<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-01 -032 03:35:00.000"
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 33 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 60% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other, Unidentified traces above foF2</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.02.01 (032) 03:35:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.15" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.95" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="85.88234" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202603202010335001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="6.375" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.772" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="24.050" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.425" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.425" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.650" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="6.275" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="274.983" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.425" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.425" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="248.589" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="231.692" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.734" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="24.823" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.753" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="12.658" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.770" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.740" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="159">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.425 2.45 2.475 2.5 2.525 2.55 2.575 2.6 2.625 2.65 2.675 2.7 2.725 2.75 2.775 2.8 2.825 2.85 2.875 2.9 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 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 3.9 3.925 3.95 3.975 4.0 4.025 4.05 4.075 4.1 4.125 4.15 4.175 4.2 4.225 4.25 4.275 4.3 4.325 4.35 4.375 4.4 4.425 4.45 4.475 4.5 4.525 4.55 4.575 4.6 4.625 4.65 4.675 4.7 4.725 4.75 4.775 4.8 4.825 4.85 4.875 4.9 4.925 4.95 4.975 5.0 5.025 5.05 5.075 5.1 5.125 5.15 5.175 5.2 5.225 5.25 5.275 5.3 5.325 5.35 5.375 5.4 5.425 5.45 5.475 5.5 5.525 5.55 5.575 5.6 5.625 5.65 5.675 5.7 5.725 5.75 5.775 5.8 5.825 5.85 5.875 5.9 5.925 5.95 5.975 6.0 6.025 6.05 6.075 6.1 6.125 6.15 6.175 6.2 6.225 6.25 6.275 6.3 6.325 6.35 6.375
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
230.000 230.000 230.000 230.000 230.000 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.500 232.885 233.269 233.654 234.038 234.423 234.808 235.192 235.577 235.962 236.346 236.731 237.115 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 237.500 238.056 238.611 239.167 239.722 240.278 240.833 241.389 241.944 242.500 242.500 242.500 242.500 242.500 242.500 242.500 242.500 242.500 242.500 242.500 242.500 245.000 245.000 245.000 245.000 245.000 245.000 246.250 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 247.500 250.000 250.000 250.000 250.000 250.000 252.500 252.500 252.500 252.500 252.500 252.500 252.500 252.500 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 255.000 257.500 257.500 257.500 257.500 257.500 257.500 257.500 257.500 260.000 260.000 260.000 260.000 260.000 260.000 260.000 262.500 262.500 262.500 262.500 262.500 262.500 262.500 265.000 265.000 265.000 265.000 265.000 265.000 265.000 267.500 267.500 267.500 267.500 267.500 267.500 270.000 270.000 270.000 270.000 270.000 270.000 272.500 272.756 273.082 273.513 274.108 274.983 276.396 279.067 286.014 348.773
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 0 75 0 72 69 75 75 72 72 69 69 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 81 81 0 102 102 90 0 90 93 0 93 93 93 78 75 0 0 0 0 0 0 0 78 0 0 0 0 0 93 0 72 108 108 105 105 105 105 105 105 90 0 81 0 0 90 0 90 90 90 90 90 66 66 66 69 90 93 66 69 93 93 87 90 93 93 93 96 105 105 63 63 66 66 102 102 69 69 66 66 66 69 69 72 108 108 108 108 108 108 111 111 72 72 72 69 108 108 72 72 72 69 69 69 105 105 105 105 105 102 105 105 105 102 102 99 99 99 99 96 60 60 60 60 60 54 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 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 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 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 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="374">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 248.589 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0
