<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-05 -125 22:35:00.000"
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: 45% PACIFIC flags: F2x cusp not found, Multiple candidates for F2x cusp, F2 cusps do not match</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.05 (125) 22:35:00</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">
FF202612505052235001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="23" >
<URSI ID="00" Val="3.375" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.533" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.925" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.300" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.300" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="305.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="305.000" 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="3.300" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="305.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.300" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.300" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="266.388" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="243.713" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.766" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="32.522" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.038" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="17.077" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="32.590" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.080" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="4">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.3 3.325 3.35 3.375
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
305.000 315.702 332.500 362.679
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
90 0 99 102
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-1.5625 1.5625 -1.5625 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="435">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.88167 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 175.76334 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 208.645 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 266.388 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0
</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 0.35354906 0.35298675 0.3522771 0.35127333 0.35005456 0.34862584 0.3469204 0.34501934 0.34285963 0.3405228 0.33788115 0.33501986 0.33182237 0.3284431 0.3247742 0.32084456 0.31656662 0.31198478 0.3070909 0.301888 0.29636574 0.29038996 0.28399026 0.27722347 0.26994607 0.26219326 0.25390285 0.24503309 0.23548995 0.22516182 0.21410438 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 0.20110843 0.20579188 0.21047534 0.2151588 0.21984227 0.22452572 0.22920918 0.23389265 0.2385761 0.24325956 0.24794303 0.25262648 0.25730994 0.2619934 0.26667687 0.27136034 0.2760438 0.28072727 0.2854107 0.29009417 0.29477763 0.2994611 0.30414456 0.30882803 0.3135115 0.31819496 0.3228784 0.32756186 0.33224532 0.33692878 0.34161225 0.3462957 0.35097918 0.354 0.3638359 0.3927766 0.42354944 0.45619458 0.4907445 0.527229 0.5656745 0.606098 0.6485171 0.6929385 0.7393884 0.78784895 0.8383299 0.890816 0.94528633 1.0017138 1.0600717 1.1203151 1.1823795 1.2461982 1.3117082 1.3788149 1.4474094 1.5173823 1.5886273 1.6609697 1.7342926 1.8084219 1.8831819 1.9583919 2.0338523 2.1093554 2.1846924 2.2596495 2.3339968 2.407502 2.4799285 2.5510442 2.620608 2.6883972 2.7541595 2.8176777 2.87872 2.9370823 2.9925437 3.0449026 3.093967 3.1395679 3.18152 3.219687 3.2539177 3.2840922 3.3100872 3.3318145 3.3491952 3.3621576 3.370656 3.3746603 3.375 3.37458 3.3721213 3.3675375 3.3609133 3.352334 3.3418856 3.329653 3.315721 3.300174 3.283095 3.2645657 3.244667 3.2234776 3.2010748 3.1775343 3.1529293 3.127332 3.1008112 3.0734346 3.0452676 3.0163727 2.986811 2.956641 2.9259188 2.8946989 