<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-10 -130 01:05:00.000"
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: 90% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.10 (130) 01:05:00</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">
FF202613005100105001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.675" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.639" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="17.015" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.750" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.750" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.075" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="232.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="232.500" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.575" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="289.519" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.750" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.750" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="248.005" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="226.315" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.564" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="31.030" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.883" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.572" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.620" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.810" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="78">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 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 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575 4.6 4.625 4.65 4.675
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 235.000 235.000 235.000 235.000 237.500 237.500 237.500 237.500 237.500 240.000 240.000 240.000 240.000 240.000 240.000 242.500 241.250 240.000 240.000 242.500 242.500 242.500 242.500 242.500 242.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 250.000 250.000 250.000 250.000 250.000 252.500 255.000 255.000 257.500 257.500 257.500 257.500 260.000 260.000 260.000 262.500 265.000 265.000 265.000 265.000 270.000 275.000 275.000 276.250 277.500 280.000 282.500 284.193 286.429 289.519 294.068 301.429 315.373 351.880
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
45 48 48 0 0 0 0 78 81 72 75 90 90 105 105 96 90 102 99 120 111 108 111 117 120 117 108 111 114 102 102 90 93 93 90 111 105 84 90 93 84 78 78 99 102 78 78 99 93 69 66 63 57 69 72 96 99 102 108 105 105 99 93 96 99 99 102 69 72 60 66 93 93 111 102 111 99 81
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
1.5625 1.5625 1.5625 -10.9375 -10.9375 -10.9375 -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 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="427">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 138.58333 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 167.16667 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 195.75 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 248.005 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0
</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 0.3533988 0.35268724 0.35168076 0.35038465 0.34873247 0.34680796 0.3446216 0.34204412 0.33923516 0.3360058 0.33251932 0.32860458 0.3243659 0.31978112 0.314722 0.3093164 0.3034716 0.29713094 0.29034886 0.28298154 0.27503994 0.26650268 0.25724816 0.24721296 0.23637795 0.22454801 0.21165071 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 0.2044898 0.20987755 0.2152653 0.22065306 0.22604081 0.23142858 0.23681633 0.24220408 0.24759184 0.2529796 0.25836736 0.2637551 0.26914287 0.27453062 0.27991837 0.28530613 0.29069388 0.29608163 0.3014694 0.30685714 0.3122449 0.31763265 0.3230204 0.32840815 0.3337959 0.3391837 0.34457144 0.3499592 0.354 0.3622911 0.3983614 0.43904057 0.48410776 0.53322774 0.58606166 0.64233947 0.7019347 0.76481706 0.83104485 0.90078455 0.97424054 1.0516739 1.1334027 1.2197324 1.3110358 1.4076645 1.5099432 1.6181964 1.7326353 1.853363 1.9803315 2.1132228 2.2514048 2.3940408 2.5398376 2.6873925 2.8350923 2.9812493 3.1243508 3.2630517 3.3963053 3.5233045 3.6435072 3.7565942 3.8624263 3.9610221 4.0524263 4.136784 4.2142773 4.285098 4.3494473 4.407508 4.459475 4.5055094 4.5457616 