<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-26 -146 01:25:00.000"
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" >
2026.05.26 (146) 01:25:00</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">
FF202614605260125001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.600" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.832" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.795" 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="3.800" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="215.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="215.000" 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="3.525" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="265.291" 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="228.765" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="210.995" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.433" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="25.491" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.914" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.215" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.490" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.040" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="65">
<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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
215.000 215.417 215.833 216.250 216.667 217.083 217.500 217.500 217.500 217.500 217.500 217.500 218.333 219.167 220.000 221.250 222.500 222.500 222.500 222.500 225.000 225.000 225.000 225.000 225.000 227.500 227.500 228.333 229.167 230.000 230.000 230.000 232.500 232.500 232.500 232.500 233.750 235.000 235.000 235.000 237.500 237.500 238.750 240.000 241.250 242.500 242.500 243.750 245.000 247.500 247.500 247.500 247.500 250.000 252.500 253.604 254.865 256.316 258.007 260.000 262.385 265.291 268.909 273.537 279.667
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 0 0 0 0 0 93 81 78 69 72 57 0 0 54 0 78 87 87 72 72 75 72 75 72 69 66 0 0 66 69 60 60 51 51 69 0 78 81 81 81 81 78 81 0 78 81 0 90 87 90 93 84 0 87 78 0 0 87 75 78 78 78 75 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 -10.9375 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="341">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 134.5 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 183.5 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 228.765 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0
</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 0.353812 0.35317364 0.35223874 0.35086352 0.34905878 0.3468389 0.3442219 0.3411586 0.33767787 0.33367795 0.32927206 0.3243802 0.3189446 0.3129916 0.30645373 0.29930657 0.29149976 0.28296635 0.27368933 0.26350668 0.2523124 0.24007721 0.22657463 0.21160045 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 0.20628572 0.21257143 0.21885714 0.22514285 0.23142858 0.23771429 0.244 0.2502857 0.25657144 0.26285714 0.26914287 0.27542856 0.2817143 0.288 0.2942857 0.30057144 0.30685714 0.31314287 0.31942856 0.3257143 0.332 0.3382857 0.34457144 0.35085714 0.354 0.37684572 0.42019916 0.46323633 0.5075816 0.5542373 0.60395354 0.6573499 0.71500313 0.77735966 0.84479666 0.91750664 0.9954814 1.0785418 1.1662248 1.257952 1.3530118 1.4506593 1.5501962 1.6509567 1.7524 1.8540609 1.9555627 2.056571 2.156839 2.2561312 2.3542309 2.4509482 2.5460832 2.63942 2.730735 2.8197625 2.9062319 2.9897983 3.0700958 3.1467483 3.2192564 3.28716 3.3499036 3.406917 3.4576156 3.5014155 3.5377588 3.5661366 3.586115 3.597382 3.6 3.5998893 3.5969896 3.5903022 3.5800226 3.5663471 3.5494728 3.5295947 3.5069056 3.4815953 3.4538493 3.423849 3.3917706 3.357784 3.322054 3.2847385 3.2459898 3.205953 3.1647668 3.1225636 3.0794687 3.035601 2.991073 2.9459908 