<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-03 -123 07:35:00.000"
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 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 95% PACIFIC flags: Multiple candidates for F2x cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.03 (123) 07:35:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202612305030735001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.725" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.962" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.758" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.100" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.100" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.175" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="202.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="202.500" 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="3.650" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="250.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.100" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.100" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="215.777" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="198.521" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.360" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="24.650" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.955" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.121" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="23.100" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.630" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="66">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.6 3.625 3.65 3.675 3.7 3.725
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
202.500 202.500 202.500 205.000 205.000 205.000 205.000 205.000 205.000 205.625 206.250 206.875 207.500 207.500 207.500 207.500 207.500 210.000 210.000 210.000 210.000 210.000 210.000 210.000 212.500 212.500 212.500 212.500 212.500 212.500 215.000 215.000 215.000 215.000 215.000 217.500 217.500 217.500 217.500 220.000 220.000 220.000 220.000 222.500 222.500 222.500 225.000 225.000 227.500 227.500 227.500 230.000 230.000 232.500 235.000 235.000 237.500 240.000 241.029 242.343 244.078 246.474 250.000 255.701 266.485 294.627
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 78 81 78 81 69 0 0 54 0 0 0 78 69 69 69 66 69 72 75 75 75 75 75 72 72 75 75 75 51 51 75 69 0 69 72 75 99 99 99 102 102 102 102 102 102 99 102 96 99 99 99 102 99 96 84 84 72 72 96 93 78 72 75 78 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 -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
</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" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 131.58333 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 153.16667 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 174.75 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 215.777 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0
</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 0.35378125 0.3531261 0.35197777 0.35040918 0.3483742 0.34589443 0.34293804 0.3394836 0.33552164 0.3310028 0.32600388 0.32038844 0.31416655 0.30732158 0.2998168 0.29156289 0.28250316 0.2724882 0.26154712 0.24950138 0.23614414 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.226 0.23094209 0.23687258 0.24280308 0.2487336 0.2546641 0.2605946 0.2665251 0.2724556 0.2783861 0.2843166 0.2902471 0.2961776 0.3021081 0.30803862 0.3139691 0.31989962 0.3258301 0.33176062 0.33769113 0.3436216 0.34955212 0.354 0.36647356 0.4157604 0.46547273 0.5167883 0.5704902 0.62722814 0.6876015 0.7521745 0.8215212 0.89621705 0.9768794 1.0640581 1.1582565 1.2599299 1.3692737 1.4862405 1.6104149 1.7409954 1.8766207 2.0156384 2.156094 2.2959971 2.4334114 2.5666773 2.6945002 2.815875 