<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-27 -086 23:00:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 85% PACIFIC flags: Multiple candidates for F2x cusp, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.27 (086) 23:00:00</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">
FF202608603272300001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.225" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.630" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="18.969" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="4.725" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="4.725" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.525" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="270.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="270.000" 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="5.000" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="280.492" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="4.725" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="4.725" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="258.067" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="239.673" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="7.780" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="26.622" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.002" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.865" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="26.340" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.090" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="21">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95 4.975 5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
270.000 272.500 272.500 270.000 271.250 272.500 275.000 275.000 276.101 277.358 278.806 280.492 282.479 284.858 287.756 291.364 295.979 302.091 310.571 323.123 343.608
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 69 78 78 0 78 99 102 0 99 0 0 0 102 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 -10.9375 -1.5625 -1.5625 -1.5625 4.6875
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="398">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.21967 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 174.43933 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 206.659 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 258.067 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0
</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 0.35220242 0.3511248 0.34983346 0.34833366 0.3466316 0.34466267 0.34243762 0.33989906 0.33720082 0.33415264 0.33091018 0.32736257 0.32347578 0.31934586 0.31488785 0.3101476 0.30501133 0.29955053 0.2936689 0.28740296 0.28070262 0.2735702 0.26591864 0.257711 0.2488909 0.23938964 0.22919603 0.21816199 0.20627865 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 0.20267981 0.20745951 0.21223919 0.21701889 0.22179857 0.22657827 0.23135795 0.23613764 0.24091733 0.24569702 0.25047672 0.25525638 0.26003608 0.26481578 0.26959547 0.27437514 0.27915484 0.28393453 0.28871423 0.2934939 0.2982736 0.3030533 0.307833 0.31261268 0.31739235 0.32217205 0.32695174 0.33173144 0.3365111 0.3412908 0.3460705 0.3508502 0.354 0.3665982 0.40585178 0.4486396 0.49509242 0.54530656 0.59939694 0.65746754 0.7196268 0.7859844 0.8566309 0.93166894 1.011183 1.0952523 1.1839458 1.2773014 1.3753374 1.478061 1.5854334 1.6973926 1.8138205 1.9345776 2.0594697 2.1882432 2.3206286 2.4562392 2.5946858 2.7355208 2.878255 3.0223124 3.167106 3.31199 3.4563355 3.5993972 3.7405362 3.8789797 4.0140624 4.1450677 4.2712593 4.392005 4.506641 4.614566 4.715181 4.8079557 4.8924007 4.96806 5.034553 5.091522 5.138676 5.175758 5.2025847 5.2190185 5.2249765 5.225 5.222722 5.215373 5.203186 5.186408 5.165286 