<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-07 -127 02:40:00.000"
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 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 95% PACIFIC flags: Multiple candidates for F2o cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.07 (127) 02:40:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.21" 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">
FF202612705070240001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.200" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.616" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.571" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.050" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.050" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.625" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="280.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="280.000" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.050" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="280.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.050" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.050" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="265.045" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="248.289" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.914" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="23.998" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.698" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="12.584" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="24.180" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.040" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="7">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
3.05 3.075 3.1 3.125 3.15 3.175 3.2
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
280.000 285.000 292.144 300.023 308.757 318.493 329.416
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
87 87 0 0 87 90 87
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="364">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.47667 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 184.95334 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 222.43 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 265.045 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0
</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 0.35369936 0.35321155 0.35265046 0.35186782 0.3509409 0.34987223 0.3485916 0.34710422 0.34548807 0.3436766 0.3416772 0.33942887 0.33708012 0.33450317 0.33171195 0.32872143 0.3255474 0.3221451 0.31853682 0.3146589 0.31054395 0.30619884 0.30160967 0.29669788 0.29155135 0.2860529 0.2802124 0.27406332 0.2675177 0.26062745 0.25325623 0.24542902 0.2371329 0.22824857 0.21875882 0.20861 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 0.20019177 0.20430098 0.2084102 0.21251944 0.21662866 0.22073787 0.22484711 0.22895633 0.23306555 0.23717478 0.241284 0.24539322 0.24950245 0.25361168 0.2577209 0.26183012 0.26593935 0.27004856 0.2741578 0.278267 0.28237623 0.28648546 0.29059467 0.2947039 0.29881313 0.30292234 0.30703157 0.3111408 0.31525 0.31935924 0.32346848 0.32757768 0.3316869 0.33579615 0.33990535 0.34401459 0.34812382 0.35223302 0.354 0.3764298 0.41705826 0.45975614 0.5049192 0.5528797 0.60391474 0.65824413 0.7160325 0.77741534 0.84245646 0.9111654 0.98349476 1.0593388 1.1385161 1.2208043 1.3059686 1.3936676 1.4835901 1.575361 1.6686087 1.7629303 1.8579222 1.953147 2.0481982 2.1426294 2.235998 2.3278441 2.4176867 2.5050547 2.5894628 2.6704192 2.7474127 2.819939 2.8875003 2.949594 3.0057611 3.05553 3.098499 3.134276 3.1625407 3.1830354 3.195559 3.1999912 3.2 3.1982288 3.1927042 3.1836233 3.1711884 3.1556017 3.1370645 3.1157753 3.0919294 3.0657172 3.0373247 3.0069318 2.9747124 2.940834 2.9054577 2.8687365 2.8308175 2.79184 2.7519362 2.7112315 2.6698437 2.6278841 2.5854573 2.542661 2.4995868 2.4563203 2.4129403 2.3695211 2.3261309 2.2828324 2.2396839 2.196739 2.154046 2.11165 2.0695915 2.0279074 1.986631 1.9457923 1.905418 1.865532 1.8261554 1.787307 1.7490027 1.7112565 1.6740804 1.6374842 1.6014762 1.5660628 1.5312492 1.4970387 1.463434 1.4304359 1.3980446 1.366259 1.3350775 1.3044972 1.2745148 1.245126 1.2163264 1.1881104 1.1604724 1.133406 1.1069049 1.080962 1.0555699 1.0307212 1.0064082 0.9826229 0.9593572 0.9366028 0.91435134 0.89259446 0.8713236 0.85053015 0.83020556 0.81034136 0.7909288 0.7719594 0.75342464 0.735316 0.717625 0.70034343 0.68346286 0.66697514 0.6508721 0.6351457 0.6197881 0.6047914 0.59014785 0.5758499 0.56188995 0.5482606 0.5349548 0.5219651 0.5092847 0.4969065 0.48482382 0.47302997 0.46151844 0.45028272 0.4393166 0.42861384 0.4181684 0.40797433 0.3980258 0.38831717 0.37884277 0.36959717 0.36057502 0.3517711 0.3431802 0.33479738 0.3266177 0.31863633 0.3108486 0.30324993 0.29583576 0.28860176 0.2815436 0.2746571 0.26793814 0.2613827 0.25498688 0.24874686 0.24265885 0.23671924 0.23092444 0.22527096 0.21975538 0.21437441 0.20912476 0.20400326 0.19900683 0.19413243 0.1893771 0.18473797 0.1802122 0.17579705 0.17148983 0.16728793 0.16318879 0.1591899 0.15528883 0.1514832 0.14777067 0.14414899 0.14061595 0.13716938 0.13380718 0.13052729 0.12732768 0.12420643 0.12116161 0.118191354 0.11529384 0.11246729 0.10970998 0.10702021 0.104396336 0.10183673 0.09933985 0.09690414 0.09452812 0.092210315 0.08994931 0.087743714 0.085592166 0.08349335 0.081445985 0.07944879 0.07750055 0.075600065 0.07374617 0.07193771 0.070173584 0.06845271 0.06677402 0.065136485 0.063539095 0.061980873 0.06046085 0.058978096 0.057531696 0.056120757 0.05474442 0.053401824 0.05209215 0.050814588

</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="3.2" PeakHeight="265.045" Num="5" zHalfNm="248.289" Error="0.444">
-42.34 -0.407 0.145 -0.099 0.086
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="11" 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="6517.477" A="-1.08297183E11" B="3.3425056E7" C="-2578.9685" Error="0.00177"/>
<QuasiParabolic ID="2" StartDistance="6517.477" EndDistance="6554.953" A="0.0" B="1047.9685" C="-0.12075573" Error="0.022"/>
<QuasiParabolic ID="3" StartDistance="6554.953" EndDistance="6590.0" A="2.05357793E10" B="-6346719.5" C="490.33325" Error="0.022"/>
<QuasiParabolic ID="4" StartDistance="6590.0" EndDistance="6591.0" A="-1.87506622E12" B="5.6894982E8" C="-43158.87" Error="6.15E-11"/>
<QuasiParabolic ID="5" StartDistance="6591.0" EndDistance="6594.0" A="1.0901513E13" B="-3.3080279E9" C="250952.61" Error="0.0188"/>
<QuasiParabolic ID="6" StartDistance="6594.0" EndDistance="6596.0" A="5.1733122E12" B="-1.57062989E9" C="119211.79" Error="0.00222"/>
<QuasiParabolic ID="7" StartDistance="6596.0" EndDistance="6599.0" A="6.8068568E12" B="-2.06594355E9" C="156758.31" Error="0.00752"/>
<QuasiParabolic ID="8" StartDistance="6599.0" EndDistance="6620.0" A="1.73125822E13" B="-5.2499794E9" C="398009.7" Error="0.0398"/>
<QuasiParabolic ID="9" StartDistance="6620.0" EndDistance="6628.0" A="-1.19249494E13" B="3.58311219E9" C="-269142.22" Error="0.0045"/>
<QuasiParabolic ID="10" StartDistance="6628.0" EndDistance="6635.045" A="-4.7576527E13" B="1.43409807E10" C="-1080689.4" Error="0.00172"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="112.43" Depth="0.154"/>
<TopsideChapman PeakHeight="265.045" PeakDensity="127047.15" PeakScaleHeight="12.584" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