2.9004543 2.8545573 2.808388 2.7620287 2.7155561 2.6690419 2.6225524 2.5761497 2.5298908 2.483828 2.4380102 2.3924816 2.3472834 2.302452 2.258022 2.2140236 2.1704845 2.1274295 2.0848806 2.0428576 2.001378 1.9604568 1.9201071 1.8803403 1.8411658 1.8025914 1.7646236 1.7272673 1.6905259 1.654402 1.6188971 1.5840111 1.5497435 1.5160929 1.4830568 1.4506323 1.4188157 1.3876027 1.3569884 1.3269675 1.2975343 1.2686827 1.2404062 1.2126977 1.1855505 1.158957 1.1329098 1.1074011 1.0824231 1.0579677 1.0340269 1.0105923 0.987656 0.9652094 0.94324434 0.9217524 0.9007252 0.8801545 0.86003196 0.84034926 0.82109827 0.80227077 0.78385866 0.7658539 0.7482485 0.73103464 0.71420443 0.6977503 0.68166447 0.66593957 0.6505681 0.63554287 0.6208566 0.6065022 0.5924726 0.57876104 0.5653608 0.5522651 0.5394675 0.52696157 0.51474094 0.50279945 0.49113104 0.4797297 0.4685896 0.457705 0.4470702 0.43667972 0.42652816 0.41661015 0.40692052 0.39745414 0.38820606 0.3791713 0.37034515 0.36172286 0.35329983 0.34507155 0.33703363 0.32918176 0.32151172 0.31401935 0.30670062 0.29955155 0.2925683 0.28574705 0.27908415 0.2725759 0.2662188 0.26000938 0.25394425 0.2480201 0.24223366 0.23658179 0.23106137 0.22566938 0.22040287 0.21525893 0.21023473 0.20532751 0.20053457 0.19585325 0.19128098 0.18681523 0.18245356 0.17819351 0.17403276 0.169969 0.16599998 0.1621235 0.1583374 0.15463962 0.15102805 0.14750074 0.14405571 0.14069106 0.13740489 0.1341954 0.13106081 0.12799937 0.12500937 0.12208916 0.11923711 0.11645163 0.11373117 0.11107422 0.10847929 0.105944954 0.10346979 0.10105241 0.09869148 0.09638568 0.09413373 0.09193436 0.08978635 0.08768851 0.08563967 0.083638676 0.08168442 0.0797758 0.07791177 0.076091275 0.07431331 0.07257687 0.070881 0.069224745 0.06760717 0.066027395 0.06448452 0.062977694 0.061506066 0.06006882 0.058665153 0.05729428 0.055955436 0.05464787 0.053370856 0.05212368 0.05090564

</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="3.6" PeakHeight="228.765" Num="5" zHalfNm="210.995" Error="0.908">
-45.286 -0.346 0.645 -0.693 0.415
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" 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="6504.5" A="-2.52482355E11" B="7.7926656E7" C="-6012.734" Error="0.00135"/>
<QuasiParabolic ID="2" StartDistance="6504.5" EndDistance="6529.0" A="0.0" B="1306.9062" C="-0.16091454" Error="0.0186"/>
<QuasiParabolic ID="3" StartDistance="6529.0" EndDistance="6531.0" A="-3.50012886E12" B="1.07181254E9" C="-82052.8" Error="0.0793"/>
<QuasiParabolic ID="4" StartDistance="6531.0" EndDistance="6548.0" A="2.40951099E11" B="-7.3825152E7" C="5654.8804" Error="0.0788"/>
<QuasiParabolic ID="5" StartDistance="6548.0" EndDistance="6549.0" A="-2.39836883E12" B="7.3232019E8" C="-55901.727" Error="0.0"/>
<QuasiParabolic ID="6" StartDistance="6549.0" EndDistance="6550.0" A="2.54676933E12" B="-7.7787616E8" C="59398.043" Error="6.86E-11"/>
<QuasiParabolic ID="7" StartDistance="6550.0" EndDistance="6551.0" A="-4.6274146E12" B="1.41271437E9" C="-107822.61" Error="0.0"/>
<QuasiParabolic ID="8" StartDistance="6551.0" EndDistance="6555.0" A="7.2158046E12" B="-2.20298368E9" C="168142.75" Error="0.0557"/>
<QuasiParabolic ID="9" StartDistance="6555.0" EndDistance="6559.0" A="5.8865798E12" B="-1.79742323E9" C="137207.55" Error="0.0177"/>
<QuasiParabolic ID="10" StartDistance="6559.0" EndDistance="6588.0" A="1.72689877E13" B="-5.2681984E9" C="401788.7" Error="0.0608"/>
<QuasiParabolic ID="11" StartDistance="6588.0" EndDistance="6598.765" A="-5.1771691E13" B="1.56913265E10" C="-1188946.4" Error="0.0118"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="73.5" Depth="0.154"/>
<TopsideChapman PeakHeight="228.765" PeakDensity="160794.05" PeakScaleHeight="13.215" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
