<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-07 -127 01:50:00.000"
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" >
2026.05.07 (127) 01:50:00</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">
FF202612705070150001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.725" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.685" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.727" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.950" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.950" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.050" 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="3.600" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="278.022" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="246.041" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="228.475" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.254" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="25.238" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.984" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.349" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="24.920" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.210" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="32">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.625 3.65 3.675 3.7 3.725
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
240.000 240.000 242.500 242.500 242.500 245.000 245.000 247.500 247.500 250.000 250.000 252.500 252.500 255.000 255.000 257.500 257.500 260.000 260.000 262.500 265.000 267.500 267.500 269.528 271.891 274.680 278.022 282.098 287.180 293.695 302.346 314.389
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 69 72 96 96 99 99 99 99 96 99 108 114 108 111 108 108 108 105 105 105 96 93 81 81 78 78 78 75 87 0 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 -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="362">
<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 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 246.041 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0
</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 0.38933748 0.42983332 0.4753621 0.5255303 0.57984257 0.637852 0.6992078 0.76369566 0.83121467 0.90175337 0.97536516 1.0521448 1.1322049 1.215653 1.3026086 1.3931489 1.4873146 1.5851212 1.6864728 1.7912049 1.8990543 2.0096097 2.1223445 2.2366207 2.3516512 2.4665928 2.580517 2.6924925 2.8015788 2.9068897 3.0076554 3.1032124 3.1929471 3.2764215 3.3532746 3.4232225 3.4860868 3.541732 3.590066 3.6310387 3.6646225 3.6908092 3.7096012 3.7209942 3.7249923 3.725 3.7231507 3.7174077 3.7079628 3.6950138 3.6787577 3.6593914 3.6371095 3.6121032 3.5845609 3.5546656 3.5225964 3.4885263 3.4526231 3.415048 3.3759558 3.3354957 3.2938097 3.251033 3.207295 3.162718 3.1174178 3.0715044 3.0250804 2.9782438 2.9310856 2.8836913 2.836141 2.7885096 2.7408664 2.6932762 2.645799 2.59849 2.5514004 2.5045774 2.458064 2.4118998 2.366121 2.3207603 2.275847 2.231408 2.1874678 2.1440475 2.1011658 2.0588398 2.017084 1.9759111 1.935332 1.8953557 1.8559896 1.81724 1.7791113 1.7416068 1.704729 1.6684787 1.6328561 1.5978606 1.5634902 1.5297426 1.4966147 1.4641027 1.4322022 1.4009082 1.3702155 1.3401182 1.3106099 1.2816844 1.2533345 1.2255534 1.1983335 1.1716673 1.145547 1.1199647 1.0949124 1.070382 1.0463651 1.0228537 0.99983925 0.97731346 0.9552679 0.93369424 0.9125842 0.89192927 0.87172127 0.8519519 0.832613 0.8136963 0.79519385 0.7770976 0.7593996 0.7420921 0.72516716 0.7086173 0.6924349 0.6766125 0.66114277 0.6460184 0.63123226 0.6167773 0.6026467 0.5888335 0.5753311 0.56213284 0.54923224 0.536623 0.5242988 0.5122535 0.5004811 0.48897573 0.47773144 0.46674263 0.45600367 0.44550908 0.4352535 0.42523167 0.41543838 0.4058686 0.39651734 0.38737977 0.37845108 0.3697267 0.36120194 0.35287243 0.34473374 0.33678162 0.32901183 0.32142025 0.31400293 0.3067559 0.2996753 0.29275733 0.28599837 0.2793948 0.27294308 0.26663977 0.26048148 0.25446492 0.24858686 0.24284415 0.2372337 0.23175247 0.22639754 0.22116601 0.21605507 0.21106195 0.20618396 0.20141844 0.19676284 0.19221464 0.18777137 0.18343063 0.17919004 0.17504734 0.17100026 0.16704659 0.16318421 0.15941101 0.15572496 0.152124 0.14860624 0.14516972 0.14181258 0.138533 0.13532917 0.13219938 0.12914191 0.1261551 0.12323729 0.12038692 0.11760243 0.11488229 0.11222503 0.1096292 0.107093364 0.10461616 0.10219622 0.09983222 0.09752288 0.09526694 0.09306315 0.09091032 0.08880728 0.08675286 0.08474595 0.08278545 0.080870286 0.078999415 0.07717181 0.07538647 0.073642425 0.071938716 0.07027441 0.0686486 0.067060396 0.065508924 0.063993335 0.06251281 0.061066523 0.059653696 0.058273546 0.056925327 0.05560829 0.05432172 0.053064916 0.051837184 0.05063785

</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="3.725" PeakHeight="246.041" Num="5" zHalfNm="228.475" Error="0.86">
-45.665 1.204 -0.918 0.626 -0.288
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="1240.8271" C="-0.15057051" Error="0.0215"/>
<QuasiParabolic ID="3" StartDistance="6540.667" EndDistance="6570.0" A="3.41172736E10" B="-1.0530887E7" C="812.603" Error="0.0215"/>
<QuasiParabolic ID="4" StartDistance="6570.0" EndDistance="6575.0" A="1.00513496E13" B="-3.0599168E9" C="232881.55" Error="0.021"/>
<QuasiParabolic ID="5" StartDistance="6575.0" EndDistance="6582.0" A="1.0608801E13" B="-3.22948378E9" C="245776.36" Error="0.0168"/>
<QuasiParabolic ID="6" StartDistance="6582.0" EndDistance="6592.0" A="2.51584651E13" B="-7.6505303E9" C="581620.06" Error="0.0187"/>
<QuasiParabolic ID="7" StartDistance="6592.0" EndDistance="6603.0" A="2.29172388E13" B="-6.9705462E9" C="530043.6" Error="0.0265"/>
<QuasiParabolic ID="8" StartDistance="6603.0" EndDistance="6616.041" A="-4.8713628E13" B="1.47259156E10" C="-1112880.9" Error="0.0099"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="91.0" Depth="0.154"/>
<TopsideChapman PeakHeight="246.041" PeakDensity="172154.16" PeakScaleHeight="13.349" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
