<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-06 -126 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: 95% PACIFIC flags: Multiple candidates for F2x cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.06 (126) 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">
FF202612605060105001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.400" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.565" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.121" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.950" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.950" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.775" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="265.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="265.000" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.275" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="293.373" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="262.566" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="245.309" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.564" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="24.762" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.812" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.086" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="24.690" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.130" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="19">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
265.000 267.500 267.500 270.000 272.500 272.500 275.000 277.500 280.000 282.500 282.500 285.571 289.150 293.373 298.433 304.603 312.296 322.154 335.242
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
84 72 78 102 96 93 93 96 96 96 99 96 99 99 96 96 90 0 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 -10.9375 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="372">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 146.16667 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 182.33333 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 218.5 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 262.566 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0
</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 0.35257575 0.35171902 0.35071892 0.34950462 0.34815413 0.3465988 0.34484506 0.3429001 0.34070218 0.33833194 0.335799 0.33304724 0.3300264 0.32682016 0.3233834 0.31967828 0.3157338 0.31158027 0.30708545 0.3023534 0.2973057 0.29203182 0.28632477 0.2803815 0.27398396 0.26722857 0.25997394 0.25233078 0.2441541 0.23540089 0.22610123 0.21613485 0.20538878 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 0.2028387 0.20709677 0.21135484 0.2156129 0.21987097 0.22412904 0.2283871 0.23264515 0.23690322 0.24116129 0.24541935 0.24967742 0.2539355 0.25819355 0.26245162 0.2667097 0.27096775 0.27522582 0.27948388 0.28374192 0.288 0.29225805 0.29651612 0.3007742 0.30503225 0.30929032 0.3135484 0.31780645 0.32206452 0.3263226 0.33058065 0.33483872 0.33909678 0.34335485 0.34761292 0.35187095 0.354 0.3723531 0.4120778 0.45560113 0.50261265 0.5528359 0.60605514 0.6621378 0.7210218 0.7827066 0.84722435 0.91465074 0.9850461 1.0584867 1.135071 1.2148358 1.2978097 1.3840003 1.473363 1.565732 1.6609776 1.758787 1.8587834 1.9605418 2.063489 2.1670065 2.270352 2.372809 2.473575 2.5719059 2.6670275 2.7582576 2.8449578 2.9265847 3.0026507 3.072752 3.1365678 3.1938238 3.2443233 3.2878983 3.3244421 3.3538556 3.3760884 3.3910887 3.3988354 3.4 3.3996372 3.3961046 3.3889635 3.3784046 3.3646193 3.3477988 3.3281322 3.3058066 3.2810054 3.2539082 3.2246895 3.193519 3.1605613 3.1259737 3.0899084 3.052511 3.0139205 2.97427 2.9336853 2.892286 2.8501856 2.8074906 2.7643023 2.720715 2.6768177 2.6326935 2.5884202 2.5440702 2.4997108 2.4554043 2.4112086 2.3671772 2.3233593 2.2797997 2.23654 2.193618 2.1510682 2.108921 2.0672054 2.0259461 1.985166 1.944885 1.9051208 1.8658893 1.8272038 1.7890757 1.7515153 1.7145303 1.6781278 1.6423128 1.607089 1.5724596 1.5384259 1.5049884 1.4721469 1.4398999 1.4082456 1.3771809 1.3467028 1.3168069 1.2874887 1.2587433 1.230565 1.2029479 1.1758857 1.149372 1.1233997 1.0979619 1.0730512 1.0486603 1.0247812 1.0014064 0.97852796 0.9561379 0.9342282 0.9127908 0.89181757 0.87130046 0.8512313 0.83160204 0.8124045 0.7936308 0.7752727 0.75732255 0.73977226 0.72261405 0.70584023 0.68944305 0.67341506 0.65774864 0.6424365 0.62747127 0.6128458 0.5985529 0.58458567 0.5709373 0.5576008 0.5445697 0.5318373 0.5193972 0.5072431 0.49536872 0.483768 0.47243488 0.46136352 0.45054808 0.43998295 0.4296625 0.41958132 0.40973404 0.4001154 0.3907203 0.38154367 0.3725806 0.36382625 0.35527584 0.3469248 0.3387686 0.33080274 0.32302293 0.31542486 0.3080044 0.30075747 0.2936801 0.28676835 0.28001845 0.27342662 0.26698926 0.26070276 0.2545637 0.24856856 0.24271409 0.23699701 0.23141411 0.22596228 0.22063848 0.21543975 0.21036313 0.20540583 0.20056504 0.19583803 0.19122218 0.18671486 0.18231356 0.1780158 0.17381914 0.16972123 0.16571976 0.16181248 0.15799716 0.15427168 0.15063389 0.14708178 0.14361331 0.14022653 0.13691951 0.1336904 0.13053736 0.1274586 0.12445239 0.12151701 0.1186508 0.11585213 0.11311943 0.11045113 0.10784573 0.10530174 0.102817714 0.10039225 0.098023966 0.09571152 0.09345359 0.09124891 0.0890962 0.08699425 0.08494188 0.082937896 0.08098117 0.0790706 0.077205084 0.07538356 0.073605 0.07186839 0.070172735 0.068517074 0.06690047 0.065322 0.063780755 0.06227587 0.060806487 0.059371762 0.05797088 0.056603048 0.055267487 0.053963427 0.052690133 0.051446877 0.050232954

</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="3.4" PeakHeight="262.566" Num="5" zHalfNm="245.309" Error="0.927">
-44.303 0.488 -0.556 0.479 -0.174
</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="6516.167" A="-1.16244783E11" B="3.587802E7" C="-2768.2405" Error="0.00174"/>
<QuasiParabolic ID="2" StartDistance="6516.167" EndDistance="6552.333" A="0.0" B="38.606968" C="0.03410791" Error="8.18E-4"/>
<QuasiParabolic ID="3" StartDistance="6552.333" EndDistance="6553.0" A="8.3157975E12" B="-2.53813658E9" C="193671.69" Error="0.042"/>
<QuasiParabolic ID="4" StartDistance="6553.0" EndDistance="6561.0" A="-1.56073738E11" B="4.7510244E7" C="-3615.5713" Error="0.0399"/>
<QuasiParabolic ID="5" StartDistance="6561.0" EndDistance="6585.0" A="6.7332542E10" B="-2.0591046E7" C="1574.2848" Error="0.0263"/>
<QuasiParabolic ID="6" StartDistance="6585.0" EndDistance="6587.0" A="-9.3760422E11" B="2.84628928E8" C="-21601.111" Error="0.00109"/>
<QuasiParabolic ID="7" StartDistance="6587.0" EndDistance="6594.0" A="9.1101625E12" B="-2.76615782E9" C="209975.23" Error="0.0276"/>
<QuasiParabolic ID="8" StartDistance="6594.0" EndDistance="6600.0" A="1.04025136E13" B="-3.15813606E9" C="239697.56" Error="0.0139"/>
<QuasiParabolic ID="9" StartDistance="6600.0" EndDistance="6620.0" A="2.07456316E13" B="-6.292414E9" C="477142.88" Error="0.0346"/>
<QuasiParabolic ID="10" StartDistance="6620.0" EndDistance="6632.566" A="-4.3417787E13" B="1.30923049E10" C="-986959.75" Error="0.0111"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="108.5" Depth="0.154"/>
<TopsideChapman PeakHeight="262.566" PeakDensity="143424.31" PeakScaleHeight="13.086" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
