<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-06 -065 03:35:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 80% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.06 (065) 03:35:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.17" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.96" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202606503060335001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.775" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.763" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.204" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.575" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.575" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.050" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="257.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="257.500" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.725" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="278.697" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.650" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.650" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="255.827" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="242.688" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.031" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="19.193" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.812" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="21.740" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.370" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="49">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.75 3.775
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
262.500 260.833 259.167 257.500 257.500 257.500 258.750 260.000 261.250 262.500 263.750 265.000 265.000 265.500 266.000 266.500 267.000 267.500 268.000 268.500 269.000 269.500 270.000 270.000 262.500 270.000 271.500 273.000 274.500 276.000 277.500 278.125 278.750 279.375 280.000 280.833 281.667 282.500 283.750 285.000 286.250 287.500 281.250 275.000 273.750 275.974 278.697 282.109 286.510
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 0 63 69 0 69 0 0 0 0 0 45 66 0 0 0 0 0 0 0 0 0 0 0 96 90 0 0 0 87 99 0 0 99 0 0 0 0 0 0 0 0 0 0 0 90 0 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 -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="331">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 144.41667 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 178.83333 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 213.25 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 255.827 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0
</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 0.35306162 0.35242635 0.351496 0.35034946 0.34906474 0.34757262 0.34580722 0.34384936 0.34170708 0.3393199 0.33670086 0.33386406 0.33075932 0.32740733 0.32383022 0.31999075 0.3158602 0.31147584 0.30682194 0.3017886 0.29647052 0.29077086 0.28478742 0.2783704 0.27152064 0.2642219 0.2564137 0.24812241 0.23924045 0.22962193 0.21941046 0.20837834 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 0.20074576 0.20522034 0.20969492 0.21416949 0.21864407 0.22311865 0.22759321 0.2320678 0.23654237 0.24101695 0.24549152 0.2499661 0.25444067 0.25891525 0.26338983 0.2678644 0.272339 0.27681357 0.28128815 0.2857627 0.29023728 0.29471186 0.29918644 0.30366102 0.3081356 0.31261018 0.31708476 0.3215593 0.3260339 0.33050847 0.33498305 0.33945763 0.3439322 0.3484068 0.35288134 0.354 0.39283052 0.43910336 0.48497856 0.5328961 0.5843146 0.64036435 0.7019584 0.76976264 0.843981 0.92430496 1.0097789 1.0990822 1.1907688 1.2835727 1.3765222 1.469005 1.560684 1.6514041 1.7411132 1.8299034 1.9178743 2.005154 2.091896 2.1782393 2.264344 2.3503695 2.4364526 2.522767 2.609439 2.696639 2.7845223 2.8732235 2.9629114 3.0537038 3.1457148 3.2389708 3.3333745 3.4285111 3.5232754 3.6149988 3.6974213 3.7571394 3.775 3.7749019 3.7705765 3.760131 3.7439659 3.7224822 3.6960797 3.665151 3.6300805 3.591242 3.5489967 3.5036912 3.4556565 3.4052088 3.3526464 3.2982514 3.242289 3.185008 3.1266394 3.0673993 3.0074875 2.9470885 2.8863723 2.8254952 2.7646 2.7038167 2.6432633 2.5830472 2.5232642 2.4640012 2.4053352 2.3473346 2.2900603 2.233565 2.1778953 2.123091 2.069186 2.016209 1.9641836 1.9131291 1.8630606 1.8139895 1.7659235 1.7188677 1.6728238 1.6277915 1.5837681 1.5407488 1.498727 1.4576943 1.4176413 1.3785571 1.3404295 1.3032459 1.2669922 1.231654 1.1972164 1.1636635 1.1309795 1.0991479 1.0681523 1.0379758 1.0086013 0.9800121 0.95219105 0.92512107 0.89878523 0.8731666 0.8482486 0.8240144 0.8004477 0.77753216 0.75525177 0.73359066 0.71253335 0.69206446 0.67216885 0.6528318 0.6340387 0.61577535 0.59802777 0.58078223 0.5640254 0.5477441 0.53192556 0.5165572 0.5016268 0.48712242 0.4730323 0.4593451 0.4460497 0.43313518 0.42059103 0.4084069 0.39657274 0.38507876 0.3739154 0.36307338 0.35254362 0.34231734 0.33238593 0.32274103 0.31337452 0.30427852 0.2954453 0.28686735 0.27853742 0.27044845 0.2625935 0.25496593 0.24755917 0.24036692 0.23338301 0.22660147 0.22001646 0.21362236 0.20741364 0.20138499 0.19553122 0.18984726 0.18432824 0.17896938 0.17376608 0.16871382 0.16380824 0.15904512 0.1544203 0.14992982 0.14556977 0.14133637 0.13722597 0.133235 0.12935998 0.12559758 0.12194452 0.11839763 0.11495383 0.11161014 0.10836364 0.10521152 0.10215104 0.09917954 0.09629444 0.09349322 0.090773456 0.08813278 0.08556889 0.08307956 0.08066262 0.07831598 0.076037586 0.07382545 0.071677655 0.069592334 0.06756766 0.06560188 0.06369328 0.061840195 0.060041014 0.05829417 0.056598138 0.054951448 0.053352654 0.051800374 0.05029325

</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="3.775" PeakHeight="255.827" Num="5" zHalfNm="242.688" Error="1.18">
-37.543 -9.076 6.172 -3.13 1.0
</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="6514.417" A="-1.28301556E11" B="3.9599244E7" C="-3055.372" Error="0.00167"/>
<QuasiParabolic ID="2" StartDistance="6514.417" EndDistance="6548.833" A="0.0" B="-856.5813" C="0.17152028" Error="0.018"/>
<QuasiParabolic ID="3" StartDistance="6548.833" EndDistance="6581.0" A="4.8919843E10" B="-1.5007433E7" C="1150.9976" Error="0.018"/>
<QuasiParabolic ID="4" StartDistance="6581.0" EndDistance="6582.0" A="-2.38423088E12" B="7.2443962E8" C="-55029.453" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6582.0" EndDistance="6584.0" A="1.55957246E13" B="-4.7389317E9" C="359994.22" Error="0.0381"/>
<QuasiParabolic ID="6" StartDistance="6584.0" EndDistance="6587.0" A="4.6704781E12" B="-1.4202057E9" C="107964.58" Error="0.011"/>
<QuasiParabolic ID="7" StartDistance="6587.0" EndDistance="6611.0" A="1.61021029E13" B="-4.8911713E9" C="371435.47" Error="0.0358"/>
<QuasiParabolic ID="8" StartDistance="6611.0" EndDistance="6621.0" A="1.70569216E13" B="-5.1800289E9" C="393282.22" Error="0.00606"/>
<QuasiParabolic ID="9" StartDistance="6621.0" EndDistance="6624.0" A="2.43863677E12" B="-7.6429549E8" C="59817.98" Error="0.00283"/>
<QuasiParabolic ID="10" StartDistance="6624.0" EndDistance="6625.827" A="-3.36222724E14" B="1.01488534E11" C="-7658542.0" Error="0.00108"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="103.25" Depth="0.154"/>
<TopsideChapman PeakHeight="255.827" PeakDensity="176806.77" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
