<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-06 -096 07:45:00.000"
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: 95% PACIFIC flags: Multiple candidates for F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.04.06 (096) 07:45:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202609604060745001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.575" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.980" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.228" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.900" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="195.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="195.000" 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="3.400" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="235.054" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="212.843" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="191.383" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.736" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="30.411" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.094" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.701" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="24.810" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.220" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="64">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 2.025 2.05 2.075 2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 2.425 2.45 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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
195.000 195.625 196.250 196.875 197.500 197.500 197.500 197.500 197.500 197.500 198.125 198.750 199.375 200.000 200.000 200.000 200.000 200.000 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 205.000 205.000 205.000 205.000 207.500 207.500 207.500 207.500 210.000 210.000 210.000 210.000 210.000 212.500 212.500 212.500 215.000 215.000 217.500 217.500 220.000 220.000 221.118 222.373 223.794 225.413 227.278 229.446 232.001 235.054 238.767 243.381 249.269 257.042 267.779 283.573 309.100
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
75 0 0 0 60 0 78 66 66 51 0 0 0 51 51 60 63 78 75 69 69 69 69 72 69 69 69 66 66 66 66 60 63 39 42 51 0 0 60 66 66 81 81 93 93 90 93 93 96 96 93 90 90 66 69 102 96 81 81 81 75 69 72 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
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 4.6875 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="379">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 129.83333 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 149.66667 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 169.5 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 212.843 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0
</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 0.3537671 0.3530699 0.35196686 0.350317 0.34826866 0.34567383 0.34266922 0.33910987 0.33506152 0.3305129 0.32531556 0.31961504 0.31321585 0.30624208 0.29847836 0.28995028 0.28065076 0.2704155 0.25907642 0.248 0.248 0.248 0.248 0.248 0.248 0.248 0.248 0.248 0.248 0.248 0.248 0.248 0.248 0.248 0.248 0.248 0.248 0.248 0.248 0.248 0.248 0.24978152 0.25512606 0.2604706 0.26581514 0.27115968 0.2765042 0.28184873 0.28719327 0.2925378 0.29788235 0.3032269 0.30857143 0.31391597 0.3192605 0.32460505 0.3299496 0.33529413 0.34063867 0.3459832 0.35132772 0.354 0.37491885 0.4193658 0.46643353 0.5155978 0.5667738 0.62012327 0.6760322 0.7349971 0.7976378 0.8647029 0.93715835 1.0161998 1.1033074 1.2004236 1.3099383 1.4348458 1.57819 1.7419299 1.9238216 2.1144469 2.2996902 2.4685614 2.6170297 2.7458973 2.857733 2.955184 3.0405865 3.1158037 3.182326 3.2412965 3.2936416 3.3401196 3.3812923 3.4176657 3.44961 3.4774485 3.5014434 3.5218034 3.5386968 3.552264 3.5626078 3.5698068 3.5739152 3.575 3.5749693 3.5733488 3.5693345 3.5630221 3.5545084 3.5438902 3.531264 3.5167265 3.500373 3.4822974 3.4625938 3.441353 3.4186654 3.3946187 3.3692987 3.342789 3.315171 3.2865236 3.2569234 3.2264442 3.1951575 3.1631322 3.1304345 3.0971282 3.0632741 3.0289311 2.9941552 2.9589999 2.923516 2.8877525 