<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-06 -126 01:35:00.000"
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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 70% PACIFIC flags: F2x cusp not found, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.06 (126) 01:35:00</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">
FF202612605060135001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.644" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.843" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.100" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.100" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.575" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="282.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="282.500" 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="3.200" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="293.514" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.100" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.100" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="259.566" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="244.571" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.363" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="21.490" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.645" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.229" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="21.820" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.990" 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" >
3.1 3.125 3.15 3.175 3.2 3.225 3.25
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
282.500 284.709 287.229 290.133 293.514 297.500 302.271
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
93 96 99 102 102 99 96
</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="339">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 147.043 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 184.086 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 221.129 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 259.566 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0
</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 0.35086685 0.34972504 0.34844565 0.34695974 0.34527344 0.34339368 0.3413282 0.33908543 0.33667454 0.33403847 0.33119148 0.3281487 0.32486364 0.32135794 0.3176544 0.31366172 0.30947158 0.30500823 0.3002398 0.29519844 0.28985283 0.28419316 0.27823222 0.27185294 0.2651518 0.257994 0.25037664 0.24225931 0.23363411 0.22440444 0.2145378 0.20400357 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 0.2037998 0.20795713 0.21211447 0.21627179 0.22042912 0.22458646 0.22874379 0.23290111 0.23705845 0.24121578 0.2453731 0.24953043 0.25368777 0.2578451 0.26200244 0.26615977 0.27031708 0.2744744 0.27863175 0.28278908 0.28694642 0.29110375 0.29526109 0.29941842 0.30357572 0.30773306 0.3118904 0.31604773 0.32020506 0.3243624 0.32851973 0.33267704 0.33683437 0.3409917 0.34514904 0.34930637 0.3534637 0.354 0.3929972 0.4397086 0.48927978 0.5422944 0.59922826 0.6604254 0.7261566 0.79654473 0.8716428 0.9513375 1.0354645 1.1236931 1.2156905 1.3110023 1.4091711 1.509701 1.6121496 1.7159897 1.8207601 1.9259859 2.0311823 2.13585 2.2395196 2.341653 2.4417105 2.5390959 2.633209 2.723371 2.8089032 2.8890648 2.9630957 3.0302162 3.0896695 3.1406927 3.182617 3.2148237 3.2368262 3.2482746 3.25 3.2495296 3.244963 3.2357702 3.2222407 3.2046638 3.1833267 3.1585133 3.130501 3.0995605 3.0659537 3.029933 2.9917412 2.9516096 2.9097588 2.866398 2.8217251 2.7759259 2.7291756 2.6816375 2.6334646 2.584799 2.5357726 2.4865072 2.4371154 2.3877008 2.338358 2.2891736 2.2402265 2.1915884 2.143324 2.0954914 2.0481431 2.0013254 1.9550798 1.9094427 1.8644458 1.8201169 1.7764796 1.7335541 1.6913573 1.6499028 1.6092017 1.5692624 1.5300908 1.4916911 1.4540651 1.417213 1.3811334 1.3458236 1.3112794 1.2774955 1.2444656 1.2121824 1.1806378 1.1498232 1.1197289 1.0903451 1.0616612 1.0336665 1.0063497 0.97969913 0.9537032 0.92835003 0.9036275 0.87952346 0.8560256 0.8331217 0.81079954 0.78904676 0.76785123 0.7472008 0.7270833 0.707487 0.68839985 0.66981024 0.65170664 0.63407755 0.61691177 0.6001982 0.58392596 0.5680843 0.5526627 0.53765076 0.5230383 0.50881547 0.4949724 0.48149955 0.46838748 0.45562708 0.4432093 0.4311253 0.4193666 0.40792468 0.39679137 0.38595864 0.37541857 0.3651636 0.35518616 0.34547895 0.3360349 0.32684702 0.3179085 0.3092127 0.30075327 0.2925238 0.28451818 0.27673048 0.2691548 0.26178548 0.254617 0.24764393 0.24086104 0.2342632 0.22784542 0.22160283 0.2155307 0.20962442 0.20387952 0.19829161 0.19285646 0.1875699 0.1824279 0.17742655 0.17256202 0.16783059 0.16322865 0.15875265 0.15439919 0.15016492 0.1460466 0.14204106 0.13814522 0.1343561 0.13067077 0.12708643 0.12360029 0.12020969 0.116912 0.11370469 0.110585295 0.1075514 0.10460068 0.10173086 0.09893972 0.0962251 0.09358492 0.091017134 0.08851977 0.086090885 0.08372862 0.081431136 0.07919667 0.077023484 0.07490992 0.07285432 0.07085511 0.06891075 0.067019716 0.06518057 0.06339187 0.06165225 0.059960354 0.05831488 0.056714546 0.055158123 0.053644404 0.052172218 0.05074043

</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="259.566" Num="5" zHalfNm="244.571" Error="0.311">
-38.06 -0.685 0.441 -0.253 0.12
</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="6517.043" A="-1.10837637E11" B="3.4209148E7" C="-2639.4692" Error="0.00179"/>
<QuasiParabolic ID="2" StartDistance="6517.043" EndDistance="6554.086" A="0.0" B="-1436.8291" C="0.26050833" Error="0.032"/>
<QuasiParabolic ID="3" StartDistance="6554.086" EndDistance="6589.0" A="4.7635206E10" B="-1.4593809E7" C="1117.7855" Error="0.032"/>
<QuasiParabolic ID="4" StartDistance="6589.0" EndDistance="6590.0" A="-2.61054792E12" B="7.9226099E8" C="-60109.625" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6590.0" EndDistance="6594.0" A="1.37626082E13" B="-4.17683046E9" C="316907.94" Error="0.0304"/>
<QuasiParabolic ID="6" StartDistance="6594.0" EndDistance="6596.0" A="4.96655729E11" B="-1.53186944E8" C="11809.097" Error="0.0122"/>
<QuasiParabolic ID="7" StartDistance="6596.0" EndDistance="6618.0" A="2.0654374E13" B="-6.2652908E9" C="475128.06" Error="0.0355"/>
<QuasiParabolic ID="8" StartDistance="6618.0" EndDistance="6625.0" A="-3.09589317E13" B="9.332566E9" C="-703313.8" Error="0.00336"/>
<QuasiParabolic ID="9" StartDistance="6625.0" EndDistance="6629.566" A="-6.5060106E13" B="1.96272599E10" C="-1480271.9" Error="5.3E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="111.129" Depth="0.154"/>
<TopsideChapman PeakHeight="259.566" PeakDensity="131048.39" PeakScaleHeight="11.229" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