</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 0.38752797 0.42555723 0.46850812 0.5167255 0.57042664 0.62971365 0.69454277 0.7647619 0.8401589 0.92048615 1.0054632 1.0948415 1.1883819 1.285904 1.387203 1.4921936 1.6007111 1.7126814 1.8280193 1.9466615 2.0685596 2.1936736 2.3219156 2.4532437 2.5876472 2.724986 2.8652534 3.0083244 3.1541164 3.3024905 3.4533124 3.606405 3.7615302 3.9184515 4.076896 4.236448 4.3967023 4.5571733 4.7173038 4.8764057 5.033729 5.18833 5.3392715 5.485395 5.6254544 5.7581024 5.8818283 5.9950976 6.096334 6.1839786 6.256544 6.3126993 6.35136 6.371739 6.375 6.374348 6.3674455 6.353321 6.33237 6.304989 6.2715735 6.2325153 6.1882 6.139006 6.085304 6.027452 5.9657984 5.9006786 5.832415 5.7613177 5.6876817 5.611789 5.5339084 5.4542923 5.3731813 5.2908025 5.2073684 5.12308 5.0381236 4.952675 4.8668976 4.7809434 4.6949534 4.609058 4.5233774 4.4380226 4.3530965 4.2686915 4.184893 4.101779 4.0194197 3.937878 3.8572114 3.777471 3.6987023 3.6209452 3.5442355 3.4686031 3.3940752 3.3206737 3.2484176 3.1773224 3.1074 3.0386598 2.9711084 2.9047499 2.8395863 2.7756171 2.7128403 2.651252 2.5908468 2.5316176 2.4735565 2.4166539 2.3608992 2.3062813 2.252788 2.200406 2.1491218 2.0989208 2.049789 2.0017104 1.9546697 1.9086512 1.8636385 1.8196154 1.7765652 1.7344713 1.6933169 1.6530854 1.6137598 1.5753232 1.5377591 1.5010507 1.4651814 1.4301345 1.3958939 1.3624433 1.3297666 1.2978479 1.2666713 1.2362216 1.206483 1.1774408 1.1490798 1.1213855 1.0943432 1.0679388 1.0421582 1.0169877 0.9924137 0.96842283 0.945002 0.9221385 0.8998197 0.8780331 0.8567667 0.83600855 0.81574696 0.7959706 0.77666825 0.7578289 0.73944175 0.7214964 0.70398253 0.68688995 0.67020893 0.6539297 0.6380429 0.6225393 0.6074097 0.59264547 0.57823783 0.56417835 0.5504588 0.53707105 0.52400726 0.5112596 0.49882072 0.4866831 0.47483957 0.4632831 0.45200682 0.441004 0.4302681 0.41979268 0.4095715 0.39959848 0.38986757 0.380373 0.37110907 0.3620702 0.35325098 0.3446461 0.3362504 0.32805878 0.32006636 0.31226832 0.3046599 0.2972366 0.28999388 0.28292736 0.2760328 0.26930603 0.26274297 0.25633967 0.25009224 0.24399689 0.23804995 0.23224781 0.22658695 0.22106394 0.21567546 0.2104182 0.20528898 0.2002847 0.19540234 0.1906389 0.18599153 0.18145736 0.17703366 0.17271776 0.16850701 0.16439886 0.16039084 0.15648048 0.1526654 0.1489433 0.14531192 0.14176905 0.13831252 0.13494024 0.13165015 0.12844026 0.1253086 0.122253284 0.11927244 0.11636426 0.11352697 0.11075885 0.10805821 0.105423406 0.10285283 0.100344926 0.09789816 0.09551105 0.09318213 0.09090999 0.088693246 0.08653055 0.08442058 0.082362056 0.080353715 0.078394346 0.07648275 0.07461776 0.072798245 0.07102309 0.06929122 0.06760158 0.06595313 0.064344876 0.06277584 0.06124506 0.059751607 0.05829457 0.056873057 0.055486206 0.054133173 0.052813135 0.05152528 0.05026883

</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="6.375" PeakHeight="248.589" Num="5" zHalfNm="231.692" Error="0.621">
-51.929 -4.234 2.506 -0.927 -0.005
</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="-1097.0458" C="0.20859182" Error="0.0186"/>
<QuasiParabolic ID="3" StartDistance="6536.0" EndDistance="6562.0" A="6.8759396E10" B="-2.1124052E7" C="1622.432" Error="0.0186"/>
<QuasiParabolic ID="4" StartDistance="6562.0" EndDistance="6565.0" A="4.9357621E12" B="-1.50451405E9" C="114651.234" Error="0.0159"/>
<QuasiParabolic ID="5" StartDistance="6565.0" EndDistance="6570.0" A="1.07412309E13" B="-3.27312614E9" C="249351.31" Error="0.0196"/>
<QuasiParabolic ID="6" StartDistance="6570.0" EndDistance="6575.0" A="1.70277177E13" B="-5.1868206E9" C="394990.16" Error="0.0064"/>
<QuasiParabolic ID="7" StartDistance="6575.0" EndDistance="6584.0" A="2.90887419E13" B="-8.8555735E9" C="673982.75" Error="0.00726"/>
<QuasiParabolic ID="8" StartDistance="6584.0" EndDistance="6604.0" A="5.2599273E13" B="-1.59972895E10" C="1216336.8" Error="0.0121"/>
<QuasiParabolic ID="9" StartDistance="6604.0" EndDistance="6612.0" A="-1.15259537E13" B="3.42282726E9" C="-253993.19" Error="0.00697"/>
<QuasiParabolic ID="10" StartDistance="6612.0" EndDistance="6618.589" A="-2.11030366E14" B="6.376899E10" C="-4817375.0" Error="0.00235"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="84.0" Depth="0.154"/>
<TopsideChapman PeakHeight="248.589" PeakDensity="504226.12" PeakScaleHeight="12.658" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