2.8517559 2.8155699 2.7792366 2.7427955 2.706284 2.6697378 2.6331904 2.5966733 2.5602162 2.523847 2.4875922 2.451476 2.4155216 2.3797505 2.3441825 2.3088362 2.2737293 2.2388773 2.2042952 2.1699965 2.135994 2.1022987 2.0689216 2.0358717 2.003158 1.970788 1.9387689 1.9071065 1.8758066 1.8448738 1.8143122 1.7841253 1.7543162 1.724887 1.6958399 1.667176 1.6388965 1.6110017 1.5834919 1.5563668 1.5296258 1.5032681 1.4772923 1.4516972 1.4264808 1.4016412 1.3771763 1.3530836 1.3293605 1.3060042 1.2830118 1.2603803 1.2381064 1.2161868 1.1946179 1.1733963 1.1525185 1.1319805 1.1117786 1.0919092 1.072368 1.0531514 1.0342551 1.0156754 0.99740803 0.979449 0.96179414 0.9444394 0.92738074 0.910614 0.89413506 0.8779399 0.8620243 0.84638435 0.8310158 0.8159148 0.80107725 0.7864991 0.7721765 0.7581054 0.74428195 0.7307023 0.7173625 0.7042589 0.69138765 0.678745 0.6663272 0.6541307 0.6421518 0.630387 0.6188327 0.6074854 0.5963418 0.58539826 0.5746516 0.5640984 0.5537355 0.5435595 0.5335673 0.5237558 0.51412183 0.5046624 0.49537438 0.48625493 0.47730103 0.46850988 0.4598786 0.45140436 0.44308448 0.4349162 0.42689687 0.41902384 0.41129458 0.4037065 0.39625707 0.3889439 0.38176453 0.37471658 0.36779767 0.36100554 0.35433793 0.34779257 0.34136724 0.33505988 0.3288683 0.3227904 0.3168242 0.31096762 0.30521873 0.2995755 0.29403612 0.28859866 0.28326127 0.27802214 0.27287948 0.26783156 0.26287663 0.25801298 0.253239 0.24855304 0.24395347 0.23943873 0.23500727 0.23065758 0.22638814 0.2221975 0.21808423 0.21404688 0.21008408 0.20619448 0.20237671 0.19862945 0.19495143 0.19134137 0.18779802 0.18432017 0.18090658 0.17755611 0.17426758 0.17103983 0.16787179 0.16476232 0.16171037 0.15871486 0.15577476 0.15288906 0.15005673 0.1472768 0.14454833 0.14187033 0.13924189 0.13666211 0.13413006 0.13164487 0.1292057 0.12681167 0.12446196 0.12215575 0.11989223 0.117670625 0.11549015 0.113350056 0.11124959 0.10918802 0.10716462 0.1051787 0.10322955 0.10131651 0.0994389 0.09759606 0.095787354 0.094012156 0.09226984 0.090559795 0.08888143 0.087234154 0.0856174 0.0840306 0.08247319 0.080944635 0.0794444 0.07797196 0.076526806 0.075108424 0.07371632 0.07235001 0.071009025 0.06969288 0.06840113 0.06713331 0.06588898 0.06466772 0.063469075 0.062292654 0.06113803 0.060004804 0.058892578 0.057800964 0.056729577 0.05567805 0.054646008 0.053633094 0.05263895 0.051663235 0.0507056

</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="3.575" PeakHeight="212.843" Num="5" zHalfNm="191.383" Error="0.656">
-50.257 11.876 -7.594 3.258 -0.626
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" 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="6499.833" A="-2.87429788E11" B="8.8712896E7" C="-6845.006" Error="0.00131"/>
<QuasiParabolic ID="2" StartDistance="6499.833" EndDistance="6519.667" A="0.0" B="2018.1077" C="-0.24890159" Error="0.014"/>
<QuasiParabolic ID="3" StartDistance="6519.667" EndDistance="6538.0" A="8.9165587E8" B="-406412.44" C="41.419872" Error="0.014"/>
<QuasiParabolic ID="4" StartDistance="6538.0" EndDistance="6541.0" A="9.9912704E12" B="-3.05650278E9" C="233759.4" Error="0.0392"/>
<QuasiParabolic ID="5" StartDistance="6541.0" EndDistance="6547.0" A="7.5667776E12" B="-2.3151808E9" C="177092.08" Error="0.0048"/>
<QuasiParabolic ID="6" StartDistance="6547.0" EndDistance="6552.0" A="1.77147562E13" B="-5.4152202E9" C="413844.75" Error="0.00496"/>
<QuasiParabolic ID="7" StartDistance="6552.0" EndDistance="6559.0" A="7.5220371E13" B="-2.29688279E10" C="1753405.8" Error="0.0376"/>
<QuasiParabolic ID="8" StartDistance="6559.0" EndDistance="6560.0" A="9.2442099E13" B="-2.82201539E10" C="2153720.2" Error="1.04E-10"/>
<QuasiParabolic ID="9" StartDistance="6560.0" EndDistance="6569.0" A="-5.4202894E13" B="1.64886856E10" C="-1253965.6" Error="0.00793"/>
<QuasiParabolic ID="10" StartDistance="6569.0" EndDistance="6582.843" A="-2.17829375E13" B="6.6180946E9" C="-502664.75" Error="0.00403"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="59.5" Depth="0.106"/>
<TopsideChapman PeakHeight="212.843" PeakDensity="158568.55" PeakScaleHeight="16.701" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
