<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-06-02 -153 22:25:00.000"
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 33 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 60% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.06.02 (153) 22:25:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.00" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="73.46457" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202615306022225001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.650" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.754" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.702" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.125" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.125" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.975" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="262.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="262.500" 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="3.575" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="275.542" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.125" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.125" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="248.990" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="233.787" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.729" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="21.871" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.817" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.369" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="22.220" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.960" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="22">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
262.500 262.500 262.500 262.500 265.000 265.000 265.230 265.489 265.783 266.120 266.510 266.967 267.508 268.160 268.962 269.970 271.277 273.038 275.542 279.381 286.014 300.230
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
105 114 105 99 99 99 108 108 108 102 102 99 99 93 78 84 84 87 84 84 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="335">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.89566 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 175.79134 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 208.687 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 248.99 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0
</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 0.3318883 0.32844296 0.32477406 0.3208444 0.31656647 0.31204155 0.3071452 0.30193967 0.2964146 0.29043576 0.28412116 0.27726167 0.27005613 0.2622911 0.2540485 0.24515477 0.23558584 0.22533406 0.21420093 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 0.20097686 0.20565833 0.2103398 0.21502127 0.21970274 0.2243842 0.22906567 0.23374714 0.23842861 0.24311008 0.24779154 0.252473 0.25715446 0.26183593 0.2665174 0.27119887 0.27588034 0.2805618 0.28524327 0.28992474 0.2946062 0.29928768 0.30396914 0.3086506 0.31333208 0.31801355 0.32269502 0.32737648 0.33205795 0.33673942 0.3414209 0.34610236 0.35078382 0.354 0.36779284 0.4131801 0.46127358 0.51275176 0.56815 0.62791914 0.6924086 0.76182866 0.836318 0.9158735 1.0003972 1.0896256 1.1832526 1.2809085 1.3821269 1.4864956 1.5935221 1.7027535 1.8137748 1.9261292 2.039395 2.1531813 2.2670143 2.3804834 2.4931467 2.6044614 2.7139673 2.8210592 2.9251068 3.0254521 3.1213415 3.2119787 3.2965405 3.374097 3.4437802 3.5046492 3.5558467 3.5965734 3.626153 3.6440701 3.65 3.6499996 3.6472392 3.6392736 3.6264143 3.6089747 3.587267 3.5616 3.532278 3.4995978 3.4638474 3.425306 3.384242 3.3409123 3.2955625 3.248426 3.199724 3.1496658 3.0984478 3.0462546 2.9932594 2.939623 2.885496 2.8310168 2.7763147 2.7215083 2.6667068 2.6120105 2.5575106 2.5032904 2.449426 2.3959854 2.3430305 2.2906163 2.2387922 2.187602 2.1370842 2.0872724 2.0381963 1.9898808 1.9423473 1.8956137 1.8496945 1.8046014 1.7603434 1.7169269 1.674356 1.6326329 1.5917575 1.5517286 1.5125432 1.4741966 1.4366833 1.3999964 1.3641281 1.3290699 1.2948122 1.2613448 1.228657 1.1967375 1.1655748 1.1351565 1.1054704 1.0765038 1.0482438 1.0206773 0.9937913 0.96757245 0.9420076 0.9170833 0.8927864 0.86910367 0.8460219 0.823528 0.8016091 0.7802522 0.7594448 0.73917407 0.7194278 0.70019364 0.68145967 0.66321385 0.6454445 0.6281403 0.6112898 0.59488195 0.5789059 0.56335086 0.5482065 0.5334626 0.5191089 0.5051357 0.49153343 0.47829255 0.46540385 0.4528584 0.44064727 0.42876196 0.417194 0.40593517 0.39497745 0.38431302 0.3739342 0.36383358 0.3540038 0.34443778 0.3351286 0.3260695 0.31725386 0.30867526 0.30032742 0.29220426 0.2842998 0.2766082 0.26912382 0.2618412 0.2547549 0.24785972 0.24115053 0.23462237 0.22827043 0.22208996 0.21607637 0.21022522 0.20453213 0.19899288 0.1936033 0.18835942 0.1832573 0.17829312 0.1734632 0.16876389 0.16419171 0.1597432 0.15541507 0.15120405 0.14710698 0.14312081 0.13924251 0.13546923 0.13179807 0.12822631 0.12475127 0.12137032 0.11808093 0.11488062 0.11176699 0.10873769 0.10579044 0.10292303 0.10013329 0.09741913 0.0947785 0.09220941 0.08970993 0.08727817 0.0849123 0.08261054 0.08037115 0.07819244 0.07607278 0.07401056 0.07200422 0.070052266 0.0681532 0.066305615 0.0645081 0.0627593 0.06105791 0.059402626 0.057792213 0.05622545 0.054701153 0.053218175 0.051775396 0.050371725

</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="3.65" PeakHeight="248.99" Num="5" zHalfNm="233.787" Error="0.358">
-39.735 -1.024 0.691 -0.382 0.147
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" 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="6512.896" A="-1.40371804E11" B="4.3324632E7" C="-3342.8247" Error="0.00172"/>
<QuasiParabolic ID="2" StartDistance="6512.896" EndDistance="6545.791" A="0.0" B="6037.663" C="-0.887" Error="0.116"/>
<QuasiParabolic ID="3" StartDistance="6545.791" EndDistance="6572.0" A="-6.5819841E10" B="1.9958204E7" C="-1512.8318" Error="0.116"/>
<QuasiParabolic ID="4" StartDistance="6572.0" EndDistance="6579.0" A="1.14191132E12" B="-3.47580192E8" C="26449.615" Error="0.104"/>
<QuasiParabolic ID="5" StartDistance="6579.0" EndDistance="6586.0" A="1.3539616E13" B="-4.1164521E9" C="312881.6" Error="0.0849"/>
<QuasiParabolic ID="6" StartDistance="6586.0" EndDistance="6610.0" A="2.30147689E13" B="-6.993814E9" C="531326.94" Error="0.041"/>
<QuasiParabolic ID="7" StartDistance="6610.0" EndDistance="6618.99" A="-7.3469367E13" B="2.21995704E10" C="-1676947.1" Error="0.00933"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="98.687" Depth="0.154"/>
<TopsideChapman PeakHeight="248.99" PeakDensity="165291.56" PeakScaleHeight="11.369" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