5.1400666 5.1109943 5.0783095 5.0422487 5.0030446 4.9609227 4.9161024 4.8687973 4.8192124 4.767547 4.7139916 4.6587286 4.601933 4.543772 4.484405 4.4239826 4.3626485 4.3005385 4.237781 4.1744967 4.1108 4.046797 3.9825883 3.918268 3.8539236 3.7896369 3.7254834 3.6615338 3.5978534 3.5345025 3.4715364 3.4090064 3.346959 3.285437 3.2244794 3.1641212 3.1043944 3.0453274 2.9869463 2.9292734 2.872329 2.8161306 2.7606936 2.706031 2.6521537 2.5990713 2.5467904 2.4953172 2.444656 2.3948092 2.3457785 2.2975638 2.2501647 2.203579 2.1578038 2.1128354 2.0686693 2.0253003 1.9827225 1.9409293 1.8999135 1.8596678 1.8201841 1.781454 1.7434688 1.7062193 1.6696965 1.6338905 1.5987917 1.5643902 1.5306758 1.4976383 1.4652675 1.433553 1.4024842 1.3720509 1.3422424 1.3130482 1.2844582 1.2564614 1.2290478 1.202207 1.1759285 1.1502023 1.1250181 1.1003659 1.0762359 1.0526179 1.0295024 1.0068798 0.9847403 0.96307474 0.9418737 0.9211281 0.9008288 0.88096696 0.8615338 0.84252065 0.82391906 0.80572057 0.78791696 0.7705002 0.7534622 0.7367952 0.72049147 0.7045435 0.6889438 0.67368513 0.65876025 0.6441622 0.629884 0.61591893 0.60226035 0.5889017 0.57583666 0.56305885 0.5505622 0.5383407 0.52638835 0.5146994 0.5032682 0.49208918 0.48115686 0.47046593 0.46001112 0.44978735 0.4397896 0.4300129 0.4204525 0.41110367 0.40196174 0.39302227 0.38428077 0.37573293 0.36737454 0.3592014 0.3512095 0.3433948 0.33575344 0.3282816 0.3209756 0.31383175 0.30684647 0.30001628 0.29333776 0.2868076 0.28042245 0.2741792 0.26807463 0.26210576 0.2562695 0.25056303 0.24498338 0.23952778 0.2341935 0.22897784 0.22387818 0.21889193 0.21401662 0.20924975 0.20458893 0.20003182 0.19557609 0.19121952 0.1869599 0.18279509 0.17872298 0.17474149 0.17084864 0.16704245 0.16332097 0.15968236 0.15612476 0.15264636 0.14924541 0.1459202 0.14266902 0.13949026 0.13638227 0.1333435 0.1303724 0.12746748 0.12462726 0.1218503 0.119135186 0.11648055 0.113885045 0.111347355 0.1088662 0.106440306 0.10406846 0.10174944 0.0994821 0.09726526 0.0950978 0.09297864 0.090906695 0.088880904 0.08690025 0.084963724 0.083070345 0.081219144 0.0794092 0.07763958 0.07590938 0.074217744 0.0725638 0.07094671 0.06936564 0.06781981 0.066308424 0.06483071 0.06338593 0.061973345 0.060592238 0.059241902 0.05792166 0.056630835 0.055368774 0.05413484 0.0529284 0.051748846 0.050595574

</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="5.225" PeakHeight="258.067" Num="5" zHalfNm="239.673" Error="0.337">
-51.348 0.03 -0.173 0.131 -0.048
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="6512.22" A="-1.4630758E11" B="4.515666E7" C="-3484.185" Error="0.0016"/>
<QuasiParabolic ID="2" StartDistance="6512.22" EndDistance="6544.439" A="0.0" B="-3488.866" C="0.57576513" Error="0.0665"/>
<QuasiParabolic ID="3" StartDistance="6544.439" EndDistance="6577.0" A="1.01317575E11" B="-3.100757E7" C="2372.453" Error="0.0665"/>
<QuasiParabolic ID="4" StartDistance="6577.0" EndDistance="6578.0" A="4.5014231E13" B="-1.3688576E10" C="1040654.94" Error="1.73E-9"/>
<QuasiParabolic ID="5" StartDistance="6578.0" EndDistance="6580.0" A="-7.9718966E12" B="2.42152678E9" C="-183889.16" Error="0.0504"/>
<QuasiParabolic ID="6" StartDistance="6580.0" EndDistance="6587.0" A="1.28654078E13" B="-3.91200026E9" C="297381.9" Error="0.0305"/>
<QuasiParabolic ID="7" StartDistance="6587.0" EndDistance="6616.0" A="3.49700243E13" B="-1.06235894E10" C="806839.06" Error="0.0689"/>
<QuasiParabolic ID="8" StartDistance="6616.0" EndDistance="6628.067" A="-9.4918417E13" B="2.86413558E10" C="-2160584.2" Error="0.00969"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="96.659" Depth="0.154"/>
<TopsideChapman PeakHeight="258.067" PeakDensity="338717.44" PeakScaleHeight="13.865" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
