<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-05 -125 22:20:00.000"
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 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 90% PACIFIC flags: One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.05 (125) 22:20:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612505052220001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.775" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.872" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.615" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.150" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.150" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.075" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="232.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="232.500" 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="3.675" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="258.658" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.150" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.150" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="231.115" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="217.888" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.019" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="19.034" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.793" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="19.070" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.030" 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" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
232.500 232.500 232.500 233.750 235.000 235.000 237.500 237.500 237.500 240.000 240.000 242.500 242.500 242.500 245.000 247.500 247.500 247.500 250.000 252.373 255.208 258.658 262.943 268.411 275.630 285.601
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 81 81 0 69 81 78 81 81 84 84 81 84 69 72 69 72 69 69 72 69 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 -9.375 -3.125 -3.125 -3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="306">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 138.58333 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 167.16667 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 195.75 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 231.115 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0
</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 0.3533988 0.35268724 0.35168076 0.35038465 0.34873247 0.34680796 0.3446216 0.34204412 0.33923516 0.3360058 0.33251932 0.32860458 0.3243659 0.31978112 0.314722 0.3093164 0.3034716 0.29713094 0.29034886 0.28298154 0.27503994 0.26650268 0.25724816 0.24721296 0.23637795 0.22454801 0.21165071 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 0.2044898 0.20987755 0.2152653 0.22065306 0.22604081 0.23142858 0.23681633 0.24220408 0.24759184 0.2529796 0.25836736 0.2637551 0.26914287 0.27453062 0.27991837 0.28530613 0.29069388 0.29608163 0.3014694 0.30685714 0.3122449 0.31763265 0.3230204 0.32840815 0.3337959 0.3391837 0.34457144 0.3499592 0.354 0.36592126 0.4160605 0.47054923 0.5299084 0.5946013 0.6650412 0.741573 0.82444876 0.91383964 1.0098214 1.1123511 1.221216 1.3361706 1.4567983 1.5825846 1.7129532 1.8471487 1.9844509 2.1239552 2.2647836 2.4059055 2.5462704 2.6847687 2.820249 2.95151 3.07729 3.1963573 3.307431 3.4092693 3.5006797 3.580511 3.647723 3.7014256 3.740867 3.765475 3.7748985 3.775 3.7724671 3.7637434 3.7491844 3.7291913 3.7041647 3.6744998 3.6405833 3.6027925 3.5614922 3.5170333 3.4697516 3.4199674 3.3679843 3.3140893 3.258552 3.2016263 3.1435483 3.084538 3.0247998 2.964523 2.9038818 2.843036 2.782132 2.7213037 2.6606727 2.600349 2.540432 2.481011 2.4221656 2.3639667 2.3064775 2.249753 2.1938412 2.138784 2.0846167 2.0313697 1.979068 1.9277323 1.8773786 1.8280191 1.7796631 1.732316 1.6859807 1.6406572 1.5963436 1.5530357 1.5107274 1.4694108 1.4290768 1.3897147 1.351313 1.3138589 1.2773387 1.2417384 1.207043 1.173237 1.1403043 1.108229 1.0769943 1.0465837 1.0169799 0.98816633 0.96012574 0.9328412 0.90629566 0.88047224 0.85535413 0.8309247 0.8071674 0.784066 0.7616043 0.7397665 0.71853685 0.69790006 0.6778409 0.65834445 0.6393962 0.6209817 0.603087 0.58569825 0.56880206 0.5523851 0.5364346 0.52093786 0.50588256 0.49125668 0.47704846 0.46324638 0.44983923 0.43681613 0.42416638 0.4118796 0.39994568 0.38835472 0.3770971 0.36616346 0.35554472 0.3452319 0.33521643 0.32548985 0.316044 0.30687088 0.29796275 0.28931203 0.28091145 0.27275378 0.26483214 0.25713974 0.24967004 0.24241665 0.23537336 0.22853415 0.22189312 0.21544461 0.20918307 0.2031031 0.19719948 0.19146712 0.18590109 0.18049659 0.17524895 0.17015363 0.16520625 0.16040254 0.1557383 0.15120953 0.1468123 0.14254282 0.13839737 0.13437235 0.1304643 0.1266698 0.12298558 0.11940843 0.11593525 0.11256303 0.109288834 0.10610982 0.10302322 0.10002636 0.097116634 0.094291516 0.09154854 0.08888532 0.086299546 0.08378897 0.08135141 0.07898473 0.07668688 0.074455865 0.072289735 0.07018661 0.06814465 0.06616209 0.06423719 0.06236829 0.060553744 0.058791984 0.057081472 0.05542072 0.05380828 0.05224274 0.050722748

</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="3.775" PeakHeight="231.115" Num="5" zHalfNm="217.888" Error="0.456">
-34.884 -0.563 0.098 -0.057 0.041
</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="6508.583" A="-1.85709953E11" B="5.7317888E7" C="-4422.5513" Error="0.00149"/>
<QuasiParabolic ID="2" StartDistance="6508.583" EndDistance="6537.167" A="0.0" B="4247.8364" C="-0.6126313" Error="0.0708"/>
<QuasiParabolic ID="3" StartDistance="6537.167" EndDistance="6564.0" A="-3.08317491E9" B="810916.06" C="-51.862732" Error="0.0708"/>
<QuasiParabolic ID="4" StartDistance="6564.0" EndDistance="6565.0" A="2.87471226E12" B="-8.7603104E8" C="66739.875" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6565.0" EndDistance="6573.0" A="1.47772355E13" B="-4.5020851E9" C="342905.47" Error="0.0379"/>
<QuasiParabolic ID="6" StartDistance="6573.0" EndDistance="6574.0" A="3.03835466E13" B="-9.2506962E9" C="704126.5" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6574.0" EndDistance="6583.0" A="3.8594408E13" B="-1.17486766E10" C="894115.8" Error="0.0232"/>
<QuasiParabolic ID="8" StartDistance="6583.0" EndDistance="6593.0" A="2.87133076E13" B="-8.7466721E9" C="666103.94" Error="0.0271"/>
<QuasiParabolic ID="9" StartDistance="6593.0" EndDistance="6601.115" A="-9.7691506E13" B="2.95984865E10" C="-2241916.5" Error="0.00777"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="85.75" Depth="0.154"/>
<TopsideChapman PeakHeight="231.115" PeakDensity="176806.77" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
