<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-22 -081 00:30:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: 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) 00:30:00</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">
FF202608103220030001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.475" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.578" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.435" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.350" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.350" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.725" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.425" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="302.959" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.350" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.350" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="251.533" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="229.552" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.091" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="31.427" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.054" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.455" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="30.640" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.230" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="46">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.4 3.425 3.45 3.475
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
235.000 235.000 235.000 237.500 237.500 237.500 240.000 241.250 242.500 243.750 245.000 246.250 247.500 248.750 250.000 251.250 252.500 253.750 255.000 256.250 257.500 258.750 260.000 261.250 262.500 263.750 265.000 266.250 267.500 272.500 272.500 273.750 275.000 280.000 282.500 282.500 285.000 287.500 289.405 291.519 293.880 296.532 299.534 302.959 306.905 311.498
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 87 87 75 75 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 96 0 0 96 0 99 96 96 96 90 93 90 93 93 90 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 -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="413">
<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 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 197.5 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 251.533 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0
</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 0.37535876 0.41350362 0.4494623 0.48508516 0.52129227 0.5586666 0.59765947 0.6386665 0.68202126 0.7280641 0.77710456 0.8294273 0.8852768 0.94486696 1.0083269 1.0756809 1.146852 1.2216493 1.2997856 1.3808384 1.4643512 1.5497952 1.6366462 1.7244039 1.8126068 1.9008174 1.988683 2.0758626 2.1620812 2.2471035 2.3307045 2.4126992 2.4929035 2.5711584 2.6473014 2.7211723 2.792626 2.861482 2.927593 2.9907901 3.0509026 3.1077585 3.1611784 3.2109888 3.256994 3.299041 3.3369415 3.3705375 3.3996785 3.4242187 3.4440427 3.4590433 3.4691448 3.4742918 3.475 3.4747283 3.4723532 3.467613 3.4606051 3.451428 3.44018 3.4269595 3.411864 3.3949902 3.3764331 3.3562875 3.3346448 3.311596 3.287229 3.2616303 3.2348838 3.2070704 3.178269 3.1485562 3.1180058 3.0866883 3.0546722 3.0220237 2.9888055 2.955078 2.920899 2.8863235 2.8514047 2.8161922 2.7807343 2.7450762 2.7092607 2.6733286 2.6373188 2.6012678 2.5652096 2.5291767 2.4931998 2.4573076 2.4215267 2.3858824 2.350398 2.3150957 2.279996 2.2451172 2.2104778 2.1760936 2.1419795 2.1081498 2.0746167 2.041392 2.0084863 1.9759092 1.9436694 1.9117746 1.8802317 1.8490472 1.8182261 1.7877735 1.7576932 1.7279888 1.6986631 1.6697185 1.6411567 1.6129789 1.5851862 1.5577788 1.530757 1.50412 1.4778675 1.4519984 1.4265112 1.4014045 1.3766763 1.3523245 1.3283468 