<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-29 -088 01:00:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 40% PACIFIC flags: F2x cusp not found, Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, 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" >
2026.03.29 (088) 01:00:00</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">
FF202608803290100001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="8.350" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.619" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="30.219" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="5.225" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="5.225" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="8.600" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="272.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="272.500" 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="7.925" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="277.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="5.375" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="5.375" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="278.003" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="263.781" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.632" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="21.875" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="4.095" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.340" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.340" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="126">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55 5.575 5.6 5.625 5.65 5.675 5.7 5.725 5.75 5.775 5.8 5.825 5.85 5.875 5.9 5.925 5.95 5.975 6.0 6.025 6.05 6.075 6.1 6.125 6.15 6.175 6.2 6.225 6.25 6.275 6.3 6.325 6.35 6.375 6.4 6.425 6.45 6.475 6.5 6.525 6.55 6.575 6.6 6.625 6.65 6.675 6.7 6.725 6.75 6.775 6.8 6.825 6.85 6.875 6.9 6.925 6.95 6.975 7.0 7.025 7.05 7.075 7.1 7.125 7.15 7.175 7.2 7.225 7.25 7.275 7.3 7.325 7.35 7.375 7.4 7.425 7.45 7.475 7.5 7.525 7.55 7.575 7.6 7.625 7.65 7.675 7.7 7.725 7.75 7.775 7.8 7.825 7.85 7.875 7.9 7.925 7.95 7.975 8.0 8.025 8.05 8.075 8.1 8.125 8.15 8.175 8.2 8.225 8.25 8.275 8.3 8.325 8.35
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
305.000 303.333 301.667 300.000 290.833 281.667 272.500 292.500 293.750 295.000 305.000 315.000 317.500 312.500 306.250 300.000 300.000 300.000 300.000 300.000 300.000 296.667 293.333 290.000 291.250 292.500 293.750 295.000 295.625 296.250 296.875 297.500 298.125 298.750 299.375 300.000 300.625 301.250 301.875 302.500 303.125 303.750 304.375 305.000 302.500 300.000 297.500 300.000 302.500 301.944 301.389 300.833 300.278 299.722 299.167 298.611 298.056 297.500 296.944 296.389 295.833 295.278 294.722 294.167 293.611 293.056 292.500 292.500 292.500 292.500 297.500 297.500 292.500 293.333 294.167 295.000 295.833 296.667 297.500 292.500 292.500 292.500 292.500 292.500 292.500 294.167 295.833 297.500 299.167 300.833 302.500 302.500 292.500 292.500 292.500 292.500 292.500 315.000 311.250 307.500 305.000 297.500 296.667 295.833 295.000 287.500 282.500 280.000 277.500 295.000 294.375 293.750 293.125 292.500 295.000 295.701 296.484 297.364 298.361 299.500 300.813 302.343 304.149 306.313 308.954 312.249
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 99 0 0 0 0 84 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 96 99 0 0 0 0 0 0 0 96 0 0 0 0 60 0 0 0 57 60 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 1.5625 -7.8125 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 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="380">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.976 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 181.952 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 217.928 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 278.003 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0
