<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-27 -147 01:55:00.000"
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: 50% PACIFIC flags: F2o cusp not found, One of F2 cusps was derived from the other, F2O model cusp does not fit trace</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.27 (147) 01:55:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" 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">
FF202614705270155001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.125" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.434" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.733" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.775" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.775" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.475" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="276.432" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="276.432" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.900" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="292.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.775" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.775" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="275.761" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="254.166" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.218" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="30.901" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.856" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.365" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="30.600" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.190" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="15">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
276.432 280.000 282.500 285.000 290.000 292.500 297.500 302.500 307.500 315.000 322.500 332.500 342.500 357.500 374.781
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-10.9375 -10.9375 -10.9375 -10.9375 -10.9375 -10.9375 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 -10.9375
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="430">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.303 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 184.606 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 221.909 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 275.761 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0
</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 0.350941 0.34979865 0.3485186 0.34703198 0.34541664 0.34353504 0.3415376 0.3392915 0.33694506 0.33430377 0.3315167 0.3285306 0.32529852 0.3218418 0.31818298 0.31428778 0.31013033 0.30572084 0.30104908 0.29606572 0.290859 0.28531343 0.2794398 0.27319476 0.26658294 0.25959304 0.2521148 0.24420089 0.23578373 0.22673295 0.2170997 0.20677976 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 0.20162657 0.20575492 0.20988329 0.21401164 0.21813999 0.22226834 0.2263967 0.23052505 0.23465341 0.23878177 0.24291012 0.24703847 0.25116682 0.2552952 0.25942352 0.2635519 0.26768023 0.2718086 0.27593696 0.2800653 0.28419366 0.288322 0.29245037 0.2965787 0.30070707 0.30483544 0.30896378 0.31309214 0.31722048 0.32134885 0.3254772 0.32960555 0.33373392 0.33786225 0.34199062 0.34611896 0.35024732 0.354 0.35666376 0.38678193 0.41843173 0.45162576 0.48638093 0.5227326 0.5607227 0.60039824 0.6418194 0.6850523 0.7301572 0.7772056 0.8262493 0.8773553 0.9305746 0.98595756 1.0435413 1.1033385 1.1653585 1.2295725 1.295934 1.3643816 1.4347945 1.5070207 1.5808761 1.656155 1.7325826 1.8098778 1.8876983 1.9657093 2.0435247 2.1207955 2.197119 2.27213 2.3454754 2.4168074 2.4858155 2.5522153 2.6157377 2.6761472 2.7332537 2.7868845 2.836898 2.8831449 2.9255478 2.9640043 2.9984457 3.0288253 3.0550907 3.0772104 3.095155 3.108908 3.1184509 3.123777 3.125 3.1249352 3.1232784 3.1194518 3.1135445 3.105646 3.0958462 3.0842354 3.0709026 3.0559363 3.0394244 3.0214524 3.0021057 2.9814665 2.9596164 2.9366343 2.9125972 