<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-12 -132 02:35:00.000"
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: F2x cusp not found, Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, F2 cusps do not match</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.12 (132) 02:35:00</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">
FF202613205120235001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.513" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.417" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.925" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.925" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="287.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="287.500" 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="84" Val="11.000" Name="QF" Units="km" QL="/" DL="/" />
<URSI ID="86" Val="0.175" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.100" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="295.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.925" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.925" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="272.149" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="252.665" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.943" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="27.936" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.835" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.691" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.250" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.030" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="14">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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" >
287.500 287.500 289.167 290.833 292.500 292.500 292.500 295.000 302.500 305.000 315.000 322.500 338.497 368.655
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 66 69 69 78 72 90 90 93 93 93 87 87 81
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="403">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.48334 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 184.96666 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 222.45 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 272.149 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0
</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 0.33949807 0.33708 0.33450305 0.33171186 0.32878566 0.32554713 0.32214487 0.31853658 0.3146876 0.3105716 0.30622542 0.30158326 0.29667273 0.29152754 0.28603053 0.28027555 0.2741216 0.26757085 0.2606752 0.25329816 0.24549082 0.23718342 0.228287 0.21881196 0.20870788 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 0.20013694 0.20424545 0.20835394 0.21246243 0.21657091 0.22067942 0.2247879 0.2288964 0.2330049 0.23711339 0.24122187 0.24533036 0.24943887 0.25354734 0.25765586 0.26176435 0.26587284 0.26998132 0.2740898 0.2781983 0.2823068 0.2864153 0.2905238 0.2946323 0.29874077 0.30284926 0.30695775 0.31106624 0.31517476 0.31928325 0.32339174 0.32750022 0.3316087 0.3357172 0.3398257 0.34393418 0.3480427 0.3521512 0.354 0.37253746 0.4079262 0.44547084 0.4851834 0.5270758 0.5711692 0.6174916 0.6660558 0.7168882 0.77001566 0.8254535 0.883213 0.94330716 1.005712 1.0704182 1.1373827 1.2065773 1.2779019 1.3512958 1.4266083 1.503733 1.5824984 1.6627234 1.7441629 1.8265939 1.9097576 1.9933387 2.077038 2.1605144 2.2434194 2.3253915 2.4060633 2.4850278 2.56195 2.6364076 2.7080693 2.7765467 2.841508 2.9026296 2.9595988 3.0121171 3.059929 3.1027946 3.140508 3.172873 3.1997337 3.2209582 3.2364469 3.2461205 3.2499347 3.25 3.2489479 3.245095 3.2385364 3.2294006 3.2178178 3.2039163 3.1878245 3.1696694 3.149576 3.1276665 3.1040614 3.0788777 3.0522292 3.0242264 2.9949765 2.9645827 2.9331443 2.9007573 2.8675132 2.8334997 2.7988007 2.7634964 2.7276628 2.6913724 2.6546934 2.617691 2.580427 2.5429587 2.5053408 2.4676251 2.4298594 2.392089 2.3543556 2.3166993 2.2791564 2.2417614 2.2045457 2.167539 2.1307676 2.094257 2.0580306 2.0221086 1.9865105 1.9512539 1.9163544 1.8818264 1.8476827 1.8139349 1.7805929 1.7476659 1.7151616 1.6830866 1.6514469 1.6202471 1.5894912 1.5591823 1.5293227 1.4999142 1.4709574 1.4424529 1.4144006 1.3867993 1.3596482 1.3329455 1.3066889 1.2808762 1.2555043 1.2305701 1.2060703 1.1820011 1.1583586 1.1351384 1.1123364 1.089948 1.0679685 1.0463929 1.0252165 1.0044339 0.98404026 0.96403015 0.9443984 0.9251395 0.90624815 0.8877189 0.8695463 0.85172486 0.8342491 0.8171135 0.80031264 0.783841 0.76769316 0.7518638 0.7363474 0.7211386 0.7062322 0.69162285 0.6773053 0.6632744 0.649525 0.6360521 0.62285054 0.60991544 0.5972419 0.584825 0.57266 0.5607422 0.54906696 0.5376296 0.52642566 0.51545066 0.5047002 0.49416992 0.4838556 0.47375306 0.46385816 0.4541668 0.444675 0.43537885 0.42627448 0.41735807 0.40862593 0.40007436 0.3916998 0.3834986 0.37546742 0.3676028 0.35990134 0.35235977 0.3449749 0.33774355 0.33066255 0.32372892 0.3169396 0.3102917 0.3037823 0.2974086 0.29116783 0.28505722 0.27907416 0.27321598 0.26748016 0.26186416 0.2563655 0.2509818 0.24571069 0.24054979 0.23549688 0.2305497 0.22570606 0.22096382 0.2163209 0.21177521 0.20732476 0.20296757 0.19870168 0.1945252 0.19043629 0.1864331 0.18251388 0.17867684 0.17492032 0.1712426 0.16764204 0.16411704 0.16066603 0.15728746 0.15397982 0.15074162 0.14757141 0.14446777 0.14142932 0.13845468 0.13554253 0.13269155 0.12990047 0.12716803 0.124492995 0.121874176 0.119310394 0.11680049 0.11434333 0.11193782 0.10958288 0.10727743 0.105020456 0.10281093 0.100647844 0.09853025 0.09645717 0.09442769 0.09244087 0.09049585 0.08859172 0.08672763 0.08490275 0.08311624 0.081367314 0.07965517 0.077979036 0.07633816 0.07473179 0.07315922 0.07161972 0.07011261 0.0686372 0.06719283 0.06577885 0.06439461 0.0630395 0.061712887 0.06041419 0.059142817 0.05789819 0.05667975 0.05548695 0.054319244 0.053176105 0.05205702 0.050961483

</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="272.149" Num="5" zHalfNm="252.665" Error="0.572">
-49.593 -0.243 0.03 0.145 -0.038
</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="6517.483" A="-1.08259959E11" B="3.3413568E7" C="-2578.082" Error="0.00176"/>
<QuasiParabolic ID="2" StartDistance="6517.483" EndDistance="6554.967" A="0.0" B="920.9478" C="-0.101264186" Error="0.0192"/>
<QuasiParabolic ID="3" StartDistance="6554.967" EndDistance="6591.0" A="2.10544456E10" B="-6503785.5" C="502.2236" Error="0.0192"/>
<QuasiParabolic ID="4" StartDistance="6591.0" EndDistance="6606.0" A="7.2286732E12" B="-2.19361306E9" C="166418.58" Error="0.0313"/>
<QuasiParabolic ID="5" StartDistance="6606.0" EndDistance="6615.0" A="1.6853631E13" B="-5.1076178E9" C="386976.0" Error="0.00646"/>
<QuasiParabolic ID="6" StartDistance="6615.0" EndDistance="6630.0" A="9.4756363E12" B="-2.87693158E9" C="218367.83" Error="0.0249"/>
<QuasiParabolic ID="7" StartDistance="6630.0" EndDistance="6642.149" A="-3.3564555E13" B="1.01065349E10" C="-760777.44" Error="0.00821"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="112.45" Depth="0.154"/>
<TopsideChapman PeakHeight="272.149" PeakDensity="131048.39" PeakScaleHeight="14.691" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
