<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-01 -121 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: 100%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.01 (121) 22:20:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.20" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612105012220001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.050" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.934" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="15.934" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.200" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.200" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.325" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.050" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="262.636" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.200" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.200" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="223.196" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="209.403" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.019" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="19.851" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.918" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="19.760" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.090" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="35">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975 4.0 4.025 4.05
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
220.000 220.750 221.500 222.250 223.000 223.750 224.500 225.250 226.000 226.750 227.500 227.500 227.500 230.000 231.250 232.500 233.750 235.000 236.250 237.500 238.750 240.000 241.250 242.500 243.750 245.000 246.250 247.500 247.500 249.367 251.439 253.752 256.349 259.286 262.636
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
75 0 0 0 0 0 0 0 0 0 75 75 75 0 0 0 0 0 0 0 0 0 0 0 0 0 0 72 72 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 9.375 -9.375 -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="299">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 135.66667 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 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 223.196 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0
</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 0.35324875 0.3523882 0.35108605 0.34949994 0.34749252 0.3450799 0.34228173 0.3391207 0.33555436 0.33154994 0.32708573 0.3222145 0.31684378 0.31099588 0.3045735 0.29760364 0.290026 0.28171796 0.27274016 0.2629728 0.2523031 0.24063194 0.22781542 0.21374473 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 0.204 0.21 0.216 0.222 0.228 0.234 0.24 0.246 0.252 0.258 0.264 0.27 0.276 0.282 0.288 0.294 0.3 0.306 0.312 0.318 0.324 0.33 0.336 0.342 0.348 0.354 0.40926856 0.46706468 0.5287202 0.5951982 0.66726106 0.7455504 0.83062476 0.92286694 1.0225462 1.1297193 1.2443051 1.3659755 1.4942464 1.6284765 1.76785 1.9114943 2.0583992 2.2075503 2.3579016 2.5083768 2.657844 2.8052251 2.949426 3.0892816 3.2237375 3.3516054 3.4718552 3.5833626 3.6850693 3.775979 3.8551714 3.921775 3.9750638 4.01443 4.039414 4.049715 4.05 4.047754 4.0389204 4.023792 4.0027986 3.9763703 3.9449317 3.9088988 3.868677 3.8246589 3.777222 3.7267282 3.6735225 3.6179318 3.5602658 3.5008154 3.4398537 3.3776357 3.3143992 3.250365 3.185737 3.120703 3.0554364 2.9900951 2.9248242 2.8597546 2.7950058 2.7306848 2.6668887 2.6037035 2.5412064 2.4794652 2.4185398 2.3584826 2.2993388 2.241147 2.18394 2.1277454 2.0725853 2.0184774 1.9654355 1.9134694 1.8625853 1.8127866 1.7640736 1.7164443 1.6698943 1.6244173 1.580005 1.5366478 1.4943342 1.453052 1.4127877 1.3735266 1.3352536 1.2979527 1.2616072 1.2262002 1.1917145 1.1581321 1.125435 1.0936053 1.0626247 1.032475 1.0031378 0.97459495 0.94682825 0.9198197 0.89355147 0.8680058 