<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-02-02 -033 03:25:00.000"
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" >
2026.02.02 (033) 03:25:00</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">
FF202603302020325001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="6.075" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.590" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="21.809" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.225" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.225" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.375" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="270.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="270.000" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="5.950" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="298.299" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.300" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.300" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="289.482" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="269.942" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.793" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="29.326" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.943" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="14.465" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="33.150" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.370" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="115">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
272.500 272.500 271.250 270.000 270.000 270.000 272.500 275.000 277.500 280.000 283.125 286.250 289.375 292.500 294.500 296.500 298.500 300.500 302.500 303.393 304.286 305.179 306.071 306.964 307.857 308.750 309.643 310.536 311.429 312.321 313.214 314.107 315.000 300.000 296.250 292.500 293.750 295.000 277.500 297.500 303.750 310.000 313.750 317.500 318.750 320.000 322.500 322.115 321.731 321.346 320.962 320.577 320.192 319.808 319.423 319.038 318.654 318.269 317.885 317.500 316.250 315.000 313.750 312.500 311.250 310.000 315.000 309.375 303.750 298.125 292.500 292.500 285.000 288.750 292.500 296.250 300.000 303.750 307.500 311.250 315.000 318.750 322.500 322.500 322.500 311.667 300.833 290.000 296.250 302.500 292.500 292.500 292.500 292.500 292.500 292.500 292.500 292.500 292.500 292.500 292.500 295.000 295.000 300.000 298.750 297.500 296.250 296.745 297.397 298.299 299.626 301.771 305.826 316.395 413.244
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
81 81 0 0 0 0 93 93 0 0 81 0 0 0 0 0 0 75 0 0 0 0 0 0 0 0 0 0 0 0 0 0 99 0 0 102 0 0 102 0 0 0 87 81 0 102 87 0 0 66 63 0 0 0 0 0 0 0 0 0 0 87 0 96 0 0 0 0 0 63 0 102 63 63 63 0 60 0 0 0 93 96 0 0 0 0 63 63 66 0 66 57 66 63 0 66 99 96 57 63 96 105 102 102 99 102 93 96 96 99 99 102 60 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="446">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.81067 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 181.62134 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 217.432 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 289.482 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0
</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 0.35313663 0.35250106 0.3517192 0.350645 0.3494313 0.3480085 0.3464547 0.34463117 0.3426185 0.3404249 0.33805934 0.33539656 0.33258682 0.3295117 0.32625493 0.3227102 0.31896535 0.3149282 0.31063524 0.30607045 0.30122787 0.29613683 0.29064465 0.28484657 0.27867365 0.2721047 0.26516885 0.25775462 0.24988668 0.24145856 0.23242998 0.22277066 0.21249717 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 0.20162842 0.20592882 0.2102292 0.2145296 0.21882999 0.22313039 0.22743079 0.23173118 0.23603158 0.24033196 0.24463236 0.24893276 0.25323316 0.25753355 0.26183394 0.26613432 0.27043474 0.27473512 0.2790355 0.28333592 0.2876363 0.2919367 0.2962371 0.3005375 0.30483788 0.30913827 0.31343868 0.31773907 0.32203946 0.32633987 0.33064026 0.33494064 0.33924106 0.34354144 0.34784183 0.3521422 0.354 0.36625412 0.3903587 0.4182621 0.45070574 0.48845577 0.5321433 0.58208615 0.6380957 0.6994035 0.76490057 0.8333673 0.9038105 0.9754375 1.0477453 1.1204472 1.1933544 1.2663898 1.3395616 1.4128484 1.4862992 1.5599581 1.6338642 1.7080853 1.7826818 1.8576744 1.9331423 2.009124 2.0856743 2.1628299 2.2406423 2.3191595 2.3984044 2.4784455 2.5593097 2.6410382 2.72367 2.8072412 2.891807 2.9773784 3.0640168 3.1517467 3.2406228 3.330646 3.4218717 3.5143564 