<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-24 -083 04:05:00.000"
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: 75% PACIFIC flags: Multiple candidates for F2x cusp, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.24 (083) 04:05:00</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">
FF202608303240405001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.365" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.937" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.750" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.750" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.550" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="290.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="290.000" 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="3.125" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="323.746" 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="282.388" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="258.351" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.955" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="34.442" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.020" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="17.997" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="34.860" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.000" 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" >
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" >
290.000 292.500 293.750 295.000 296.875 298.750 300.625 302.500 304.375 306.250 308.125 310.000 313.750 317.500 320.000 323.746 327.879 332.464 337.578 343.318 349.807
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 42 0 42 0 0 0 0 0 0 0 90 0 90 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 4.6875 -1.5625 -7.8125 1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="463">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.00667 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 184.01334 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 221.02 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 282.388 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0
</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 0.35362422 0.35321164 0.35265058 0.35186794 0.35086685 0.34972504 0.34844565 0.34695974 0.34527344 0.34339368 0.3413282 0.33908543 0.33660662 0.3339719 0.33112627 0.32808504 0.3248016 0.32129765 0.3175367 0.31360543 0.30936188 0.30490303 0.30011374 0.29507872 0.28973985 0.28408727 0.2780517 0.27168715 0.26493147 0.2577979 0.25014982 0.24197109 0.23332275 0.22411343 0.21417606 0.20362708 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 0.2 0.2 0.2 0.2 0.2 0.20410593 0.20826735 0.21242875 0.21659017 0.22075158 0.22491299 0.2290744 0.2332358 0.23739722 0.24155864 0.24572004 0.24988146 0.25404286 0.25820428 0.2623657 0.26652712 0.27068853 0.27484995 0.27901134 0.28317276 0.28733417 0.2914956 0.295657 0.2998184 0.3039798 0.30814123 0.31230265 0.31646407 0.32062548 0.32478687 0.3289483 0.3331097 0.33727112 0.34143254 0.34559396 0.34975535 0.35391676 0.354 0.3816405 0.41041777 0.44003826 0.47072184 0.5026395 0.53593034 0.57072276 0.6071184 0.6452125 0.6850776 0.7267641 0.7703189 0.8157611 0.86308193 0.9122691 0.96328753 1.0160711 1.0705422 1.1266283 1.1842113 1.2431879 1.3034434 1.3648524 1.4272871 1.4906158 1.5547243 1.6194844 1.6847564 1.7504365 1.8163811 1.8824883 1.9486353 2.0146904 2.0805311 2.146057 2.2111285 2.275614 2.3393974 2.4023404 2.4642956 2.5251272 2.5847 2.6428285 2.6993802 2.7541769 2.807053 2.8578255 2.9063208 2.9523432 2.9957182 3.0362568 3.0737832 3.108109 3.1390655 3.166491 3.1902328 3.2101612 3.2261536 3.2381177 3.2459779 3.2496853 3.25 3.2496357 3.2475016 3.2435186 3.237757 3.2302866 3.2211778 3.2105012 3.1983263 3.184723 3.1697595 3.153504 3.1360233 3.1173832 3.0976481 3.0768812 3.0551438 3.0324967 3.008998 2.9847047 2.9596722 2.933954 2.9076023 2.8806667 