<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-07 -127 02:10:00.000"
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) 02:10:00</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">
FF202612705070210001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.475" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.639" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.645" 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="3.800" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="247.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="247.500" 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="3.350" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="283.085" 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="250.685" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="232.529" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.109" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="25.997" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.887" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.849" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.090" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.420" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="18">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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" >
247.500 250.000 252.500 255.000 257.500 260.000 265.000 267.500 272.500 274.391 276.680 279.506 283.085 287.762 294.135 303.332 317.762 343.668
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
78 102 105 96 96 96 93 102 105 93 93 69 69 105 105 102 102 93
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="372">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.08333 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 174.16667 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 206.25 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 250.685 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0
</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 0.35354906 0.35298675 0.3521277 0.3511249 0.34983355 0.34833378 0.34655926 0.3445913 0.34229675 0.3398302 0.33706498 0.33401984 0.33071515 0.327109 0.32322994 0.31904808 0.31454307 0.3097052 0.30453598 0.29904887 0.29310012 0.2867813 0.2800439 0.2727352 0.26502842 0.25670934 0.24776544 0.23820302 0.22786881 0.21668318 0.20459439 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 0.204 0.2088 0.2136 0.2184 0.2232 0.228 0.2328 0.2376 0.2424 0.2472 0.252 0.2568 0.2616 0.2664 0.2712 0.276 0.2808 0.2856 0.2904 0.2952 0.3 0.3048 0.3096 0.3144 0.3192 0.324 0.3288 0.3336 0.3384 0.3432 0.348 0.3528 0.354 0.38141876 0.42173123 0.46599096 0.5138102 0.564857 0.6188982 0.67584723 0.735697 0.7985201 0.86443555 0.9336472 1.0063171 1.0826536 1.1628718 1.2471387 1.3355924 1.4283198 1.5252886 1.6263204 1.7311577 1.839283 1.9500014 2.0624635 2.1756198 2.2883165 2.3994231 2.507808 2.6124434 2.7124846 2.8072405 2.8962023 2.979009 3.0554328 3.1253564 3.1887379 3.2455919 3.295971 3.339947 3.3775969 3.4090073 3.434254 3.4534009 3.4665022 3.4735966 3.475 3.4748254 3.4720013 3.4658513 3.4565396 3.444231 3.4290905 3.411282 3.3909676 3.3683074 3.3434577 3.316572 3.2877994 3.257285 3.225169 3.1915867 3.1566684 3.1205397 3.08332 3.045124 3.0060616 2.966236 2.925747 2.8846872 2.8431458 2.801206 2.7589474 2.716443 2.6737628 2.6309721 2.5881317 2.545298 2.5025246 2.45986 2.41735 2.3750367 2.332959 2.2911527 2.2496505 2.2084823 2.167676 2.127256 2.087245 2.0476632 2.0085292 1.969859 1.931667 1.8939657 1.8567666 1.8200788 1.7839108 1.748269 1.7131592 1.6785858 1.6445521 1.6110605 1.5781124 1.5457084 1.5138483 1.4825313 1.4517558 1.4215195 1.3918198 1.3626534 1.3340166 1.3059051 1.2783146 1.2512401 1.2246766 1.1986185 1.17306 1.1479954 1.1234185 1.0993228 1.075702 1.0525496 1.0298588 1.007623 0.9858351 0.9644883 0.9435758 0.9230905 0.9030254 0.8833735 0.8641279 0.8452815 0.82682735 0.8087586 0.7910684 0.7737497 0.7567959 0.74020016 0.72395587 0.70805633 0.69249505 0.6772655 0.6623614 0.6477763 0.63350403 0.61953837 0.60587335 0.59250283 0.57942104 0.5666221 0.5541003 0.54185003 0.5298657 0.51814187 0.5066732 0.4954544 0.48448032 0.4737458 0.46324587 0.45297566 0.44293025 0.433105 0.4234952 0.41409633 0.40490386 0.39591345 0.38712075 0.37852156 0.37011173 0.36188722 0.35384402 0.34597823 0.33828604 0.3307637 0.3234075 0.3162139 0.30917934 0.30230036 0.29557362 0.28899574 0.28256354 0.27627382 0.27012345 0.2641094 0.2582287 0.2524784 0.24685568 0.2413577 0.23598175 0.23072515 0.22558527 0.22055954 0.21564545 0.21084054 0.20614241 0.2015487 0.1970571 0.19266537 0.1883713 0.18417273 0.18006755 0.17605372 0.17212917 0.16829196 0.16454014 0.16087183 0.15728517 0.15377837 0.15034963 0.14699726 0.14371952 0.14051479 0.13738142 0.13431786 0.13132253 0.12839393 0.12553059 0.12273104 0.11999386 0.11731768 0.11470113 0.1121429 0.10964168 0.107196204 0.10480524 0.102467574 0.10018201 0.0979474 0.0957626 0.09362651 0.09153804 0.089496136 0.08749976 0.085547894 0.083639555 0.08177376 0.07994957 0.07816607 0.076422326 0.07471748 0.07305065 0.07142098 0.06982767 0.06826989 0.06674685 0.06525779 0.06380193 0.06237854 0.060986903 0.059626307 0.058296055 0.056995478 0.05572391 0.0544807 0.05326523 0.05207687 0.050915014

</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="250.685" Num="5" zHalfNm="232.529" Error="1.347">
-45.873 2.568 -1.82 0.972 -0.282
</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="6512.083" A="-1.47549225E11" B="4.5539884E7" C="-3513.7546" Error="0.00163"/>
<QuasiParabolic ID="2" StartDistance="6512.083" EndDistance="6544.167" A="0.0" B="1255.0685" C="-0.15270296" Error="0.023"/>
<QuasiParabolic ID="3" StartDistance="6544.167" EndDistance="6575.0" A="2.66174464E10" B="-8228772.0" C="635.9363" Error="0.023"/>
<QuasiParabolic ID="4" StartDistance="6575.0" EndDistance="6577.0" A="9.8645353E12" B="-3.00075136E9" C="228204.19" Error="0.0323"/>
<QuasiParabolic ID="5" StartDistance="6577.0" EndDistance="6586.0" A="8.7398411E12" B="-2.65874304E9" C="202203.86" Error="0.013"/>
<QuasiParabolic ID="6" StartDistance="6586.0" EndDistance="6598.0" A="2.37363737E13" B="-7.2128072E9" C="547942.1" Error="0.0355"/>
<QuasiParabolic ID="7" StartDistance="6598.0" EndDistance="6606.0" A="2.07925407E13" B="-6.3204659E9" C="480320.0" Error="0.0208"/>
<QuasiParabolic ID="8" StartDistance="6606.0" EndDistance="6620.685" A="-3.7852394E13" B="1.14345851E10" C="-863537.94" Error="0.00918"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="96.25" Depth="0.154"/>
<TopsideChapman PeakHeight="250.685" PeakDensity="149821.66" PeakScaleHeight="13.849" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