3.6080909 3.7031183 3.7994795 3.897169 3.9962475 4.0966864 4.198506 4.3016996 4.406226 4.512078 4.619157 4.727385 4.836595 4.94663 5.0571837 5.1679173 5.278313 5.387721 5.4952765 5.599817 5.6998477 5.7934527 5.8782916 5.951601 6.010303 6.051418 6.072477 6.075 6.074245 6.06861 6.057682 6.0417128 6.0209546 5.9956613 5.9660845 5.9324727 5.8950715 5.8541226 5.809862 5.76252 5.7123203 5.659481 5.604212 5.5467167 5.4871902 5.4258213 5.362789 5.2982664 5.232418 5.1654 5.097362 5.0284457 4.958785 4.888507 4.817731 4.7465706 4.6751323 4.603515 4.531813 4.460114 4.3884997 4.3170457 4.245824 4.1749 4.104335 4.034185 3.9645019 3.895334 3.8267252 3.7587154 3.691341 3.6246352 3.558628 3.4933465 3.4288146 3.3650537 3.302083 3.2399187 3.1785755 3.1180656 3.0583992 2.999585 2.94163 2.8845391 2.8283167 2.7729647 2.7184846 2.6648762 2.612139 2.56027 2.5092673 2.4591262 2.4098425 2.3614109 2.313825 2.2670786 2.2211645 2.1760752 2.1318023 2.0883377 2.0456722 2.0037968 1.9627024 1.9223789 1.8828166 1.8440052 1.8059349 1.768595 1.731975 1.6960645 1.6608527 1.626329 1.5924827 1.5593029 1.526779 1.4949005 1.4636563 1.433036 1.4030287 1.3736243 1.344812 1.3165815 1.2889224 1.2618246 1.2352778 1.2092721 1.1837976 1.1588444 1.1344028 1.1104631 1.0870162 1.0640525 1.0415627 1.0195378 0.99796903 0.97684735 0.9561641 0.9359108 0.9160789 0.89666027 0.8776466 0.8590299 0.8408023 0.822956 0.8054834 0.788377 0.77162933 0.7552333 0.73918164 0.72346747 0.7080839 0.6930242 0.6782818 0.66385007 0.64972275 0.6358936 0.6223564 0.6091052 0.5961341 0.58343726 0.57100904 0.55884385 0.5469363 0.5352809 0.5238725 0.5127059 0.50177616 0.49107826 0.48060733 0.47035864 0.46032757 0.45050955 0.44090006 0.43149477 0.4222894 0.4132797 0.40446162 0.39583105 0.3873841 0.37911686 0.37102556 0.3631065 0.355356 0.34777054 0.3403466 0.3330808 0.32596976 0.31901023 0.312199 0.3055329 0.29900888 0.29262394 0.2863751 0.2802595 0.27427426 0.2684167 0.26268405 0.25707364 0.25158292 0.24620934 0.24095039 0.23580363 0.23076671 0.22583726 0.221013 0.2162917 0.21167116 0.20714924 0.20272385 0.19839291 0.19415444 0.19000645 0.18594702 0.18197425 0.1780863 0.17428137 0.1705577 0.16691352 0.16334718 0.15985699 0.15644135 0.15309864 0.14982733 0.14662589 0.14349282 0.14042668 0.13742602 0.13448946 0.13161564 0.1288032 0.12605083 0.12335726 0.120721236 0.118141524 0.11561692 0.11314625 0.11072837 0.108362146 0.10604647 0.10378028 0.10156249 0.0993921 0.097268075 0.09518944 0.093155205 0.09116444 0.08921622 0.08730962 0.08544376 0.08361777 0.08183079 0.08008201 0.078370586 0.07669573 0.07505667 0.07345264 0.071882874 0.07034665 0.06884327 0.067372 0.06593218 0.06452312 0.06314418 0.061794702 0.060474064 0.059181646 0.05791685 0.05667908 0.055467762 0.05428233 0.05312223 0.051986925 0.05087588

</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="6.075" PeakHeight="289.482" Num="5" zHalfNm="269.942" Error="3.212">
-65.222 -12.777 9.326 -3.323 -0.054
</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="6515.811" A="-1.18548529E11" B="3.6589052E7" C="-2823.104" Error="0.00175"/>
<QuasiParabolic ID="2" StartDistance="6515.811" EndDistance="6551.621" A="0.0" B="474.5937" C="-0.032800227" Error="0.00903"/>
<QuasiParabolic ID="3" StartDistance="6551.621" EndDistance="6553.0" A="-2.50400473E12" B="7.6417498E8" C="-58302.9" Error="0.0175"/>
<QuasiParabolic ID="4" StartDistance="6553.0" EndDistance="6583.0" A="5.9430207E10" B="-1.8194896E7" C="1392.6484" Error="0.0385"/>
<QuasiParabolic ID="5" StartDistance="6583.0" EndDistance="6586.0" A="-2.34658447E11" B="7.1153016E7" C="-5393.613" Error="0.00113"/>
<QuasiParabolic ID="6" StartDistance="6586.0" EndDistance="6588.0" A="4.5179029E12" B="-1.37207846E9" C="104174.52" Error="0.0121"/>
<QuasiParabolic ID="7" StartDistance="6588.0" EndDistance="6591.0" A="5.5612492E12" B="-1.68881997E9" C="128213.8" Error="0.0222"/>
<QuasiParabolic ID="8" StartDistance="6591.0" EndDistance="6623.0" A="1.17432815E13" B="-3.56472115E9" C="270521.56" Error="0.028"/>
<QuasiParabolic ID="9" StartDistance="6623.0" EndDistance="6654.0" A="2.62705533E13" B="-7.951637E9" C="601709.56" Error="0.0121"/>
<QuasiParabolic ID="10" StartDistance="6654.0" EndDistance="6659.482" A="-2.24180834E14" B="6.7326808E10" C="-5054921.5" Error="0.00284"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="107.432" Depth="0.154"/>
<TopsideChapman PeakHeight="289.482" PeakDensity="457886.16" PeakScaleHeight="14.465" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
