<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-21 -052 07:05:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 40% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, F2 cusps do not match, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.02.21 (052) 07:05:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.16" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.96" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="85.88234" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202605202210705001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.500" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.789" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.263" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.000" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.900" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="220.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="220.000" 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="0.450" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.425" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="271.168" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.000" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.000" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="238.076" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="217.642" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.441" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="29.304" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.000" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="15.380" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="29.100" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.140" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="61">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 2.025 2.05 2.075 2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 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 3.5
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
220.000 230.000 220.000 230.000 222.500 225.000 227.500 227.500 227.500 230.000 232.500 230.833 229.167 227.500 228.750 230.000 230.909 231.818 232.727 233.636 234.545 235.455 236.364 237.273 238.182 239.091 240.000 240.909 241.818 242.727 243.636 244.545 245.455 246.364 247.273 248.182 249.091 250.000 250.000 250.000 250.000 252.500 252.500 252.500 255.000 262.500 262.500 257.500 260.000 262.500 265.000 267.500 267.500 267.828 268.262 268.861 269.743 271.168 273.864 280.899 345.926
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 69 69 57 66 78 81 81 78 66 63 54 54 48 48 75 75 81 84 69 66 66 63 72 72 66 69 72 69 72 69 54 48 42 0 57 0 60 63 75 75 90 84 84 90 105 102 93 93 87 93 108 108 108 108 105 96 0 0 78 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 -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="382">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 135.66667 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 161.33333 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 238.076 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0
</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 0.353812 0.35324875 0.3523882 0.35108605 0.34949994 0.34749252 0.3450799 0.34228173 0.3391207 0.33555436 0.33154994 0.32708573 0.3222145 0.31684378 0.31099588 0.3045735 0.29760364 0.290026 0.28171796 0.27274016 0.2629728 0.2523031 0.24063194 0.22781542 0.21374473 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 0.204 0.21 0.216 0.222 0.228 0.234 0.24 0.246 0.252 0.258 0.264 0.27 0.276 0.282 0.288 0.294 0.3 0.306 0.312 0.318 0.324 0.33 0.336 0.342 0.348 0.354 0.38629478 0.4212869 0.45907438 0.49973312 0.54332757 0.58989775 0.6394755 0.69208246 0.7476958 0.8063234 0.86790484 0.93240595 0.99972415 1.0697984 1.1424975 1.2177162 1.2952713 1.3750353 1.4568095 1.5403785 1.6255379 1.7120303 1.7996336 1.888069 1.9770454 2.066281 2.1554728 2.2443066 2.3324537 2.4196064 2.5054464 2.5896258 2.671834 2.7517493 2.8290565 2.9034443 2.9746094 