<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-06 -126 22:35:00.000"
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 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 90% PACIFIC flags: 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) 22:35:00</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">
FF202612605062235001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.875" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.598" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.943" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.950" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.950" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.250" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="230.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="230.000" 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="3.525" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="260.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="247.590" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="225.494" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.766" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="31.597" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.334" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="17.018" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="28.950" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.940" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="38">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 3.275 3.3 3.325 3.35 3.375 3.4 3.425 3.45 3.475 3.5 3.525 3.55 3.575 3.6 3.625 3.65 3.675 3.7 3.725 3.75 3.775 3.8 3.825 3.85 3.875
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
230.000 230.000 230.000 232.500 232.500 232.500 233.750 235.000 237.500 237.500 240.000 240.000 242.500 242.500 245.000 245.000 245.000 247.500 252.500 255.000 255.000 257.500 257.500 260.000 265.000 267.500 270.000 275.000 278.204 281.730 285.628 289.961 294.806 300.261 306.446 313.519 321.688 331.227
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 69 69 96 96 96 96 111 108 111 105 111 105 108 105 69 69 72 69 102 108 93 93 93 93 78 75 75 75 99 0 0 0 0 0 0 0 0
</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 -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 -4.6875 -1.5625 -7.8125 -1.5625 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="420">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 247.59 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0
</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 0.353812 0.35339895 0.35261247 0.3516065 0.35023698 0.34851307 0.34651887 0.34419376 0.34155348 0.33854687 0.33526585 0.33153415 0.32752004 0.32306805 0.31823066 0.3130061 0.3072951 0.30113927 0.29447237 0.28732234 0.2796049 0.2711702 0.2621697 0.25230387 0.24165411 0.23006094 0.21740833 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 0.2055 0.211 0.2165 0.222 0.2275 0.233 0.2385 0.244 0.2495 0.255 0.2605 0.266 0.2715 0.277 0.2825 0.288 0.2935 0.299 0.3045 0.31 0.3155 0.321 0.3265 0.332 0.3375 0.343 0.3485 0.354 0.38354942 0.41695303 0.45400107 0.49428666 0.5373606 0.5828396 0.630443 0.6800253 0.73154336 0.78504866 0.84064907 0.8985016 0.95880497 1.0217913 1.0877056 1.15685 1.2295257 1.306061 1.3867813 1.4720178 1.562071 1.6571666 1.7574557 1.862887 1.9731854 2.0877829 2.2057564 2.3258886 2.4466293 2.5663939 2.6835647 2.7967343 2.9048471 3.0071235 3.1030805 3.1925385 3.2754512 3.35195 3.4222157 3.4864826 3.544995 3.5980186 3.645794 3.688553 3.7264934 3.759804 3.7886453 3.8131645 3.8334787 3.8496828 3.8618546 3.8700545 3.8743196 3.875 3.8747814 3.8724475 3.867637 3.8604486 3.8509812 3.8393342 3.8256066 3.8098967 3.7923024 3.7729204 3.751846 3.7291727 3.7049928 3.679396 3.6524704 3.6243014 3.5949726 3.564565 3.533157 3.500825 3.4676418 3.4336786 3.3990035 3.3636823 3.327778 3.291351 3.2544596 3.2171588 3.1795018 3.1415389 3.1033187 3.0648866 3.0262866 2.9875596 2.9487453 2.9098804 2.8710003 2.832138 2.793325 2.7545903 2.7159622 2.6774662 