1.3047408 1.2815037 1.2586324 1.236124 1.2139754 1.1921831 1.1707438 1.1496539 1.1289097 1.1085074 1.0884434 1.0687135 1.049314 1.0302409 1.01149 0.99305737 0.9749388 0.95713025 0.9396275 0.9224264 0.9055228 0.8889126 0.8725915 0.8565554 0.8408001 0.8253215 0.8101155 0.79517794 0.7805047 0.7660918 0.75193524 0.73803085 0.72437483 0.71096313 0.6977918 0.68485713 0.6721552 0.65968215 0.6474343 0.6354079 0.62359935 0.61200494 0.6006211 0.5894443 0.57847095 0.5676977 0.55712116 0.54673785 0.5365445 0.52653784 0.51671463 0.5070717 0.49760586 0.48831406 0.47919324 0.47024038 0.46145257 0.45282683 0.4443603 0.43605018 0.42789364 0.419888 0.41203055 0.4043186 0.39674956 0.38932085 0.38202998 0.37487444 0.36785176 0.3609596 0.35419554 0.34755725 0.3410425 0.33464897 0.3283745 0.32221693 0.31617406 0.31024387 0.30442426 0.29871318 0.29310867 0.28760877 0.28221157 0.27691516 0.2717177 0.26661733 0.26161233 0.25670087 0.25188124 0.24715178 0.2425108 0.23795664 0.23348773 0.22910245 0.22479929 0.2205767 0.2164332 0.21236733 0.20837761 0.20446266 0.20062107 0.19685149 0.19315258 0.18952301 0.18596151 0.18246679 0.17903762 0.17567275 0.17237103 0.16913123 0.16595224 0.1628329 0.1597721 0.15676874 0.15382175 0.15093009 0.1480927 0.1453086 0.14257677 0.13989623 0.13726602 0.13468522 0.13215289 0.12966812 0.12723002 0.12483771 0.12249035 0.12018708 0.1179271 0.115709566 0.1135337 0.11139872 0.10930386 0.107248366 0.10523149 0.10325253 0.10131076 0.09940548 0.09753601 0.09570168 0.093901835 0.09213581 0.09040299 0.088702746 0.08703446 0.085397534 0.08379138 0.08221543 0.0806691 0.07915185 0.077663116 0.07620238 0.07476911 0.07336278 0.071982905 0.07062897 0.069300495 0.067997 0.06671802 0.06546308 0.06423175 0.06302357 0.06183811 0.060674943 0.059533652 0.058413822 0.057315055 0.05623695 0.05517912 0.054141182 0.053122766 0.052123506 0.05114304 0.05018101

</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="3.475" PeakHeight="251.533" Num="5" zHalfNm="229.552" Error="1.523">
-54.978 1.32 -0.701 -0.131 0.457
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="13" 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="25.405949" C="0.03611431" Error="4.35E-4"/>
<QuasiParabolic ID="3" StartDistance="6538.333" EndDistance="6539.0" A="4.38712821E12" B="-1.34198323E9" C="102625.21" Error="1.09E-9"/>
<QuasiParabolic ID="4" StartDistance="6539.0" EndDistance="6541.0" A="-6.9725389E11" B="2.13111424E8" C="-16284.006" Error="0.0172"/>
<QuasiParabolic ID="5" StartDistance="6541.0" EndDistance="6564.0" A="7.3972015E10" B="-2.2701404E7" C="1741.742" Error="0.0185"/>
<QuasiParabolic ID="6" StartDistance="6564.0" EndDistance="6566.0" A="-7.3788745E11" B="2.24665888E8" C="-17100.984" Error="0.00134"/>
<QuasiParabolic ID="7" StartDistance="6566.0" EndDistance="6569.0" A="9.479666E12" B="-2.88759526E9" C="219897.27" Error="0.0195"/>
<QuasiParabolic ID="8" StartDistance="6569.0" EndDistance="6570.0" A="-3.06835672E12" B="9.3278003E8" C="-70890.92" Error="8.51E-11"/>
<QuasiParabolic ID="9" StartDistance="6570.0" EndDistance="6578.0" A="4.7967015E12" B="-1.46145382E9" C="111318.664" Error="0.0135"/>
<QuasiParabolic ID="10" StartDistance="6578.0" EndDistance="6596.0" A="1.6381928E13" B="-4.98387E9" C="379060.8" Error="0.0198"/>
<QuasiParabolic ID="11" StartDistance="6596.0" EndDistance="6610.0" A="-7.689122E11" B="2.16506128E8" C="-15145.957" Error="0.0126"/>
<QuasiParabolic ID="12" StartDistance="6610.0" EndDistance="6621.533" A="-3.06356767E13" B="9.2533484E9" C="-698719.5" Error="0.00446"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="87.5" Depth="0.154"/>
<TopsideChapman PeakHeight="251.533" PeakDensity="149821.66" PeakScaleHeight="16.455" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