0.84316516 0.8190122 0.79552996 0.7727016 0.7505105 0.7289405 0.70797545 0.6875998 0.66779804 0.64855516 0.6298563 0.61168694 0.59403294 0.57688046 0.56021583 0.54402596 0.5282978 0.51301867 0.49817628 0.48375857 0.46975383 0.45615056 0.44293758 0.43010402 0.4176393 0.405533 0.39377508 0.38235575 0.37126544 0.36049485 0.35003495 0.33987692 0.33001217 0.3204324 0.31112942 0.3020954 0.29332265 0.2848037 0.27653128 0.26849833 0.260698 0.2531236 0.24576867 0.23862687 0.23169209 0.22495836 0.21841992 0.21207112 0.2059065 0.19992073 0.19410866 0.18846531 0.18298575 0.17766528 0.1724993 0.16748333 0.16261305 0.15788421 0.15329275 0.14883468 0.14450613 0.14030334 0.13622269 0.13226064 0.12841372 0.12467861 0.12105208 0.11753096 0.1141122 0.11079283 0.10756996 0.1044408 0.101402625 0.098452784 0.09558872 0.09280794 0.09010803 0.08748663 0.08494147 0.08247033 0.08007106 0.07774157 0.075479835 0.07328388 0.0711518 0.06908174 0.067071885 0.0651205 0.06322587 0.06138636 0.05960036 0.057866316 0.056182712 0.05454809 0.052961014 0.05142011

</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="4.05" PeakHeight="223.196" Num="5" zHalfNm="209.403" Error="0.5">
-36.361 0.163 -0.072 -0.014 0.088
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="19" 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="6505.667" A="-2.30120505E11" B="7.1024848E7" C="-5480.187" Error="0.00139"/>
<QuasiParabolic ID="2" StartDistance="6505.667" EndDistance="6531.333" A="0.0" B="19.069214" C="0.03708035" Error="2.88E-4"/>
<QuasiParabolic ID="3" StartDistance="6531.333" EndDistance="6532.0" A="3.50204723E12" B="-1.07243219E9" C="82102.79" Error="0.0"/>
<QuasiParabolic ID="4" StartDistance="6532.0" EndDistance="6533.0" A="-2.22386874E12" B="6.8075699E8" C="-52097.242" Error="1.75E-10"/>
<QuasiParabolic ID="5" StartDistance="6533.0" EndDistance="6534.0" A="2.35712073E12" B="-7.2165824E8" C="55235.934" Error="1.65E-10"/>
<QuasiParabolic ID="6" StartDistance="6534.0" EndDistance="6535.0" A="-2.22513673E12" B="6.8093043E8" C="-52094.086" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6535.0" EndDistance="6536.0" A="2.3586582E12" B="-7.2191418E8" C="55239.09" Error="0.0"/>
<QuasiParabolic ID="8" StartDistance="6536.0" EndDistance="6537.0" A="-1.99700814E12" B="6.1090906E8" C="-46721.07" Error="0.0"/>
<QuasiParabolic ID="9" StartDistance="6537.0" EndDistance="6539.0" A="6.5502328E11" B="-2.00481936E8" C="15340.349" Error="0.00966"/>
<QuasiParabolic ID="10" StartDistance="6539.0" EndDistance="6556.0" A="4.0159928E10" B="-1.2421564E7" C="960.4457" Error="0.00982"/>
<QuasiParabolic ID="11" StartDistance="6556.0" EndDistance="6558.0" A="1.7782102E13" B="-5.4248509E9" C="413744.84" Error="0.0"/>
<QuasiParabolic ID="12" StartDistance="6558.0" EndDistance="6559.0" A="1.4778605E13" B="-4.5088712E9" C="343908.03" Error="0.0"/>
<QuasiParabolic ID="13" StartDistance="6559.0" EndDistance="6561.0" A="8.9915413E12" B="-2.74425344E9" C="209389.23" Error="0.0057"/>
<QuasiParabolic ID="14" StartDistance="6561.0" EndDistance="6566.0" A="2.25855029E13" B="-6.8881224E9" C="525184.75" Error="0.01"/>
<QuasiParabolic ID="15" StartDistance="6566.0" EndDistance="6574.0" A="4.6837549E13" B="-1.42752819E10" C="1087716.0" Error="0.00733"/>
<QuasiParabolic ID="16" StartDistance="6574.0" EndDistance="6580.0" A="4.3968444E13" B="-1.34024182E10" C="1021328.4" Error="0.00562"/>
<QuasiParabolic ID="17" StartDistance="6580.0" EndDistance="6587.0" A="-2.38856511E13" B="7.2219274E9" C="-545871.1" Error="0.00491"/>
<QuasiParabolic ID="18" StartDistance="6587.0" EndDistance="6593.196" A="-1.06658928E14" B="3.23542405E10" C="-2453591.8" Error="0.00186"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="77.0" Depth="0.154"/>
<TopsideChapman PeakHeight="223.196" PeakDensity="203504.97" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