2.8875797 2.861654 2.8348908 2.8073573 2.7791188 2.7502382 2.7207756 2.6907892 2.6603346 2.6294644 2.5982296 2.5666783 2.534857 2.5028093 2.4705765 2.4381986 2.4057128 2.3731544 2.3405569 2.307952 2.275369 2.2428362 2.2103796 2.1780238 2.145792 2.1137056 2.0817847 2.0500476 2.0185122 1.9871944 1.9561088 1.9252694 1.8946886 1.8643781 1.8343484 1.8046093 1.7751693 1.7460363 1.7172176 1.6887192 1.6605469 1.6327056 1.6051995 1.5780323 1.5512071 1.5247265 1.4985925 1.4728067 1.4473703 1.422284 1.3975481 1.3731626 1.3491272 1.325441 1.3021033 1.2791126 1.2564676 1.2341664 1.2122071 1.1905875 1.1693054 1.1483581 1.127743 1.1074573 1.0874981 1.0678622 1.0485464 1.0295476 1.0108624 0.9924872 0.97441864 0.9566531 0.93918705 0.92201674 0.90513843 0.8885485 0.8722431 0.8562185 0.8404709 0.8249965 0.8097914 0.79485184 0.780174 0.76575416 0.7515884 0.73767304 0.7240042 0.71057826 0.6973914 0.68443996 0.6717202 0.6592285 0.64696133 0.63491493 0.62308586 0.6114706 0.6000655 0.5888673 0.5778725 0.5670777 0.5564796 0.5460748 0.5358602 0.5258324 0.5159883 0.50632477 0.4968387 0.48752698 0.47838664 0.46941468 0.46060818 0.45196426 0.44348 0.43515268 0.42697948 0.41895765 0.41108456 0.40335754 0.39577398 0.3883313 0.381027 0.3738586 0.36682364 0.35991973 0.3531445 0.3464956 0.33997074 0.3335677 0.32728428 0.32111824 0.31506747 0.3091299 0.3033034 0.29758596 0.2919756 0.28647032 0.2810682 0.2757674 0.27056596 0.2654621 0.260454 0.25553992 0.25071812 0.24598685 0.24134447 0.23678932 0.23231979 0.22793429 0.22363125 0.21940914 0.21526647 0.21120173 0.20721349 0.20330034 0.19946085 0.19569366 0.19199741 0.1883708 0.18481249 0.18132123 0.17789578 0.17453487 0.17123733 0.16800195 0.16482757 0.16171305 0.15865727 0.15565911 0.15271752 0.14983141 0.14699976 0.14422154 0.14149575 0.1388214 0.13619752 0.13362317 0.1310974 0.12861933 0.12618804 0.123802654 0.12146231 0.11916616 0.11691336 0.11470312 0.11253462 0.11040707 0.108319715 0.10627178 0.104262546 0.102291256 0.10035721 0.09845971 0.09659806 0.09477159 0.09297962 0.09122152 0.089496635 0.087804355 0.086144045 0.084515125 0.08291698 0.081349045 0.079810746 0.07830152 0.07682082 0.075368114 0.07394286 0.07254455 0.07117268 0.06982673 0.06850623 0.0672107 0.06593965 0.06469264 0.063469194 0.06226889 0.061091274 0.059935924 0.058802415 0.05769034 0.056599293 0.05552887 0.05447869 0.053448368 0.052437525 0.051445797 0.050472822

</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="3.125" PeakHeight="275.761" Num="5" zHalfNm="254.166" Error="1.65">
-54.156 0.879 -1.052 0.577 -0.1
</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="6517.303" A="-1.09304758E11" B="3.3736036E7" C="-2602.9639" Error="0.00177"/>
<QuasiParabolic ID="2" StartDistance="6517.303" EndDistance="6554.606" A="0.0" B="552.5243" C="-0.04474078" Error="0.0111"/>
<QuasiParabolic ID="3" StartDistance="6554.606" EndDistance="6589.0" A="2.66385347E10" B="-8204168.0" C="631.6677" Error="0.0111"/>
<QuasiParabolic ID="4" StartDistance="6589.0" EndDistance="6590.0" A="-1.97797741E12" B="6.0026931E8" C="-45541.766" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6590.0" EndDistance="6596.0" A="5.781458E12" B="-1.75464282E9" C="133131.39" Error="0.0388"/>
<QuasiParabolic ID="6" StartDistance="6596.0" EndDistance="6605.0" A="4.8237553E12" B="-1.46425382E9" C="111118.88" Error="0.0283"/>
<QuasiParabolic ID="7" StartDistance="6605.0" EndDistance="6613.0" A="1.31466107E13" B="-3.98442189E9" C="301896.2" Error="0.00698"/>
<QuasiParabolic ID="8" StartDistance="6613.0" EndDistance="6630.0" A="1.07632195E13" B="-3.26360192E9" C="247395.95" Error="0.0326"/>
<QuasiParabolic ID="9" StartDistance="6630.0" EndDistance="6645.761" A="-2.34532142E13" B="7.0580977E9" C="-531012.75" Error="0.0113"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="111.909" Depth="0.154"/>
<TopsideChapman PeakHeight="275.761" PeakDensity="121161.6" PeakScaleHeight="16.365" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
