<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-22 -081 02:55:00.000"
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: 45% PACIFIC flags: F2x cusp not found, Multiple candidates for F2x 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" >
2026.03.22 (081) 02:55:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608103220255001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.050" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="4.517" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="18.293" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.725" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.725" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.325" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="197.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="197.500" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.000" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="200.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.875" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.875" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="188.057" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="182.117" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.262" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="8.595" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.752" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="8.910" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.790" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="14">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.725 3.75 3.775 3.8 3.825 3.85 3.875 3.9 3.925 3.95 3.975 4.0 4.025 4.05
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
200.000 199.583 199.167 198.750 198.333 197.917 197.500 197.757 198.086 198.519 199.119 200.000 201.425 204.121
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
75 0 0 0 0 0 0 0 90 90 102 102 105 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="265">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 130.41667 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 150.83333 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 171.25 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 188.057 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0
</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 0.35375172 0.35311857 0.35194156 0.35034353 0.348288 0.34577343 0.34275505 0.3392274 0.3352465 0.33069065 0.32556674 0.31982708 0.31355324 0.30657426 0.2989218 0.29046544 0.28123897 0.27106133 0.2598764 0.24752563 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.241 0.24192245 0.24745715 0.25299183 0.25852653 0.2640612 0.26959592 0.2751306 0.2806653 0.2862 0.2917347 0.29726937 0.30280408 0.30833876 0.31387347 0.31940815 0.32494286 0.33047757 0.33601224 0.34154695 0.34708163 0.35261634 0.354 0.4520171 0.58155566 0.7337394 0.9200564 1.1443812 1.4009548 1.6780019 1.9648017 2.2547874 2.544274 2.8306873 3.111031 3.3802166 3.6288917 3.8408852 3.9908545 4.0498233 4.05 4.0469184 4.0371842 4.0212145 3.9994404 3.9722905 3.9401886 3.9035494 3.8627768 3.8182611 3.770378 3.7194872 3.6659307 3.6100338 3.5521026 3.4924262 3.431275 3.3689015 3.3055415 3.2414126 3.1767173 3.1116412 3.046355 2.9810152 2.9157646 2.8507328 2.7860372 2.7217836 2.6580675 2.5949736 2.5325775 2.4709466 2.4101388 2.3502061 2.2911923 2.2331355 2.1760678 2.1200159 2.065001 2.0110407 1.9581478 1.9063317 1.8555983 1.8059505 1.7573884 1.7099093 1.663509 1.6181805 1.5739155 1.530704 1.4885346 1.4473947 1.4072707 1.3681479 1.3300109 1.2928438 1.2566298 1.221352 1.1869929 1.1535345 1.1209592 1.0892487 1.0583847 1.0283489 0.9991232 0.97068936 0.9430291 0.9161246 0.8899578 0.86451113 0.8397671 0.81570846 0.7923181 0.7695793 0.7474755 0.7259905 0.70510834 0.6848134 0.6650902 0.6459238 0.62729937 0.6092025 0.591619 0.57453513 0.5579373 0.54181236 0.52614737 0.5109297 0.49614707 0.48178747 0.4678392 0.45429084 0.44113126 0.42834958 0.41593528 0.403878 0.39216775 0.3807947 0.3697494 0.35902256 0.34860513 0.33848837 0.3286637 0.31912288 0.3098578 0.30086052 0.2921235 0.28363922 0.27540052 0.26740032 0.25963178 0.25208828 0.24476334 0.23765068 0.2307442 0.22403796 0.21752621 0.21120334 0.20506388 0.19910258 0.19331427 0.18769395 0.18223679 0.17693807 0.17179321 0.16679774 0.16194737 0.15723787 0.15266518 0.14822534 0.14391449 0.1397289 0.13566495 0.1317191 0.12788792 0.1241681 0.12055641 0.117049694 0.11364493 0.11033914 0.10712947 0.104013115 0.10098737 0.0980496 0.09519727 0.09242787 0.08973901 0.08712834 0.0845936 0.08213258 0.07974313 0.07742318 0.0751707 0.07298374 0.07086039 0.0687988 0.06679718 0.06485379 0.06296692 0.061134942 0.059356257 0.05762931 0.0559526 0.05432467 0.052744098 0.051209506

</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="4.05" PeakHeight="188.057" Num="5" zHalfNm="182.117" Error="0.408">
-16.148 -1.232 0.805 -0.439 0.207
</ShiftedChebyshev>
</ShiftedChebyshevList>
<ProfileValley Model="ULCAR" Width="61.25" Depth="0.113"/>
<TopsideChapman PeakHeight="188.057" PeakDensity="203504.97" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
