<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-16 -136 21:35:00.000"
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="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: 100%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.16 (136) 21:35:00</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">
FF202613605162135001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.300" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.003" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.209" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.650" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="220.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="220.000" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.175" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="238.744" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.481" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="217.447" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="204.483" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.955" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="18.465" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.617" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.660" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="18.270" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.260" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="13">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
220.000 222.500 225.000 226.939 229.186 231.821 234.955 238.744 243.416 249.321 257.023 267.489 282.529
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
54 66 66 66 0 66 69 81 78 66 63 60 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="290">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
91.795 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 135.66667 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 161.33333 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 217.447 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.20953588 0.25236636 0.28815666 0.3181354 0.3436899 0.3657773 0.38503268 0.40190193 0.4166942 0.4296366 0.4408943 0.45060128 0.4588522 0.4657247 0.47127768 0.47555375 0.47858667 0.4803977 0.481 0.48073193 0.4799286 0.47859418 0.47667724 0.47424886 0.47120795 0.4676342 0.46349564 0.45871246 0.45332664 0.44733223 0.44063097 0.4332235 0.42512736 0.41626295 0.4065033 0.3959507 0.38434762 0.3717209 0.35787386 0.34261706 0.32588235 0.3072639 0.28650725 0.263059 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.237 0.24333766 0.25284415 0.26235065 0.27185714 0.28136364 0.29087013 0.30037662 0.30988312 0.3193896 0.3288961 0.3384026 0.3479091 0.3574156 0.36692208 0.37642857 0.38593507 0.39544156 0.40494806 0.41445455 0.42396104 0.43346754 0.44297403 0.45248052 0.46198702 0.4714935 0.481 0.541715 0.6098767 0.68446094 0.76466 0.8500018 0.94032156 1.035701 1.1362947 1.242357 1.3540838 1.4715466 1.5946413 1.7230325 1.8559062 1.9921494 2.1300867 2.2677572 2.4029303 2.533324 2.6568608 2.7717967 2.876767 2.9708474 3.0534267 3.1241827 3.182978 3.2297897 3.2646592 3.2876532 3.2988222 3.3 3.2991421 3.2933698 3.2824514 3.2667298 3.2465487 3.2222471 3.1941597 3.1626122 3.1279206 3.09039 3.050313 3.007969 2.9636235 2.917528 2.8699195 2.8210208 2.7710407 2.7201734 2.6686 2.6164882 2.563993 2.5112567 2.4584103 2.4055734 2.352855 2.3003545 2.248161 2.1963558 2.1450112 2.0941916 2.0439546 1.994351 1.9454253 1.897216 1.8497565 1.8030754 1.7571967 1.71214 1.6679213 1.6245533 1.5820454 1.5404041 1.4996332 1.4597343 1.4207069 1.3825485 1.345255 1.3088206 1.2732382 1.2384996 1.2045954 1.1715155 1.1392486 1.107783 1.0771064 1.0472056 1.0180676 0.9896785 0.9620244 0.93509114 0.9088643 0.8833295 0.8584721 0.8342776 0.81073135 0.78781897 0.7655259 0.7438378 0.7227405 0.70221984 0.682262 0.6628531 0.6439797 0.6256285 0.6077861 0.5904398 0.57357675 0.5571846 0.54125106 0.5257641 0.51071197 0.49608323 0.48186657 0.46805093 0.4546256 0.44158 0.42890388 0.41658714 0.40462002 0.39299288 0.38169646 0.37072158 0.36005935 0.34970117 0.33963853 0.32986322 0.32036722 0.31114274 0.30218217 0.29347807 0.28502327 0.2768107 0.2688336 0.2610853 0.2535593 0.2462493 0.23914921 0.23225307 0.22555508 0.2190496 0.21273117 0.20659444 0.20063424 0.19484553 0.18922342 0.18376316 0.1784601 0.17330976 0.16830777 0.16344987 0.15873194 0.15414996 0.14970005 0.1453784 0.14118133 0.13710529 0.13314676 0.1293024 0.12556891 0.12194312 0.11842192 0.115002304 0.11168134 0.10845621 0.105324134 0.10228245 0.09932854 0.09645989 0.093674034 0.09096859 0.088341236 0.08578973 0.083311886 0.08090557 0.07856873 0.07629936 0.07409551 0.07195529 0.06987688 0.06785847 0.06589836 0.06399485 0.0621463 0.060351137 0.058607817 0.056914844 0.055270765 0.05367417 0.052123684 0.050617978

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.481" PeakHeight="110.0" Num="3" Error="0.0">
-21.978 4.138 -0.365
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.481" EndFrequency="3.3" PeakHeight="217.447" Num="5" zHalfNm="204.483" Error="0.868">
-30.734 0.752 -0.769 0.443 -0.139
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.005" EndDistance="6480.001" A="-1.01410714E12" B="3.12996032E8" C="-24150.697" Error="0.00906"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6505.667" A="-4.7190501E11" B="1.45649696E8" C="-11238.171" Error="0.00462"/>
<QuasiParabolic ID="2" StartDistance="6505.667" EndDistance="6531.333" A="0.0" B="5143.0635" C="-0.7341231" Error="0.0507"/>
<QuasiParabolic ID="3" StartDistance="6531.333" EndDistance="6556.0" A="9.4021845E10" B="-2.9032548E7" C="2241.1033" Error="0.0507"/>
<QuasiParabolic ID="4" StartDistance="6556.0" EndDistance="6561.0" A="2.32670185E13" B="-7.0982815E9" C="541384.56" Error="0.0286"/>
<QuasiParabolic ID="5" StartDistance="6561.0" EndDistance="6567.0" A="2.35625576E13" B="-7.1883709E9" C="548250.06" Error="0.0201"/>
<QuasiParabolic ID="6" StartDistance="6567.0" EndDistance="6570.0" A="5.7806267E13" B="-1.76173978E10" C="1342298.0" Error="0.00511"/>
<QuasiParabolic ID="7" StartDistance="6570.0" EndDistance="6578.0" A="2.58342199E13" B="-7.8846587E9" C="601602.6" Error="0.0184"/>
<QuasiParabolic ID="8" StartDistance="6578.0" EndDistance="6587.447" A="-6.8630503E13" B="2.08367534E10" C="-1581539.0" Error="0.00714"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="77.0" Depth="0.244"/>
<TopsideChapman PeakHeight="217.447" PeakDensity="135111.66" PeakScaleHeight="10.66" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