</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 0.35362422 0.35321164 0.35250095 0.35171908 0.35071898 0.3495047 0.3480812 0.34652662 0.3447022 0.34275916 0.34056342 0.33819553 0.3355976 0.3327837 0.32976884 0.3265056 0.32301557 0.3193215 0.31533054 0.31107885 0.30655 0.30178958 0.2966703 0.29124203 0.28558394 0.27944097 0.2729631 0.26608717 0.25882664 0.25104246 0.24271815 0.23383243 0.2243501 0.21422008 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 0.2 0.2 0.2 0.2 0.2 0.20020548 0.2044861 0.20876673 0.21304737 0.217328 0.22160862 0.22588927 0.23016989 0.23445052 0.23873116 0.24301179 0.24729241 0.25157306 0.25585368 0.2601343 0.26441494 0.26869556 0.27297622 0.27725685 0.28153747 0.2858181 0.29009873 0.29437935 0.29866 0.30294064 0.30722126 0.3115019 0.31578252 0.32006314 0.32434377 0.32862443 0.33290505 0.33718568 0.3414663 0.34574693 0.35002756 0.354 0.36010048 0.42329878 0.47594306 0.52729154 0.5799763 0.63545555 0.69482785 0.7590434 0.828975 0.9054207 0.98904103 1.0802864 1.1793165 1.2859697 1.3996058 1.519421 1.6443362 1.7732599 1.905199 2.0392854 2.174843 2.3113995 2.4485984 2.5861921 2.7240517 2.8621337 3.0003855 3.1388683 3.2776232 3.4167078 3.5562131 3.6962173 3.8368547 3.9781833 4.120373 4.263488 4.4076843 4.553079 4.699803 4.847986 4.9978223 5.149431 5.302974 5.458636 5.616625 5.7771173 5.9403567 6.1065493 6.275999 6.448917 6.625635 6.8063965 6.9914804 7.1809673 7.3747954 7.5723777 7.771838 7.968499 8.150913 8.292937 8.349993 8.35 8.342906 8.32212 8.288526 8.243012 8.186463 8.119751 8.04373 7.959231 7.8670573 7.767982 7.662744 7.5520477 7.4365606 7.3169136 7.193699 7.0674725 6.9387536 6.8080254 6.675736 6.5422997 6.408098 6.273482 6.138772 6.0042605 5.870214 5.736873 5.604455 5.4731545 5.343146 5.2145844 5.087606 4.9623322 4.838867 4.7173014 4.597713 4.4801664 4.3647165 4.2514076 4.1402745 4.031343 3.9246328 3.8201551 3.7179158 3.6179144 3.5201461 3.4246008 3.3312647 3.2401202 3.1511464 3.0643198 2.9796145 2.8970017 2.8164518 2.7379327 2.661411 2.5868528 2.5142229 2.4434848 2.374602 2.3075378 2.2422545 2.1787143 2.11688 2.0567138 1.9981779 1.9412351 1.8858483 1.8319806 1.7795956 1.7286574 1.6791302 1.6309791 1.5841694 1.5386672 1.4944389 1.4514518 1.4096735 1.3690724 1.3296176 1.2912786 1.2540257 1.2178297 1.1826622 1.1484953 1.115302 1.0830554 1.0517298 1.0212997 0.9917405 0.96302813 0.93513894 0.9080501 0.88173926 0.8561846 0.8313649 0.8072596 0.78384846 0.761112 0.7390311 0.7175871 0.696762 0.67653835 0.65689886 0.6378269 0.6193064 0.6013215 0.583857 0.5668979 0.5504298 0.53443867 0.51891065 0.5038326 0.48919147 0.4749748 0.46117032 0.44776618 0.43475083 0.42211306 0.40984198 0.39792702 0.38635787 0.3751246 0.36421743 0.35362697 0.34334406 0.3333598 0.32366556 0.3142529 0.30511373 0.29624006 0.28762427 0.27925882 0.2711365 0.2632502 0.25559315 0.24815868 0.2409403 0.23393176 0.22712699 0.22052005 0.2141052 0.20787686 0.20182964 0.19595826 0.19025761 0.18472274 0.17934883 0.1741312 0.16906531 0.16414677 0.15937127 0.15473467 0.15023294 0.14586215 0.14161848 0.13749826 0.13349788 0.12961388 0.12584284 0.12218151 0.11862669 0.115175284 0.111824274 0.108570755 0.10541189 0.10234491 0.09936716 0.09647604 0.09366903 0.09094368 0.08829762 0.08572855 0.08323421 0.080812454 0.07846115 0.07617825 0.07396177 0.07180978 0.0697204 0.06769182 0.06572225 0.06380998 0.061953355 0.060150746 0.058400586 0.056701347 0.055051547 0.053449746 0.051894553 0.05038461

</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="8.35" PeakHeight="278.003" Num="5" zHalfNm="263.781" Error="2.123">
-52.685 -14.419 10.439 -5.131 1.721
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" 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="6515.976" A="-1.17463081E11" B="3.6254036E7" C="-2797.2542" Error="0.00185"/>
<QuasiParabolic ID="2" StartDistance="6515.976" EndDistance="6551.952" A="0.0" B="5408.661" C="-0.79001987" Error="0.113"/>
<QuasiParabolic ID="3" StartDistance="6551.952" EndDistance="6580.0" A="-5.8210525E10" B="1.7628802E7" C="-1334.5817" Error="0.113"/>
<QuasiParabolic ID="4" StartDistance="6580.0" EndDistance="6588.0" A="9.6270982E11" B="-2.92681312E8" C="22245.215" Error="0.122"/>
<QuasiParabolic ID="5" StartDistance="6588.0" EndDistance="6596.0" A="1.36622983E13" B="-4.14805146E9" C="314850.72" Error="0.139"/>
<QuasiParabolic ID="6" StartDistance="6596.0" EndDistance="6598.0" A="1.65582618E13" B="-5.0261478E9" C="381413.53" Error="0.00146"/>
<QuasiParabolic ID="7" StartDistance="6598.0" EndDistance="6632.0" A="4.1974673E13" B="-1.27304253E10" C="965247.8" Error="0.0289"/>
<QuasiParabolic ID="8" StartDistance="6632.0" EndDistance="6646.0" A="1.16415642E14" B="-3.517945E10" C="2657725.8" Error="0.00618"/>
<QuasiParabolic ID="9" StartDistance="6646.0" EndDistance="6648.003" A="-1.61196391E15" B="4.84946805E11" C="-3.6473048E7" Error="0.00173"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="107.928" Depth="0.154"/>
<TopsideChapman PeakHeight="278.003" PeakDensity="865043.44" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
