<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-07 -127 02:30:00.000"
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: 95% PACIFIC flags: Multiple candidates for F2x cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.07 (127) 02:30:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" 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">
FF202612705070230001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.325" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.766" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.523" 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="3.625" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="245.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="245.000" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.200" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="265.465" 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="240.186" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="226.366" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.974" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="19.823" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.629" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="19.890" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.060" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="16">
<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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
245.000 245.000 247.500 247.500 250.000 252.500 254.451 256.660 259.181 262.084 265.465 269.451 274.222 280.034 287.270 296.526
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
75 81 78 78 78 102 105 102 105 93 90 0 0 99 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="310">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 141.5 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 204.5 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 240.186 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0
</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 0.3529118 0.35205317 0.35097662 0.34968653 0.34811512 0.3462709 0.3442354 0.34187606 0.33927825 0.33638793 0.33322465 0.32980946 0.32603815 0.32200715 0.31768805 0.31300464 0.30795586 0.3025528 0.29676917 0.29057935 0.28398937 0.27689454 0.26927269 0.26112098 0.25231692 0.24289067 0.23271252 0.2217551 0.20985778 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 0.2048889 0.20977777 0.21466666 0.21955556 0.22444445 0.22933333 0.23422222 0.23911111 0.244 0.2488889 0.25377777 0.25866666 0.26355556 0.26844445 0.27333334 0.27822223 0.28311113 0.288 0.29288888 0.29777777 0.30266666 0.30755556 0.31244445 0.31733334 0.32222223 0.32711112 0.332 0.33688888 0.34177777 0.34666666 0.35155556 0.354 0.37817428 0.42893976 0.4831282 0.5410185 0.6028272 0.6688088 0.73916936 0.8141271 0.89383703 0.9784173 1.0679502 1.1624532 1.2618262 1.3659041 1.4744173 1.5869302 1.7029191 1.8217238 1.9425163 2.0644033 2.1863928 2.307349 2.4261856 2.5417194 2.6528244 2.7584057 2.85738 2.948826 3.031849 3.1056554 3.1695952 3.223082 3.2656558 3.2969577 3.3167262 3.3247964 3.325 3.3231099 3.3158045 3.3033342 3.2860527 3.2643127 3.2384624 3.208844 3.1757896 3.1396215 3.1006498 3.0591717 3.0154693 2.969812 2.922453 2.8736315 2.8235712 2.772482 2.7205582 2.6679811 2.614918 2.5615234 2.507939 2.454295 2.4007094 2.3472903 2.2941353 2.2413325 2.1889613 2.1370924 2.085789 2.0351067 1.9850947 1.9357958 1.8872471 1.8394803 1.7925223 1.7463956 1.7011184 1.6567053 1.6131673 1.5705125 1.5287462 1.487871 1.4478872 1.408793 1.3705848 1.3332576 1.2968044 1.2612172 1.2264869 1.1926031 1.1595548 1.1273302 1.0959165 1.0653008 1.0354694 1.0064085 0.9781035 0.95054007 0.92370343 0.8975787 0.8721509 0.8474051 0.82332623 0.79989934 0.7771095 0.754942 0.7333821 0.7124153 0.6920271 0.6722034 0.65293026 0.6341937 0.61598027 0.59827656 0.58106947 0.5643461 0.54809374 0.53230006 0.51695293 0.5020404 0.48755085 0.47347292 0.45979548 0.4465076 0.4335987 0.42105836 0.40887648 0.39704317 0.3855488 0.37438393 0.3635394 0.35300627 0.34277585 0.33283964 0.32318935 0.31381696 0.30471462 0.2958747 0.28728977 0.2789526 0.27085614 0.26299354 0.25535816 0.24794352 0.24074331 0.2337514 0.22696185 0.22036883 0.21396674 0.20775008 0.20171355 0.19585194 0.19016024 0.18463358 0.17926717 0.17405641 0.16899683 0.16408403 0.15931381 0.15468204 0.15018472 0.14581797 0.14157802 0.13746119 0.1334639 0.12958275 0.12581432 0.12215537 0.11860273 0.11515332 0.11180414 0.1085523 0.10539496 0.102329396 0.099352926 0.09646299 0.093657054 0.0909327 0.08828755 0.0857193 0.08322573 0.08080466 0.078453995 0.07617168 0.073955745 0.07180424 0.06971531 0.06768714 0.06571794 0.06380603 0.06194972 0.0601474 0.058397505 0.056698512 0.055048935 0.053447343 0.05189234 0.05038257

</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="3.325" PeakHeight="240.186" Num="5" zHalfNm="226.366" Error="0.715">
-35.473 -0.247 -0.134 0.188 -0.02
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" 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="6511.5" A="-1.53036653E11" B="4.7233536E7" C="-3644.4375" Error="0.00157"/>
<QuasiParabolic ID="2" StartDistance="6511.5" EndDistance="6543.0" A="0.0" B="495.57053" C="-0.03608221" Error="0.00854"/>
<QuasiParabolic ID="3" StartDistance="6543.0" EndDistance="6570.0" A="3.8982623E10" B="-1.2003964E7" C="924.0885" Error="0.00854"/>
<QuasiParabolic ID="4" StartDistance="6570.0" EndDistance="6573.0" A="-4.53230461E11" B="1.37832592E8" C="-10478.998" Error="0.00888"/>
<QuasiParabolic ID="5" StartDistance="6573.0" EndDistance="6578.0" A="1.22908836E13" B="-3.73988352E9" C="284494.06" Error="0.0313"/>
<QuasiParabolic ID="6" StartDistance="6578.0" EndDistance="6583.0" A="1.29766565E13" B="-3.94838835E9" C="300342.75" Error="0.016"/>
<QuasiParabolic ID="7" StartDistance="6583.0" EndDistance="6590.0" A="3.03264726E13" B="-9.2194857E9" C="700699.5" Error="0.0114"/>
<QuasiParabolic ID="8" StartDistance="6590.0" EndDistance="6601.0" A="2.46511368E13" B="-7.4970772E9" C="570016.0" Error="0.0299"/>
<QuasiParabolic ID="9" StartDistance="6601.0" EndDistance="6610.186" A="-6.6898058E13" B="2.02409001E10" C="-1531027.6" Error="0.00906"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="94.5" Depth="0.154"/>
<TopsideChapman PeakHeight="240.186" PeakDensity="137166.56" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
