<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-06-03 -154 00:45:00.000"
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: 90% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.06.03 (154) 00:45:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.23" 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">
FF202615406030045001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.625" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.730" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.522" 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="4.050" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="235.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="235.000" 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="258.588" 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="244.454" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="224.707" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.675" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="28.239" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.051" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.276" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.590" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.110" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="28">
<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 3.425 3.45 3.475 3.5 3.525 3.55 3.575 3.6 3.625
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
235.000 235.000 235.000 237.500 237.500 240.000 240.000 242.500 245.000 245.000 245.000 246.078 247.274 248.610 250.111 251.811 253.751 255.985 258.588 261.657 265.331 269.808 275.384 282.519 291.974 305.100 324.551 356.347
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 75 75 99 102 102 102 99 99 102 96 93 93 93 93 90 93 90 90 93 87 75 72 81 81 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="390">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 139.16667 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 168.33333 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 197.5 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 244.454 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0
</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 0.35347393 0.352762 0.35175505 0.3505324 0.3489521 0.3470975 0.34497866 0.3425364 0.33978727 0.33674988 0.3333779 0.32963315 0.32561377 0.321167 0.3164043 0.31120363 0.30563802 0.29957724 0.29311055 0.28615454 0.27862445 0.27052397 0.26174292 0.2523066 0.24211602 0.23105234 0.21895285 0.20588575 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 0.20352 0.2088 0.21408 0.21936 0.22464 0.22992 0.2352 0.24048 0.24576 0.25104 0.25632 0.2616 0.26688 0.27216 0.27744 0.28272 0.288 0.29328 0.29856 0.30384 0.30912 0.3144 0.31968 0.32496 0.33024 0.33552 0.3408 0.34608 0.35136 0.354 0.36882997 0.40276495 0.4425844 0.48789072 0.5376799 0.59086573 0.6466307 0.7045066 0.7643438 0.826207 0.89028764 0.9568549 1.0262598 1.0988755 1.175138 1.2555091 1.3404566 1.4305158 1.5261327 1.6277196 1.7355441 1.8495122 1.9692038 2.0936108 2.221032 2.3493333 2.4760125 2.5987024 2.7154796 2.8249507 2.9263973 3.0195003 3.1043806 3.1812947 3.2506506 3.31289 3.36842 3.4176562 3.4609625 3.498678 3.5310757 3.5583978 3.580837 3.5985653 3.611702 3.620342 3.6245463 3.625 3.624551 3.6214511 3.6155117 3.6068604 3.5956254 3.5819352 3.5659173 3.5476983 3.527403 3.505155 3.4810753 3.4552813 3.427889 3.3990107 3.3687549 3.3372276 3.3045306 3.2707622 3.2360175 3.2003872 3.1639585 3.126815 3.0890365 3.050699 3.0118752 2.9726336 2.93304 2.893156 2.8530407 2.8127491 2.7723336 2.7318435 2.691325 2.6508212 2.6103733 2.570019 2.5297937 2.489731 2.4498613 2.4102132 2.3708131 2.3316855 2.292853 2.2543364 2.2161543 2.1783242 2.1408617 2.1037815 2.067096 2.0308168 1.9949546 1.9595182 1.9245157 1.8899542 1.8558396 1.822177 1.7889707 1.7562242 1.72394 1.6921202 1.660766 1.6298783 1.5994571 1.569502 1.5400122 1.5109863 1.4824225 1.4543188 1.4266725 1.3994807 1.3727405 1.3464484 1.3206006 1.2951933 1.2702223 1.2456834 1.2215722 1.1978837 1.1746135 1.1517566 1.129308 1.1072625 1.085615 1.0643604 1.0434933 1.0230083 1.0029002 