2.8531961 2.8252368 2.796834 2.7680306 2.7388682 2.7093868 2.6796246 2.6496174 2.6194007 2.5890079 2.5584705 2.5278187 2.4970813 2.466286 2.4354584 2.4046235 2.3738043 2.343023 2.3123007 2.2816567 2.2511098 2.2206771 2.1903756 2.1602201 2.1302252 2.1004043 2.07077 2.041334 2.0121071 1.9830996 1.9543205 1.9257786 1.8974819 1.8694375 1.841652 1.8141316 1.7868817 1.7599071 1.7332125 1.7068015 1.6806779 1.6548444 1.6293038 1.6040584 1.5791098 1.5544597 1.5301093 1.5060593 1.4823104 1.4588628 1.4357165 1.4128714 1.3903269 1.3680824 1.3461372 1.32449 1.3031396 1.2820847 1.2613237 1.2408549 1.2206765 1.2007865 1.181183 1.1618636 1.1428261 1.1240683 1.1055875 1.0873815 1.0694475 1.051783 1.0343852 1.0172514 1.0003788 0.98376477 0.9674062 0.9513003 0.93544424 0.919835 0.9044696 0.88934517 0.8744587 0.8598072 0.8453877 0.83119726 0.8172328 0.8034915 0.7899702 0.77666605 0.7635761 0.7506974 0.7380269 0.7255619 0.7132994 0.7012364 0.6893703 0.677698 0.6662169 0.65492404 0.6438167 0.6328922 0.62214774 0.6115806 0.60118824 0.5909679 0.58091694 0.5710329 0.5613131 0.5517551 0.54235625 0.53311425 0.5240266 0.51509076 0.50630456 0.49766546 0.4891712 0.48081952 0.47260812 0.46453473 0.45659718 0.4487933 0.4411209 0.43357787 0.42616212 0.41887164 0.41170433 0.4046582 0.3977313 0.39092165 0.38422737 0.37764657 0.37117732 0.36481786 0.3585663 0.352421 0.34638003 0.3404418 0.33460453 0.32886657 0.32322627 0.31768203 0.3122322 0.30687526 0.3016096 0.29643375 0.29134616 0.28634536 0.28142995 0.27659842 0.27184942 0.26718155 0.26259342 0.2580837 0.25365108 0.24929427 0.24501196 0.2408029 0.23666586 0.23259963 0.22860299 0.22467479 0.22081384 0.21701904 0.21328922 0.2096233 0.20602022 0.20247887 0.19899824 0.19557726 0.19221495 0.18891029 0.18566231 0.18247004 0.17933254 0.17624886 0.17321809 0.17023933 0.1673117 0.16443431 0.16160633 0.15882687 0.15609516 0.15341035 0.15077162 0.14817823 0.14562938 0.1431243 0.14066225 0.1382425 0.13586432 0.13352701 0.13122985 0.12897216 0.12675327 0.124572515 0.122429244 0.1203228 0.11825257 0.11621792 0.11421825 0.11225295 0.11032145 0.10842314 0.10655748 0.10472389 0.102921836 0.101150766 0.09941015 0.09769946 0.096018195 0.09436584 0.092741914 0.09114591 0.089577354 0.08803578 0.08652072 0.08503172 0.083568335 0.08213012 0.08071664 0.07932749 0.07796222 0.07662045 0.07530176 0.07400575 0.072732046 0.07148025 0.07025 0.06904091 0.067852624 0.06668478 0.065537035 0.06440904 0.063300446 0.062210936 0.06114017 0.06008783 0.059053596 0.05803716 0.057038218 0.056056462 0.0550916 0.054143347 0.05321141 0.05229551 0.05139537 0.050510727

</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="282.388" Num="5" zHalfNm="258.351" Error="0.605">
-60.884 -0.925 0.632 -0.4 0.209
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" 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="6517.007" A="-1.1105416E11" B="3.4275976E7" C="-2644.626" Error="0.00177"/>
<QuasiParabolic ID="2" StartDistance="6517.007" EndDistance="6554.013" A="0.0" B="-259.31445" C="0.07982466" Error="0.00647"/>
<QuasiParabolic ID="3" StartDistance="6554.013" EndDistance="6586.0" A="3.6549505E10" B="-1.1221769E7" C="861.3612" Error="0.00647"/>
<QuasiParabolic ID="4" StartDistance="6586.0" EndDistance="6588.0" A="-9.6198866E11" B="2.92008768E8" C="-22159.48" Error="0.00337"/>
<QuasiParabolic ID="5" StartDistance="6588.0" EndDistance="6597.0" A="3.49900584E12" B="-1.06227002E9" C="80624.28" Error="0.0675"/>
<QuasiParabolic ID="6" StartDistance="6597.0" EndDistance="6638.0" A="7.3291729E12" B="-2.22345472E9" C="168632.81" Error="0.0777"/>
<QuasiParabolic ID="7" StartDistance="6638.0" EndDistance="6652.388" A="-2.33364406E13" B="7.0159585E9" C="-527315.75" Error="0.0101"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="111.02" Depth="0.154"/>
<TopsideChapman PeakHeight="282.388" PeakDensity="131048.39" PeakScaleHeight="17.997" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