2.8630328 2.8309703 2.7985592 2.7658446 2.7328699 2.6996765 2.6663036 2.632789 2.5991676 2.5654733 2.531738 2.497992 2.4642634 2.4305792 2.3969646 2.3634434 2.330038 2.2967694 2.2636569 2.2307189 2.1979725 2.1654336 2.133117 2.101036 2.0692039 2.0376318 2.0063307 1.9753103 1.9445796 1.9141467 1.8840191 1.8542035 1.8247057 1.7955313 1.7666847 1.7381703 1.7099913 1.6821511 1.6546521 1.6274964 1.6006855 1.5742208 1.5481031 1.5223328 1.4969101 1.4718349 1.4471065 1.4227242 1.3986871 1.3749939 1.351643 1.3286327 1.3059613 1.2836263 1.2616259 1.2399575 1.2186184 1.1976061 1.1769178 1.1565506 1.1365014 1.1167673 1.0973449 1.078231 1.0594223 1.0409155 1.0227071 1.0047938 0.9871718 0.96983784 0.95278823 0.93601936 0.9195277 0.90330964 0.88736147 0.87167966 0.85626054 0.8411005 0.82619596 0.8115432 0.7971388 0.782979 0.7690604 0.7553793 0.7419323 0.7287158 0.7157264 0.70296055 0.6904149 0.6780861 0.6659707 0.65406543 0.64236695 0.63087195 0.6195773 0.60847974 0.5975761 0.5868632 0.5763381 0.5659976 0.55583876 0.54585856 0.5360541 0.5264224 0.5169606 0.507666 0.49853563 0.48956683 0.48075688 0.4721031 0.4636028 0.45525348 0.44705248 0.4389973 0.43108544 0.42331448 0.41568196 0.40818554 0.40082285 0.3935916 0.3864895 0.37951434 0.3726639 0.36593598 0.35932848 0.35283932 0.3464664 0.3402077 0.3340612 0.32802498 0.32209706 0.31627557 0.31055862 0.30494437 0.299431 0.29401675 0.28869984 0.2834786 0.27835128 0.27331623 0.26837185 0.2635165 0.25874856 0.25406656 0.24946892 0.24495415 0.24052079 0.23616736 0.23189244 0.22769465 0.22357258 0.2195249 0.21555029 0.21164742 0.20781502 0.20405182 0.20035659 0.1967281 0.19316517 0.1896666 0.18623126 0.182858 0.17954572 0.17629331 0.1730997 0.16996384 0.16688468 0.16386119 0.1608924 0.1579773 0.15511495 0.15230437 0.14954464 0.14683484 0.14417408 0.14156148 0.13899615 0.13647726 0.13400397 0.13157544 0.12919086 0.12684947 0.12455047 0.12229309 0.12007659 0.11790022 0.11576326 0.11366501 0.11160475 0.109581806 0.1075955 0.10564518 0.10373019 0.10184988 0.10000363 0.09819083 0.09641087 0.09466316 0.09294711 0.091262154 0.08960772 0.08798327 0.08638826 0.08482214 0.08328441 0.08177453 0.08029202 0.07883638 0.077407114 0.07600375 0.07462583 0.07327287 0.07194443 0.07064007 0.069359355 0.068101846 0.06686713 0.0656548 0.064464435 0.063295655 0.062148053 0.061021257 0.059914887 0.05882857 0.057761945 0.056714654 0.055686347 0.05467668 0.05368532 0.05271193 0.051756185 0.05081777

</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="3.375" PeakHeight="266.388" Num="5" zHalfNm="243.713" Error="0.133">
-57.81 0.123 -0.079 0.044 -0.021
</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="6512.882" A="-1.40491948E11" B="4.3361712E7" C="-3345.6858" Error="0.00171"/>
<QuasiParabolic ID="2" StartDistance="6512.882" EndDistance="6545.763" A="0.0" B="-1654.4233" C="0.29405448" Error="0.0327"/>
<QuasiParabolic ID="3" StartDistance="6545.763" EndDistance="6577.0" A="5.8479935E10" B="-1.7931896E7" C="1374.653" Error="0.0327"/>
<QuasiParabolic ID="4" StartDistance="6577.0" EndDistance="6586.0" A="5.0507809E12" B="-1.5360407E9" C="116785.086" Error="0.0281"/>
<QuasiParabolic ID="5" StartDistance="6586.0" EndDistance="6588.0" A="2.32321948E12" B="-7.0775002E8" C="53902.402" Error="3.52E-4"/>
<QuasiParabolic ID="6" StartDistance="6588.0" EndDistance="6619.0" A="1.05287044E13" B="-3.19878989E9" C="242961.28" Error="0.0304"/>
<QuasiParabolic ID="7" StartDistance="6619.0" EndDistance="6630.0" A="-1.80543962E13" B="5.4378926E9" C="-409454.66" Error="0.00504"/>
<QuasiParabolic ID="8" StartDistance="6630.0" EndDistance="6636.388" A="-2.88621299E13" B="8.6981448E9" C="-655325.9" Error="2.78E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="98.645" Depth="0.154"/>
<TopsideChapman PeakHeight="266.388" PeakDensity="141322.89" PeakScaleHeight="17.077" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