0.9831634 0.9637926 0.9447824 0.92612714 0.90782166 0.88986033 0.8722378 0.85494876 0.83798766 0.8213493 0.8050284 0.78901947 0.7733175 0.75791717 0.74281335 0.728001 0.713475 0.6992304 0.6852622 0.6715656 0.65813565 0.6449677 0.63205695 0.6193988 0.6069886 0.5948219 0.58289415 0.571201 0.5597381 0.5485012 0.5374861 0.5266885 0.5161045 0.50573003 0.49556106 0.48559377 0.47582433 0.4662489 0.45686385 0.4476655 0.43865028 0.42981467 0.4211552 0.41266847 0.40435112 0.39619988 0.38821155 0.38038293 0.37271088 0.36519238 0.35782444 0.35060412 0.34352848 0.3365947 0.32979998 0.3231416 0.3166169 0.3102232 0.3039579 0.2978185 0.2918025 0.28590748 0.28013098 0.2744707 0.2689243 0.26348954 0.25816417 0.25294608 0.24783304 0.24282303 0.23791397 0.23310384 0.22839068 0.22377253 0.2192475 0.21481374 0.21046941 0.20621273 0.20204192 0.19795531 0.19395116 0.19002783 0.18618372 0.18241721 0.17872678 0.17511086 0.17156798 0.16809666 0.16469546 0.16136299 0.15809783 0.15489867 0.15176415 0.148693 0.1456839 0.14273563 0.13984697 0.1370167 0.13424365 0.13152666 0.12886462 0.1262564 0.12370093 0.12119714 0.118743986 0.11634044 0.11398552 0.111678235 0.10941762 0.10720272 0.105032645 0.102906466 0.100823306 0.098782286 0.096782565 0.0948233 0.09290368 0.09102291 0.08918019 0.08737476 0.08560587 0.08387277 0.08217475 0.080511086 0.0788811 0.0772841 0.075719416 0.07418641 0.07268442 0.071212836 0.06977104 0.06835843 0.0669744 0.065618396 0.06428984 0.06298818 0.061712857 0.060463358 0.05923915 0.058039725 0.05686458 0.055713225 0.054585177 0.053479966 0.05239713 0.05133621 0.050296772

</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="3.625" PeakHeight="244.454" Num="5" zHalfNm="224.707" Error="1.877">
-49.798 5.315 -3.878 2.16 -0.753
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="17" 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="6509.167" A="-1.78385355E11" B="5.5057208E7" C="-4248.116" Error="0.00152"/>
<QuasiParabolic ID="2" StartDistance="6509.167" EndDistance="6538.333" A="0.0" B="25.406012" C="0.0361143" Error="4.35E-4"/>
<QuasiParabolic ID="3" StartDistance="6538.333" EndDistance="6539.0" A="-5.7473966E12" B="1.75788096E9" C="-134414.97" Error="0.0"/>
<QuasiParabolic ID="4" StartDistance="6539.0" EndDistance="6540.0" A="3.92240248E12" B="-1.19969626E9" C="91734.07" Error="3.51E-10"/>
<QuasiParabolic ID="5" StartDistance="6540.0" EndDistance="6541.0" A="-3.82036502E12" B="1.1681225E9" C="-89291.836" Error="0.0"/>
<QuasiParabolic ID="6" StartDistance="6541.0" EndDistance="6542.0" A="3.92489206E12" B="-1.20009549E9" C="91736.914" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6542.0" EndDistance="6543.0" A="-3.82265301E12" B="1.16846003E9" C="-89289.945" Error="0.0"/>
<QuasiParabolic ID="8" StartDistance="6543.0" EndDistance="6544.0" A="3.9273549E12" B="-1.2004864E9" C="91739.12" Error="0.0"/>
<QuasiParabolic ID="9" StartDistance="6544.0" EndDistance="6545.0" A="-3.42998883E12" B="1.04809056E9" C="-80065.36" Error="2.75E-10"/>
<QuasiParabolic ID="10" StartDistance="6545.0" EndDistance="6547.0" A="1.01646251E12" B="-3.10641664E8" C="23733.896" Error="0.0163"/>
<QuasiParabolic ID="11" StartDistance="6547.0" EndDistance="6567.0" A="1.8476841E10" B="-5773576.5" C="450.86008" Error="0.0173"/>
<QuasiParabolic ID="12" StartDistance="6567.0" EndDistance="6568.0" A="1.70524945E13" B="-5.193536E9" C="395438.1" Error="9.43E-10"/>
<QuasiParabolic ID="13" StartDistance="6568.0" EndDistance="6574.0" A="7.8091119E12" B="-2.37886413E9" C="181166.48" Error="0.00357"/>
<QuasiParabolic ID="14" StartDistance="6574.0" EndDistance="6582.0" A="1.12690672E13" B="-3.43148211E9" C="261225.66" Error="0.0123"/>
<QuasiParabolic ID="15" StartDistance="6582.0" EndDistance="6595.0" A="3.5670131E13" B="-1.08459653E10" C="824465.0" Error="0.018"/>
<QuasiParabolic ID="16" StartDistance="6595.0" EndDistance="6614.454" A="-3.21096348E13" B="9.70893E9" C="-733904.56" Error="0.00394"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="87.5" Depth="0.154"/>
<TopsideChapman PeakHeight="244.454" PeakDensity="163035.05" PeakScaleHeight="15.276" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
