<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-25 -145 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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 35% PACIFIC flags: F2o cusp not found, 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" >
2026.05.25 (145) 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="-15.99" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="75.82641" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202614505252225001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="27" >
<URSI ID="00" Val="3.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.056" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.182" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.225" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="30" Val="3.375" Name="foEs" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.425" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.525" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="229.167" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="229.167" Name="h`F2" Units="km" QL="/" DL="/" />
<URSI ID="34" Val="115.000" Name="h`Es" 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="88" Val="3.150" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="235.427" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.750" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.750" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="224.611" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="212.218" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.931" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<Custom Name="fminEs" Val="2.225" Description="Minimum frequency of Es-layer" Units="MHz" />
<URSI ID="94" Val="17.796" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.580" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="17.670" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.280" Name="B1" QL="/" DL="/" />
<URSI ID="32" Val="2.425" Name="fbEs" Units="MHz" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="2">
<Trace Type="standard" Layer="F2" Polarization="O" Num="34">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 230.833 229.167 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 235.427 239.808 247.086 261.550 304.230
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
87 87 84 0 72 72 0 0 69 69 72 72 0 0 60 63 48 0 0 0 0 0 0 81 0 0 0 0 0 0 0 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 10.9375 -4.6875 -1.5625 -1.5625 -1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625
</TraceValueList>
</Trace>
<Trace Type="standard" Layer="Es" Polarization="O" Num="47">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
115.000 115.000 115.000 115.000 115.000 115.000 115.000 115.000 115.000 115.000 115.000 115.000 115.000 115.000 115.000 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500 117.500
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 69 57 57 57 57 0 0 0 0 0 0 72 72 75 66 0 66 66 63 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 90 90 90 90 84 0 0 0 90
</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 4.6875 -1.5625 -1.5625 -1.5625 -4.6875 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -4.6875 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="294">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 137.80566 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 165.61133 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 193.417 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 224.611 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0
</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 0.353812 0.35339895 0.35261247 0.35153195 0.35016313 0.34844008 0.34644687 0.34405136 0.34134337 0.3383412 0.3349975 0.3312073 0.3271391 0.32263833 0.31769806 0.3123821 0.3065929 0.3003212 0.29361024 0.28625125 0.27837577 0.2698417 0.26059994 0.25062817 0.23970158 0.22787641 0.21489102 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 0.20215261 0.20769104 0.21322949 0.21876793 0.22430636 0.22984481 0.23538324 0.24092168 0.24646012 0.25199857 0.257537 0.26307544 0.26861387 0.2741523 0.27969077 0.2852292 0.29076764 0.29630607 0.3018445 0.30738294 0.3129214 0.31845984 0.32399827 0.3295367 0.33507514 0.3406136 0.34615204 0.35169047 0.354 0.37669128 0.4254011 0.4881762 0.56362104 0.64736545 0.73574686 0.82715017 0.92138606 1.0188143 1.1200647 1.2258205 1.3367649 1.4534811 1.5763448 1.7054647 1.8404843 1.9804121 2.1234577 2.2670603 2.4081059 2.543403 2.670003 2.7857087 2.8890576 2.9793153 3.0562549 3.1199577 3.170676 3.2087016 3.2343266 3.247749 3.25 3.2495744 3.2446835 3.234598 3.2196627 3.2002232 3.1766222 3.1491969 3.1182764 3.0841799 3.0472157 3.0076797 2.9658542 2.9220078 2.8763945 2.8292542 2.7808118 2.7312782 2.68085 2.6297095 2.578026 2.5259562 2.473643 2.4212189 2.3688042 2.3165085 2.264432 2.212664 2.1612859 2.1103702 2.059982 2.0101788 1.9610109 1.912523 1.8647537 1.817736 1.7714983 1.7260643 1.6814536 1.6376818 1.5947613 1.552701 1.5115073 1.4711837 1.4317315 1.3931499 1.3554361 1.3185856 1.2825924 1.2474493 1.2131475 1.1796776 1.1470292 1.1151906 1.0841502 1.0538952 1.0244125 0.99568874 0.9677099 0.94046193 0.9139305 0.88810104 0.8629591 0.83848995 0.8146789 0.7915114 0.76897275 0.7470485 0.7257243 0.70498574 0.68481874 0.6652094 0.646144 0.6276088 0.6095905 0.59207594 0.5750522 0.5585066 0.5424267 0.5268002 0.51161516 0.49685988 0.48252282 0.4685928 0.4550588 0.44191012 0.4291362 0.41672686 0.40467203 0.392962 0.38158724 0.37053844 0.35980654 0.3493827 0.3392583 0.329425 0.31987458 0.31059912 0.30159083 0.2928422 0.28434587 0.27609465 0.26808167 0.26030007 0.2527433 0.24540499 0.23827885 0.23135886 0.22463909 0.21811382 0.21177748 0.20562467 0.1996501 0.19384864 0.18821535 0.18274535 0.17743398 0.17227665 0.16726892 0.16240646 0.15768512 0.15310079 0.14864953 0.14432749 0.14013095 0.13605626 0.1320999 0.12825845 0.124528594 0.12090709 0.1173908 0.11397667 0.11066175 0.10744317 0.10431812 0.1012839 0.098337874 0.09547748 0.092700236 0.09000373 0.08738562 0.08484362 0.08237554 0.07997922 0.07765257 0.07539359 0.07320029 0.07107078 0.0690032 0.06699575 0.065046676 0.063154295 0.061316952 0.05953305 0.057801034 0.056119397 0.054486673 0.052901447 0.05136233

</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="3.25" PeakHeight="224.611" Num="5" zHalfNm="212.218" Error="1.259">
-31.623 1.023 -0.833 0.667 -0.428
</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="6507.806" A="-1.96191699E11" B="6.0552992E7" C="-4672.1733" Error="0.00153"/>
<QuasiParabolic ID="2" StartDistance="6507.806" EndDistance="6535.611" A="0.0" B="1088.2957" C="-0.12721118" Error="0.0173"/>
<QuasiParabolic ID="3" StartDistance="6535.611" EndDistance="6558.0" A="3.6057145E10" B="-1.1141108E7" C="860.568" Error="0.0173"/>
<QuasiParabolic ID="4" StartDistance="6558.0" EndDistance="6563.0" A="1.62311504E11" B="-4.9645028E7" C="3796.2131" Error="0.00115"/>
<QuasiParabolic ID="5" StartDistance="6563.0" EndDistance="6565.0" A="2.14726387E13" B="-6.5437266E9" C="498545.66" Error="0.0142"/>
<QuasiParabolic ID="6" StartDistance="6565.0" EndDistance="6573.0" A="1.95434308E13" B="-5.9560013E9" C="453783.66" Error="0.0139"/>
<QuasiParabolic ID="7" StartDistance="6573.0" EndDistance="6582.0" A="4.4495152E13" B="-1.35481876E10" C="1031311.94" Error="0.0103"/>
<QuasiParabolic ID="8" StartDistance="6582.0" EndDistance="6583.0" A="3.29270501E13" B="-1.00331162E10" C="764290.4" Error="0.0"/>
<QuasiParabolic ID="9" StartDistance="6583.0" EndDistance="6587.0" A="-2.17569307E13" B="6.5805804E9" C="-497573.25" Error="0.00315"/>
<QuasiParabolic ID="10" StartDistance="6587.0" EndDistance="6594.611" A="-7.2599325E13" B="2.20177736E10" C="-1669365.6" Error="0.00155"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="83.417" Depth="0.154"/>
<TopsideChapman PeakHeight="224.611" PeakDensity="131048.39" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
