.875 7.9 7.925 7.95 7.975 8.0 8.025 8.05 8.075 8.1 8.125 8.15 8.175 8.2 8.225 8.25 8.275 8.3 8.325 8.35 8.375 8.4 8.425 8.45 8.475 8.5 8.525 8.55 8.575 8.6 8.625 8.65 8.675 8.7 8.725 8.75 8.775 8.8 8.825 8.85 8.875 8.9 8.925 8.95 8.975 9.0 9.025 9.05 9.075 9.1 9.125 9.15 9.175
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
222.500 225.000 225.000 225.000 225.000 225.000 225.000 225.000 225.000 225.000 225.000 225.833 226.667 227.500 227.500 227.500 227.500 227.500 227.500 227.500 227.917 228.333 228.750 229.167 229.583 230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 230.000 232.500 232.500 232.500 232.500 232.500 232.500 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.000 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 233.000 233.500 234.000 234.500 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.000 235.000 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 238.750 240.000 240.000 240.000 240.000 240.000 240.000 240.000 240.000 240.000 240.000 240.000 240.000 240.000 240.000 240.000 240.000 240.000 240.000 242.500 242.500 242.500 242.500 242.500 242.500 242.500 242.500 245.000 245.000 245.000 245.000 245.000 245.000 245.000 245.000 245.000 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 250.000 250.000 250.000 250.000 250.000 250.000 250.000 250.000 250.000 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 257.500 257.500 257.500 257.500 257.500 257.500 260.000 260.000 260.000 260.000 260.000 260.000 260.000 260.000 262.500 262.500 262.500 262.500 262.500 262.500 265.000 265.000 265.000 265.000 267.500 267.500 267.500 267.500 267.500 267.500 270.000 270.000 270.000 270.000 270.000 272.500 272.500 272.500 272.500 272.500 275.000 275.191 275.426 275.722 276.106 276.626 277.368 278.512 280.510 284.879
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
75 75 75 75 72 72 0 0 0 0 0 0 0 0 0 0 81 81 81 0 0 0 0 0 0 0 0 0 0 0 69 72 72 87 87 75 72 51 51 72 75 51 51 75 78 99 0 0 0 0 69 69 72 69 69 93 96 99 99 75 75 0 99 99 99 78 81 108 108 81 81 99 93 96 0 0 0 0 96 0 96 75 78 102 99 99 96 72 63 0 0 0 0 78 0 81 81 69 69 0 0 0 69 0 0 0 0 0 0 0 0 0 0 0 78 90 90 78 78 78 75 90 90 78 78 66 66 0 87 78 0 0 87 78 78 81 78 66 66 0 0 0 0 0 0 0 0 0 0 90 0 0 0 66 69 93 93 72 72 72 69 90 90 69 69 93 93 69 69 69 66 90 93 69 69 0 93 93 90 69 69 93 93 90 0 78 78 78 78 87 87 75 72 75 78 87 0 75 75 51 51 51 0 0 39 63 63 75 72 75 75 99 99 0 72 72 72 93 96 0 0 0 0 0 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 -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 -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 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 -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 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 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="358">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.19 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 136.25 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 162.5 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 188.75 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 242.912 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.2211611 0.24388196 0.26343927 0.28040668 0.29522812 0.30821386 0.3196001 0.32955456 0.33821216 0.34567046 0.3520069 0.35728303 0.36154386 0.36482415 0.36714962 0.36853832 0.369 0.3687937 0.36825797 0.36731318 0.36604688 0.3643037 0.36225796 0.35976228 0.35691494 0.35365865 0.34994474 0.3458447 0.34125143 0.33625108 0.33069593 0.32466528 0.3180607 0.31088367 0.30306008 0.2945808 0.28539056 0.27534217 0.2643425 0.25237253 0.23925382 0.22476365 0.20875433 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 0.20321904 0.20965715 0.21609524 0.22253333 0.22897142 0.23540953 0.24184762 0.24828571 0.25472382 0.2611619 0.2676 0.2740381 0.28047618 0.2869143 0.2933524 0.29979047 0.30622858 0.31266665 0.31910476 0.32554287 0.33198094 0.33841905 0.34485716 0.35129523 0.35773334 0.36417142 0.369 0.38357064 0.44369343 0.5080098 0.57768786 0.6535453 0.73617756 0.8259598 0.9230835 1.0274979 1.1390605 1.2574335 