<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-19 -139 01:05:00.000"
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 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" >
2026.05.19 (139) 01:05:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" 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">
FF202613905190105001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.475" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.829" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.306" 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="3.900" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="240.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="240.000" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.400" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="264.979" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" 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="237.042" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="222.855" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.564" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="20.353" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.694" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.707" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="20.210" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.130" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="20">
<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 3.325 3.35 3.375 3.4 3.425 3.45 3.475
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
240.000 241.250 242.500 245.000 245.000 247.500 247.500 250.000 250.000 252.500 255.000 255.851 256.887 258.174 259.816 261.984 264.979 269.387 276.513 289.993
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 0 81 90 96 90 96 93 93 96 93 93 96 102 102 105 102 93 84 0
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="310">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 140.33333 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 170.66667 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 237.042 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0
</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 0.35283697 0.35190412 0.35075444 0.34931904 0.34760568 0.34569573 0.3434548 0.34089813 0.338043 0.33497614 0.33158195 0.3278234 0.3237977 0.31935477 0.31466332 0.30954042 0.30405807 0.29813874 0.29176548 0.28499955 0.27773643 0.26987928 0.2613832 0.2523016 0.2425206 0.23193197 0.22042523 0.20793872 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 0.20169231 0.20676923 0.21184616 0.21692307 0.222 0.22707692 0.23215385 0.23723076 0.2423077 0.24738462 0.25246155 0.25753847 0.26261538 0.2676923 0.27276924 0.27784616 0.28292307 0.288 0.29307693 0.29815385 0.30323076 0.30830768 0.31338462 0.31846154 0.32353845 0.3286154 0.3336923 0.33876923 0.34384614 0.3489231 0.354 0.4009262 0.4529574 0.51012564 0.57241035 0.639864 0.7125204 0.7904175 0.8736143 0.9620922 1.0558623 1.1548632 1.2589289 1.3678625 1.4813281 1.5989054 1.7199973 1.8439584 1.9699649 2.097099 2.224385 2.3507328 2.4750376 2.5961573 2.7130127 2.8245156 2.9296873 3.0275733 3.1173508 3.1982934 3.2697332 3.331148 3.382072 3.4221609 3.4511218 3.468771 3.474994 3.475 3.4723341 3.4640887 3.4506135 3.4322655 3.4094005 3.3823693 3.351516 3.3171759 3.2796736 3.239321 3.1964173 3.151248 3.1040838 3.0551805 3.00478 2.953108 2.900377 2.846784 2.7925127 2.7377326 2.682601 2.6272616 2.5718472 2.5164785 2.4612658 2.406309 2.3516984 2.2975152 2.2438326 2.1907158 2.138222 2.0864027 2.035302 1.9849586 1.9354062 1.886673 1.8387827 1.7917548 1.7456053 1.7003462 1.6559867 1.6125327 1.569988 1.5283536 1.4876285 1.4478096 1.4088924 1.3708706 1.3337365 1.2974815 1.2620956 1.2275678 1.1938866 1.1610397 1.129014 1.097796 1.0673718 1.0377272 1.0088475 0.9807181 0.9533239 0.9266499 0.900681 0.8754021 0.85079795 0.8268536 0.80355394 0.78088415 0.7588294 0.73737514 0.7165069 0.6962104 0.67647153 0.65727645 0.6386115 0.6204633 0.60281867 0.58566463 0.5689885 0.5527778 0.5370204 0.52170426 0.5068177 0.49234933 0.4782879 0.46462253 0.45134252 0.4384374 0.425897 0.41371137 0.4018708 0.39036584 0.3791872 0.36832595 0.35777324 0.3475206 0.33755958 0.32788217 0.3184804 0.3093466 0.30047324 0.29185304 0.2834789 0.27534387 0.2674412 0.25976443 0.25230712 0.24506308 0.23802629 0.23119086 0.22455111 0.21810147 0.21183658 0.20575114 0.19984008 0.19409844 0.1885214 0.18310428 0.17784248 0.17273162 0.16776738 0.16294557 0.15826212 0.15371308 0.14929461 0.14500299 0.14083458 0.13678586 0.13285342 0.1290339 0.12532407 0.12172081 0.11822107 0.11482186 0.11152031 0.10831363 0.10519908 0.10217404 0.09923593 0.09638226 0.09361061 0.090918615 0.088304 0.085764535 0.08329807 0.08090252 0.07857582 0.07631602 0.074121185 0.071989454 0.06991901 0.0679081 0.065955006 0.064058065 0.06221568 0.060426265 0.058688305 0.057000324 0.055360883 0.053768586 0.05222208 0.050720047

</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="3.475" PeakHeight="237.042" Num="5" zHalfNm="222.855" Error="0.218">
-36.29 0.424 -0.278 0.149 -0.047
</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="6510.333" A="-1.64983013E11" B="5.0920684E7" C="-3928.9397" Error="0.00156"/>
<QuasiParabolic ID="2" StartDistance="6510.333" EndDistance="6540.667" A="0.0" B="1146.3582" C="-0.13605991" Error="0.0198"/>
<QuasiParabolic ID="3" StartDistance="6540.667" EndDistance="6570.0" A="3.6356383E10" B="-1.1214401E7" C="864.7656" Error="0.0198"/>
<QuasiParabolic ID="4" StartDistance="6570.0" EndDistance="6579.0" A="1.42007222E13" B="-4.3230454E9" C="329010.22" Error="0.0225"/>
<QuasiParabolic ID="5" StartDistance="6579.0" EndDistance="6597.0" A="3.0255872E13" B="-9.2037724E9" C="699942.5" Error="0.0406"/>
<QuasiParabolic ID="6" StartDistance="6597.0" EndDistance="6607.042" A="-6.7616962E13" B="2.04681503E10" C="-1548952.6" Error="0.0113"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="91.0" Depth="0.154"/>
<TopsideChapman PeakHeight="237.042" PeakDensity="149821.66" PeakScaleHeight="10.707" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