3.0422714 3.1061366 3.1659708 3.2215066 3.2725255 3.3188007 3.3601635 3.3964198 3.427423 3.4530535 3.4731972 3.4877698 3.496711 3.4999835 3.5 3.498782 3.4947917 3.4881413 3.4789515 3.4673436 3.453439 3.4373581 3.4192204 3.3991437 3.3772438 3.3536339 3.3284252 3.3017263 3.273642 3.244275 3.2137241 3.1820848 3.149449 3.115906 3.0815403 3.046434 3.0106652 2.9743083 2.937435 2.9001124 2.8624055 2.8243756 2.7860804 2.7475748 2.7089107 2.6701372 2.6313 2.5924428 2.5536058 2.5148275 2.4761434 2.4375865 2.3991883 2.3609774 2.3229806 2.2852228 2.2477267 2.2105136 2.1736028 2.1370122 2.100758 2.0648553 2.029317 1.9941554 1.9593816 1.925005 1.8910344 1.8574773 1.8243403 1.7916291 1.7593485 1.7275025 1.6960944 1.6651267 1.6346011 1.6045192 1.5748816 1.5456883 1.5169389 1.4886329 1.4607687 1.433345 1.4063594 1.3798099 1.3536936 1.3280077 1.3027489 1.2779138 1.2534986 1.2294996 1.2059126 1.1827335 1.1599579 1.1375812 1.1155989 1.0940063 1.0727986 1.051971 1.0315182 1.0114356 0.99171805 0.97236043 0.9533576 0.9347045 0.91639596 0.89842683 0.88079196 0.86348623 0.8465045 0.8298417 0.81349266 0.7974524 0.7817158 0.76627797 0.7511338 0.73627853 0.72170717 0.70741487 0.69339687 0.67964846 0.6661649 0.6529415 0.6399738 0.62725717 0.61478716 0.6025593 0.5905693 0.57881284 0.56728566 0.55598354 0.5449024 0.5340381 0.5233868 0.5129443 0.5027069 0.49267066 0.4828319 0.47318685 0.46373186 0.4544634 0.44537786 0.4364718 0.4277418 0.4191845 0.41079658 0.40257484 0.39451605 0.38661706 0.37887484 0.3712863 0.36384854 0.3565586 0.34941357 0.3424107 0.33554724 0.32882038 0.32222754 0.31576607 0.30943337 0.30322698 0.29714438 0.29118317 0.28534093 0.27961537 0.27400413 0.26850504 0.2631158 0.2578343 0.2526584 0.24758601 0.24261507 0.2377436 0.23296963 0.2282912 0.22370642 0.21921346 0.21481048 0.2104957 0.20626734 0.20212372 0.19806314 0.19408394 0.1901845 0.18636325 0.18261862 0.17894909 0.17535314 0.17182933 0.1683762 0.16499236 0.1616764 0.158427 0.1552428 0.1521225 0.14906484 0.14606856 0.14313242 0.14025524 0.13743582 0.13467303 0.1319657 0.12931275 0.12671308 0.12416562 0.12166932 0.11922318 0.11682617 0.114477314 0.11217564 0.10992022 0.10771011 0.10554441 0.103422225 0.101342686 0.09930493 0.09730813 0.09535146 0.0934341 0.09155529 0.08971424 0.08791019 0.0861424 0.084410146 0.08271271 0.08104939 0.07941951 0.077822395 0.076257385 0.07472384 0.07322112 0.071748614 0.070305705 0.068891816 0.06750634 0.066148736 0.06481841 0.06351484 0.062237486 0.060985807 0.0597593 0.05855745 0.05737977 0.05622577 0.055094972 0.053986914 0.052901138 0.051837195 0.050794646

</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="3.5" PeakHeight="238.076" Num="5" zHalfNm="217.642" Error="0.842">
-51.828 1.035 -0.256 -0.014 -0.013
</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="6505.667" A="-2.30120505E11" B="7.1024848E7" C="-5480.187" Error="0.00139"/>
<QuasiParabolic ID="2" StartDistance="6505.667" EndDistance="6531.333" A="0.0" B="-2133.7192" C="0.36799005" Error="0.0325"/>
<QuasiParabolic ID="3" StartDistance="6531.333" EndDistance="6554.0" A="1.0484319E11" B="-3.2184374E7" C="2469.986" Error="0.0325"/>
<QuasiParabolic ID="4" StartDistance="6554.0" EndDistance="6555.0" A="-3.07143036E12" B="9.3707821E8" C="-71474.37" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6555.0" EndDistance="6567.0" A="6.7365718E12" B="-2.05544717E9" C="156788.44" Error="0.028"/>
<QuasiParabolic ID="6" StartDistance="6567.0" EndDistance="6580.0" A="1.63243025E13" B="-4.9754199E9" C="379110.1" Error="0.015"/>
<QuasiParabolic ID="7" StartDistance="6580.0" EndDistance="6595.0" A="9.9532396E12" B="-3.03892685E9" C="231960.17" Error="0.027"/>
<QuasiParabolic ID="8" StartDistance="6595.0" EndDistance="6608.076" A="-3.41730562E13" B="1.03428157E10" C="-782576.8" Error="0.00885"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="77.0" Depth="0.154"/>
<TopsideChapman PeakHeight="238.076" PeakDensity="151985.11" PeakScaleHeight="15.38" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