1.3822026 1.5129724 1.649264 1.7906816 1.9368502 2.087415 2.2421205 2.4007223 2.5630605 2.7289746 2.8983479 3.0711243 3.2472012 3.4265883 3.6092083 3.7951143 3.9842508 4.176599 4.3722305 4.5711246 4.7732325 4.978625 5.18724 5.399053 5.613962 5.8319354 6.0527625 6.276321 6.5022492 6.7302666 6.9597588 7.190017 7.4202094 7.6489835 7.8747563 8.095339 8.307923 8.508869 8.693698 8.857001 8.992651 9.094321 9.156347 9.175 9.174944 9.1665945 9.144644 9.109932 9.063299 9.005586 8.93762 8.860215 8.774165 8.680237 8.579175 8.471691 8.358467 8.240152 8.117361 7.990677 7.8606477 7.7277884 7.5925813 7.4554753 7.3168893 7.177211 7.036799 6.8959846 6.7550716 6.6143384 6.474039 6.334405 6.195647 6.0579534 5.921496 5.7864265 5.6528816 5.520982 5.390833 5.2625284 5.136148 5.0117607 4.8894253 4.76919 4.6510944 4.5351706 4.421442 4.3099265 4.200634 4.0935707 3.988736 3.8861258 3.785731 3.6875398 3.5915358 3.4977005 3.406012 3.3164465 3.2289784 3.1435797 3.060221 2.9788713 2.8994994 2.8220718 2.7465553 2.6729155 2.6011174 2.531126 2.4629056 2.396421 2.331636 2.268515 2.2070227 2.1471233 2.0887818 2.0319629 1.9766324 1.9227556 1.8702989 1.8192285 1.7695116 1.7211157 1.6740087 1.6281592 1.5835359 1.5401088 1.4978478 1.4567237 1.4167076 1.3777716 1.339888 1.3030297 1.2671703 1.232284 1.1983455 1.16533 1.1332136 1.1019723 1.0715834 1.0420241 1.0132726 0.98530746 0.9581076 0.9316527 0.9059228 0.8808985 0.85656077 0.8328913 0.8098719 0.78748524 0.76571405 0.7445417 0.72395205 0.70392925 0.68445784 0.6655229 0.64710975 0.6292043 0.6117925 0.5948611 0.5783968 0.5623869 0.546819 0.5316809 0.51696086 0.50264746 0.48872948 0.47519612 0.46203676 0.4492412 0.43679935 0.42470154 0.41293827 0.40150034 0.3903788 0.37956494 0.36905023 0.3588265 0.34888566 0.33921996 0.32982174 0.3206837 0.3117986 0.30315948 0.2947595 0.28659216 0.2786509 0.2709296 0.2634221 0.2561225 0.24902508 0.24212423 0.2354145 0.22889064 0.22254749 0.21638004 0.21038345 0.20455298 0.19888403 0.19337215 0.18801296 0.18280226 0.17773592 0.17280997 0.1680205 0.16336375 0.15883602 0.15443377 0.15015349 0.14599183 0.14194548 0.13801128 0.13418609 0.13046691 0.1268508 0.12333489 0.11991643 0.116592705 0.11336109 0.11021904 0.10716407 0.10419376 0.10130578 0.09849784 0.095767714 0.093113266 0.09053238 0.08802303 0.085583225 0.08321104 0.08090461 0.0786621 0.076481745 0.07436182 0.07230066 0.07029662 0.06834813 0.06645365 0.06461167 0.062820755 0.061079476 0.05938646 0.057740368 0.056139905 0.0545838 0.05307083 0.051599793 0.050169528

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.369" PeakHeight="110.0" Num="3" Error="0.0">
-19.304 2.66 -0.166
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.369" EndFrequency="9.175" PeakHeight="242.912" Num="5" zHalfNm="227.936" Error="0.628">
-51.014 -6.937 5.397 -2.057 0.449
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.017" EndDistance="6480.001" A="-5.9750266E11" B="1.84414384E8" C="-14229.369" Error="0.0024"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6506.25" A="-2.48090051E11" B="7.6571E7" C="-5908.12" Error="0.00179"/>
<QuasiParabolic ID="2" StartDistance="6506.25" EndDistance="6532.5" A="0.0" B="6404.8726" C="-0.9444312" Error="0.0992"/>
<QuasiParabolic ID="3" StartDistance="6532.5" EndDistance="6558.0" A="-1.06829742E10" B="3097407.2" C="-223.7756" Error="0.0992"/>
<QuasiParabolic ID="4" StartDistance="6558.0" EndDistance="6566.0" A="2.00548653E13" B="-6.1163136E9" C="466337.0" Error="0.0542"/>
<QuasiParabolic ID="5" StartDistance="6566.0" EndDistance="6571.0" A="3.39949283E13" B="-1.03624489E10" C="789679.6" Error="0.0287"/>
<QuasiParabolic ID="6" StartDistance="6571.0" EndDistance="6608.0" A="8.2630079E13" B="-2.51654164E10" C="1916065.9" Error="0.102"/>
<QuasiParabolic ID="7" StartDistance="6608.0" EndDistance="6612.912" A="-6.9529568E14" B="2.10284265E11" C="-1.5899437E7" Error="0.00281"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="78.75" Depth="0.169"/>
<TopsideChapman PeakHeight="242.912" PeakDensity="1044424.6" PeakScaleHeight="11.117" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