4.5803823 4.6094766 4.633152 4.651489 4.664549 4.672376 4.674995 4.675 4.6733747 4.668551 4.6606565 4.6498203 4.636172 4.619841 4.600957 4.579647 4.5560384 4.530256 4.502422 4.4726567 4.4410787 4.407803 4.372941 4.3366027 4.298893 4.259915 4.2197676 4.178546 4.1363435 4.0932474 4.049344 4.0047145 3.9594376 3.9135878 3.867237 3.8204532 3.7733016 3.725844 3.678139 3.6302426 3.5822074 3.5340836 3.4859183 3.437756 3.3896387 3.341606 3.293695 3.2459402 3.1983745 3.1510282 3.1039298 3.0571058 3.0105805 2.964377 2.9185162 2.8730175 2.827899 2.7831771 2.7388668 2.694982 2.6515348 2.6085367 2.5659976 2.5239267 2.4823318 2.44122 2.4005976 2.3604696 2.3208404 2.2817142 2.2430935 2.2049806 2.1673775 2.130285 2.0937037 2.0576336 2.0220742 1.9870245 1.9524834 1.9184488 1.8849188 1.8518908 1.8193622 1.7873298 1.7557902 1.7247399 1.6941752 1.664092 1.634486 1.6053529 1.5766882 1.5484872 1.5207449 1.4934567 1.4666175 1.440222 1.4142653 1.3887419 1.3636464 1.3389738 1.3147184 1.2908748 1.2674378 1.2444016 1.2217607 1.19951 1.1776435 1.1561561 1.1350421 1.1142962 1.0939127 1.0738865 1.0542121 1.0348841 1.0158972 0.99724597 0.9789254 0.9609302 0.9432552 0.92589533 0.9088454 0.8921006 0.8756558 0.85950613 0.84364676 0.8280729 0.8127798 0.7977627 0.78301704 0.76853824 0.7543218 0.74036324 0.72665817 0.71320224 0.69999117 0.6870208 0.67428684 0.66178536 0.6495122 0.6374634 0.625635 0.61402327 0.60262424 0.5914343 0.58044964 0.56966674 0.559082 0.54869175 0.53849274 0.5284814 0.51865447 0.50900865 0.49954066 0.49024728 0.4811254 0.47217196 0.46338388 0.45475823 0.44629198 0.43798232 0.4298264 0.42182142 0.41396463 0.40625334 0.3986849 0.39125672 0.38396624 0.37681094 0.36978832 0.36289603 0.3561316 0.34949276 0.34297717 0.33658257 0.33030674 0.3241475 0.31810272 0.31217027 0.30634812 0.3006342 0.29502654 0.28952318 0.2841222 0.2788217 0.27361983 0.26851475 0.2635047 0.25858793 0.2537627 0.2490273 0.24438009 0.23981944 0.23534372 0.2309514 0.2266409 0.22241071 0.21825935 0.21418534 0.21018729 0.20626374 0.20241332 0.1986347 0.19492652 0.19128746 0.18771628 0.18421167 0.18077244 0.17739734 0.17408518 0.17083481 0.16764507 0.16451482 0.16144298 0.15842845 0.15547015 0.15256706 0.14971812 0.14692235 0.14417875 0.14148635 0.13884419 0.13625133 0.13370688 0.13120991 0.12875955 0.12635492 0.12399516 0.12167946 0.11940699 0.117176935 0.11498851 0.11284094 0.110733464 0.10866533 0.10663581 0.10464418 0.102689736 0.10077178 0.09888963 0.09704263 0.09523011 0.09345143 0.09170597 0.0899931 0.08831221 0.08666271 0.08504402 0.08345555 0.08189674 0.080367036 0.07886591 0.07739281 0.07594722 0.07452863 0.07313653 0.07177042 0.07042984 0.06911428 0.0678233 0.06655643 0.06531321 0.064093225 0.06289601 0.061721165 0.060568262 0.059436888 0.058326647 0.05723714 0.056167983 0.055118795 0.054089203 0.05307884 0.05208735 0.05111438 0.050159585

</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="4.675" PeakHeight="248.005" Num="5" zHalfNm="226.315" Error="0.617">
-55.966 6.209 -3.751 1.744 -0.491
</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="6508.583" A="-1.85709953E11" B="5.7317888E7" C="-4422.5513" Error="0.00149"/>
<QuasiParabolic ID="2" StartDistance="6508.583" EndDistance="6537.167" A="0.0" B="120.08404" C="0.021570053" Error="0.00151"/>
<QuasiParabolic ID="3" StartDistance="6537.167" EndDistance="6562.0" A="5.3396861E10" B="-1.6429227E7" C="1263.742" Error="0.0018"/>
<QuasiParabolic ID="4" StartDistance="6562.0" EndDistance="6564.0" A="-1.46753585E12" B="4.47128448E8" C="-34057.63" Error="0.00582"/>
<QuasiParabolic ID="5" StartDistance="6564.0" EndDistance="6576.0" A="8.9596363E12" B="-2.72995021E9" C="207950.19" Error="0.0352"/>
<QuasiParabolic ID="6" StartDistance="6576.0" EndDistance="6584.0" A="2.6684636E13" B="-8.1207654E9" C="617835.75" Error="0.0189"/>
<QuasiParabolic ID="7" StartDistance="6584.0" EndDistance="6597.0" A="4.7883802E13" B="-1.45603656E10" C="1106869.9" Error="0.0311"/>
<QuasiParabolic ID="8" StartDistance="6597.0" EndDistance="6618.005" A="-4.5232888E13" B="1.36696453E10" C="-1032739.94" Error="0.0129"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="85.75" Depth="0.154"/>
<TopsideChapman PeakHeight="248.005" PeakDensity="271161.6" PeakScaleHeight="16.572" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