2.6391265 2.6009667 2.5630074 2.5252688 2.4877691 2.4505258 2.4135547 2.3768702 2.3404863 2.3044152 2.2686684 2.2332566 2.1981888 2.1634736 2.1291194 2.0951324 2.0615191 2.028285 1.9954349 1.9629728 1.9309021 1.8992261 1.867947 1.8370667 1.8065864 1.7765075 1.7468302 1.7175548 1.688681 1.6602082 1.6321356 1.6044619 1.5771856 1.5503051 1.5238183 1.4977229 1.4720166 1.4466968 1.4217604 1.3972048 1.3730267 1.3492229 1.3257899 1.3027244 1.2800226 1.257681 1.2356956 1.2140628 1.1927785 1.1718388 1.1512396 1.1309769 1.1110467 1.0914446 1.0721667 1.0532086 1.0345663 1.0162355 0.998212 0.9804916 0.9630701 0.9459433 0.929107 0.91255707 0.8962894 0.88029975 0.8645841 0.8491383 0.8339583 0.8190402 0.80437976 0.78997326 0.77581656 0.7619059 0.74823743 0.73480725 0.72161156 0.7086467 0.6959089 0.68339455 0.6711 0.6590217 0.64715606 0.6354996 0.62404895 0.6128006 0.6017512 0.5908975 0.58023614 0.569764 0.5594778 0.54937446 0.5394509 0.529704 0.52013075 0.51072824 0.5014935 0.49242368 0.48351598 0.47476754 0.46617568 0.45773762 0.44945073 0.4413124 0.43332002 0.42547107 0.41776302 0.41019344 0.4027599 0.39546 0.3882914 0.38125178 0.3743389 0.3675505 0.3608844 0.35433844 0.3479105 0.34159845 0.33540028 0.329314 0.32333753 0.317469 0.31170645 0.306048 0.30049184 0.29503608 0.28967896 0.2844187 0.2792536 0.27418196 0.26920208 0.26431233 0.2595111 0.2547968 0.25016788 0.24562278 0.24116004 0.23677814 0.23247564 0.22825113 0.22410318 0.22003044 0.21603154 0.21210514 0.20824996 0.2044647 0.20074812 0.19709894 0.19351599 0.18999805 0.18654394 0.18315253 0.17982267 0.17655326 0.1733432 0.17019142 0.16709687 0.16405852 0.16107532 0.15814632 0.15527052 0.15244694 0.14967465 0.14695273 0.14428025 0.14165632 0.13908008 0.13655064 0.13406715 0.1316288 0.12923476 0.12688422 0.12457641 0.12231054 0.12008585 0.1179016 0.11575705 0.113651484 0.111584194 0.109554484 0.10756167 0.105605096 0.10368408 0.101798 0.09994621 0.09812809 0.096343026 0.09459042 0.09286968 0.09118023 0.089521505 0.08789294 0.086293995 0.08472413 0.083182804 0.08166952 0.080183744 0.078725 0.077292785 0.075886615 0.07450602 0.07315054 0.07181971 0.070513085 0.06923023 0.06797071 0.06673409 0.06551997 0.06432793 0.06315758 0.06200852 0.060880356 0.059772715 0.05868522 0.05761751 0.056569226 0.055540007 0.054529514 0.0535374 0.052563336 0.05160699 0.050668042

</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="3.875" PeakHeight="247.59" Num="5" zHalfNm="225.494" Error="2.244">
-56.389 5.421 -4.18 2.224 -0.666
</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="6508.0" A="-1.93482834E11" B="5.9716924E7" C="-4607.662" Error="0.00161"/>
<QuasiParabolic ID="2" StartDistance="6508.0" EndDistance="6536.0" A="0.0" B="-156.65833" C="0.06409466" Error="0.00315"/>
<QuasiParabolic ID="3" StartDistance="6536.0" EndDistance="6563.0" A="5.8869322E10" B="-1.810602E7" C="1392.1892" Error="0.00315"/>
<QuasiParabolic ID="4" StartDistance="6563.0" EndDistance="6566.0" A="8.3205769E12" B="-2.53576806E9" C="193199.44" Error="7.56E-5"/>
<QuasiParabolic ID="5" StartDistance="6566.0" EndDistance="6570.0" A="5.0992539E12" B="-1.55455475E9" C="118480.19" Error="0.0059"/>
<QuasiParabolic ID="6" StartDistance="6570.0" EndDistance="6576.0" A="7.832965E12" B="-2.38673459E9" C="181811.98" Error="0.00192"/>
<QuasiParabolic ID="7" StartDistance="6576.0" EndDistance="6583.0" A="1.53022638E13" B="-4.6584192E9" C="354537.4" Error="0.00834"/>
<QuasiParabolic ID="8" StartDistance="6583.0" EndDistance="6592.0" A="3.589607E13" B="-1.09150833E10" C="829751.1" Error="0.00472"/>
<QuasiParabolic ID="9" StartDistance="6592.0" EndDistance="6597.0" A="1.59965753E13" B="-4.8776141E9" C="371812.03" Error="0.0044"/>
<QuasiParabolic ID="10" StartDistance="6597.0" EndDistance="6617.59" A="-2.96441432E13" B="8.9591962E9" C="-676907.9" Error="0.00197"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="84.0" Depth="0.154"/>
<TopsideChapman PeakHeight="247.59" PeakDensity="186298.08" PeakScaleHeight="17.018" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
