<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-25 -084 08:25:00.000"
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="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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 50% PACIFIC flags: F2o cusp not found, One of F2 cusps was derived from the other, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.25 (084) 08:25:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608403250825001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.150" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.761" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.846" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.475" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.475" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.450" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="255.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="255.000" 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="3.075" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="273.061" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.360" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.650" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.650" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="245.618" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="229.889" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.960" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="22.552" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.631" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.595" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="23.750" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.730" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="28">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
262.500 265.000 265.000 263.000 261.000 259.000 257.000 255.000 255.000 256.250 257.500 258.750 260.000 260.385 260.818 261.309 261.870 262.517 263.272 264.163 265.233 266.539 268.171 270.268 273.061 276.967 282.813 292.527
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
57 54 51 0 0 0 0 45 54 0 0 0 33 0 0 0 0 0 0 0 0 0 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 -3.125 -3.125 -3.125 -3.125 9.375 -3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="329">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.368 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 141.092 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 172.184 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 203.276 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 245.618 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.2158252 0.23794772 0.2570072 0.27355874 0.28801486 0.30068606 0.31179476 0.32150996 0.32995784 0.3372355 0.3434192 0.3485673 0.35272476 0.35592544 0.3581945 0.3595495 0.36 0.3598828 0.35953152 0.3588694 0.3579773 0.35685882 0.35544187 0.35373414 0.35181996 0.3496331 0.34711242 0.34434688 0.34128094 0.33793515 0.33433187 0.33036357 0.3260669 0.32141945 0.3164097 0.31103826 0.30529115 0.29909605 0.29246706 0.28537852 0.27774948 0.2695873 0.26078695 0.25137803 0.24116766 0.2301119 0.2181436 0.20513833 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 0.2 0.20419915 0.20934516 0.21449119 0.2196372 0.22478323 0.22992924 0.23507527 0.24022128 0.2453673 0.25051332 0.25565934 0.26080534 0.26595137 0.2710974 0.27624342 0.28138942 0.28653544 0.29168147 0.29682747 0.3019735 0.30711952 0.31226555 0.31741154 0.32255757 0.3277036 0.33284962 0.33799562 0.34314165 0.34828767 0.35343367 0.3585797 0.36 0.38870952 0.42920023 0.4716349 0.51675385 0.5651207 0.617135 0.67309797 0.7331157 0.79715556 0.86499155 0.936276 1.0105218 1.0872395 1.1659118 1.2460794 1.3273511 1.4094087 1.4919815 1.5748875 1.6579502 1.7410834 1.8241745 1.90716 1.9899578 2.072497 2.1546874 2.2364404 2.317626 2.3980742 2.4775853 2.5558915 2.632657 2.7074134 2.7796338 2.8485913 2.913439 2.9731207 3.0263982 3.071874 3.108114 3.1337252 3.147604 3.15 3.1496685 3.1457393 3.1375804 3.1254458 3.1095903 3.0902674 3.0677276 3.0422168 3.0139747 2.9832344 2.9502213 2.9151518 2.878234 2.839666 2.7996364 2.7583244 2.715899 2.67252 2.6283367 2.5834897 2.5381103 2.4923205 2.446234 2.3999557 2.353583 2.3072054 2.2609053 2.214758 2.1688318 2.12319 2.0778887 2.0329797 1.9885089 1.9445176 1.9010426 1.8581164 1.8157675 1.7740211 1.7328988 1.6924189 1.6525973 1.6134467 1.5749776 1.5371982 1.5001148 1.4637315 1.4280509 1.3930738 1.3587999 1.3252274 1.2923532 1.2601733 1.2286829 1.1978759 1.1677458 1.1382855 1.1094869 1.0813416 1.0538409 1.0269755 1.0007356 0.9751116 0.95009315 0.92567 0.9018317 0.8785676 0.8558669 0.8337189 0.81211287 0.7910379 0.7704833 0.7504382 0.730892 0.71183395 0.6932536 0.6751404 0.65748405 0.6402743 0.623501 0.60715425 0.59122413 0.575701 0.5605753 0.5458377 0.5314789 0.51748985 0.50386167 0.4905856 0.47765312 0.46505576 0.45278534 0.44083375 0.42919314 0.4178557 0.4068139 0.39606032 0.38558775 0.37538904 0.3654573 0.35578576 0.3463678 0.33719695 0.3282669 0.31957147 0.31110466 0.3028606 0.2948335 0.28701785 0.27940813 0.271999 0.2647853 0.25776193 0.25092396 0.24426655 0.23778501 0.23147476 0.2253313 0.2193503 0.2135275 0.20785876 0.20234002 0.1969674 0.19173701 0.18664515 0.18168817 0.17686254 0.17216477 0.16759151 0.16313949 0.15880552 0.15458646 0.1504793 0.1464811 0.14258894 0.13880005 0.13511172 0.13152125 0.12802608 0.12462369 0.12131161 0.11808747 0.11494893 0.11189372 0.10891964 0.10602455 0.103206344 0.100462995 0.09779251 0.09519296 0.092662476 0.09019921 0.08780139 0.08546727 0.08319518 0.08098345 0.078830495 0.07673475 0.0746947 0.07270887 0.07077581 0.06889412 0.067062445 0.06527945 0.06354384 0.061854374 0.060209807 0.058608953 0.057050657 0.055533778 0.054057226 0.05261992 0.051220823

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.36" PeakHeight="110.0" Num="3" Error="0.0">
-19.004 2.523 -0.151
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.36" EndFrequency="3.15" PeakHeight="245.618" Num="5" zHalfNm="229.889" Error="0.672">
-40.319 -3.516 2.318 -1.168 0.343
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.017" EndDistance="6480.001" A="-5.6871984E11" B="1.755308E8" C="-13543.914" Error="0.00212"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6511.092" A="-1.64982489E11" B="5.092052E7" C="-3928.9229" Error="0.00158"/>
<QuasiParabolic ID="2" StartDistance="6511.092" EndDistance="6542.184" A="0.0" B="-317.65164" C="0.08879253" Error="0.00595"/>
<QuasiParabolic ID="3" StartDistance="6542.184" EndDistance="6572.0" A="4.8767771E10" B="-1.49947E7" C="1152.6132" Error="0.0125"/>
<QuasiParabolic ID="4" StartDistance="6572.0" EndDistance="6576.0" A="9.4682638E12" B="-2.88154854E9" C="219241.0" Error="0.0262"/>
<QuasiParabolic ID="5" StartDistance="6576.0" EndDistance="6583.0" A="8.6047667E12" B="-2.61892787E9" C="199272.89" Error="0.0339"/>
<QuasiParabolic ID="6" StartDistance="6583.0" EndDistance="6587.0" A="2.05950477E13" B="-6.2617293E9" C="475955.34" Error="0.0089"/>
<QuasiParabolic ID="7" StartDistance="6587.0" EndDistance="6609.0" A="1.09392733E13" B="-3.3299625E9" C="253413.47" Error="0.0286"/>
<QuasiParabolic ID="8" StartDistance="6609.0" EndDistance="6615.618" A="-6.4563957E13" B="1.95186483E10" C="-1475184.6" Error="0.00529"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="93.276" Depth="0.16"/>
<TopsideChapman PeakHeight="245.618" PeakDensity="123107.94" PeakScaleHeight="11.595" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