2.9300706 3.0366902 3.1354795 3.2263145 3.3091955 3.3842149 3.45144 3.5110142 3.5630348 3.6076484 3.6449583 3.675062 3.6980498 3.7139757 3.722894 3.725 3.7248952 3.7219014 3.714931 3.7041907 3.689889 3.6722333 3.65143 3.6276827 3.601192 3.572154 3.5407603 3.507196 3.4716408 3.4342687 3.395246 3.3547328 3.3128822 3.26984 3.2257454 3.1807299 3.1349185 3.088429 3.041373 2.9938552 2.9459736 2.8978207 2.849482 2.8010383 2.752564 2.7041285 2.655796 2.6076262 2.5596733 2.5119882 2.4646168 2.4176013 2.37098 2.3247879 2.2790565 2.2338145 2.189087 2.1448967 2.1012638 2.058206 2.0157387 1.973875 1.9326264 1.8920023 1.8520105 1.8126571 1.773947 1.7358835 1.6984687 1.6617036 1.6255882 1.5901214 1.5553012 1.5211248 1.487589 1.4546895 1.4224213 1.3907795 1.3597579 1.3293505 1.2995504 1.2703507 1.241744 1.2137228 1.1862792 1.1594051 1.1330922 1.1073322 1.0821165 1.0574366 1.0332837 1.0096492 0.98652405 0.9638996 0.94176704 0.92011756 0.8989423 0.87823254 0.85797954 0.8381747 0.81880933 0.799875 0.7813632 0.76326555 0.7455738 0.7282798 0.7113754 0.69485265 0.6787037 0.6629208 0.64749616 0.63242245 0.61769205 0.6032978 0.5892325 0.57548904 0.5620605 0.54893994 0.53612083 0.5235965 0.5113606 0.49940658 0.48772836 0.4763198 0.46517488 0.45428777 0.4436527 0.433264 0.42311618 0.4132038 0.40352157 0.39406425 0.38482678 0.3758042 0.36699158 0.35838413 0.34997725 0.3417663 0.3337468 0.32591438 0.31826475 0.31079373 0.3034972 0.29637113 0.28941163 0.28261486 0.27597702 0.26949447 0.26316363 0.25698096 0.25094303 0.24504653 0.23928814 0.23366465 0.22817296 0.22280997 0.21757272 0.21245827 0.20746376 0.2025864 0.19782346 0.19317228 0.18863024 0.18419479 0.17986345 0.1756338 0.17150345 0.1674701 0.16353145 0.15968531 0.1559295 0.15226193 0.14868051 0.14518324 0.14176813 0.13843328 0.1351768 0.13199684 0.12889163 0.1258594 0.12289845 0.120007105 0.11718373 0.11442673 0.111734554 0.10910568 0.106538616 0.10403191 0.10158416 0.09919397 0.096859984 0.094580896 0.0923554 0.09018226 0.08806022 0.085988104 0.08396472 0.08198893 0.080059625 0.078175694 0.076336086 0.07453976 0.07278568 0.07107288 0.06940036 0.067767195 0.06617246 0.064615235 0.06309465 0.061609846 0.060159974 0.058744214 0.05736177 0.056011852 0.054693695 0.053406555 0.052149702 0.050922424

</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="3.725" PeakHeight="215.777" Num="5" zHalfNm="198.521" Error="0.316">
-43.164 3.6 -2.369 0.952 -0.046
</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="6501.583" A="-2.82569605E11" B="8.721284E7" C="-6729.2603" Error="0.0016"/>
<QuasiParabolic ID="2" StartDistance="6501.583" EndDistance="6523.167" A="0.0" B="-5565.4697" C="0.9071752" Error="0.0571"/>
<QuasiParabolic ID="3" StartDistance="6523.167" EndDistance="6536.0" A="2.89746911E11" B="-8.8870048E7" C="6814.522" Error="0.0587"/>
<QuasiParabolic ID="4" StartDistance="6536.0" EndDistance="6543.0" A="-3.38679333E11" B="1.03426848E8" C="-7896.0728" Error="0.00994"/>
<QuasiParabolic ID="5" StartDistance="6543.0" EndDistance="6549.0" A="9.9255677E12" B="-3.03404749E9" C="231862.0" Error="0.0544"/>
<QuasiParabolic ID="6" StartDistance="6549.0" EndDistance="6553.0" A="9.6544175E12" B="-2.9512407E9" C="225539.92" Error="0.0126"/>
<QuasiParabolic ID="7" StartDistance="6553.0" EndDistance="6558.0" A="2.83283166E13" B="-8.6505841E9" C="660405.1" Error="0.0111"/>
<QuasiParabolic ID="8" StartDistance="6558.0" EndDistance="6570.0" A="3.9523237E13" B="-1.20647107E10" C="920707.5" Error="0.0401"/>
<QuasiParabolic ID="9" StartDistance="6570.0" EndDistance="6585.777" A="-4.5640751E13" B="1.38603991E10" C="-1052284.1" Error="0.0153"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="64.75" Depth="0.128"/>
<TopsideChapman PeakHeight="215.777" PeakDensity="172154.16" PeakScaleHeight="13.121" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
