<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-11-01 -305 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 55 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 25% PACIFIC flags: F2o cusp not found, One of F2 cusps was derived from the other, F2O model cusp does not fit trace</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.11.01 (305) 03:35:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.32" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.06" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="60.383656" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202630511010335001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="27" >
<URSI ID="00" Val="4.025" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.283" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.214" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.000" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="30" Val="3.325" Name="foEs" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.550" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.250" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="347.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="347.500" Name="h`F2" Units="km" QL="/" DL="/" />
<URSI ID="34" Val="97.500" Name="h`Es" 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="4.025" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="360.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.550" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.550" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="298.193" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="270.535" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="5.841" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<Custom Name="fminEs" Val="2.000" Description="Minimum frequency of Es-layer" Units="MHz" />
<URSI ID="94" Val="40.079" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.774" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="20.273" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="42.070" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="1.700" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="2">
<Trace Type="standard" Layer="F2" Polarization="O" Num="20">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
347.500 347.500 347.500 347.500 350.000 350.000 350.000 350.000 352.500 352.500 353.125 353.750 354.375 355.000 355.625 356.250 356.875 357.500 358.750 360.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 75 78 78 81 84 84 66 66 60 0 0 0 0 0 0 0 81 0 69
</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 7.8125 -1.5625 1.5625 1.5625 1.5625 -1.5625 1.5625
</TraceValueList>
</Trace>
<Trace Type="standard" Layer="Es" Polarization="O" Num="54">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.0 2.025 2.05 2.075 2.1 2.125 2.15 2.175 2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
97.500 97.500 97.500 97.500 98.000 98.500 99.000 99.500 100.000 100.000 100.000 100.000 100.000 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 97.500 100.000 97.500 97.500 97.500 100.000 100.000 97.500 97.500 97.500 98.125 98.750 99.375 100.000 100.000 100.000 100.417 100.833 101.250 101.667 102.083 102.500 102.500 102.500 102.500 102.500 102.500
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 66 66 63 0 0 0 0 66 54 54 0 54 54 0 0 66 81 84 75 69 0 0 0 0 72 75 78 81 75 72 60 60 51 51 0 54 0 0 0 69 96 93 0 0 0 0 0 90 90 87 0 0 87
</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 7.8125 1.5625 -1.5625 -1.5625 1.5625 -1.5625 -1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 1.5625 1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 -1.5625 1.5625 1.5625 -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 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="527">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.98167 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 181.96333 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 217.945 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 298.193 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0
</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 0.35250095 0.35171908 0.35071898 0.3495047 0.3480812 0.34652662 0.3447022 0.34275916 0.34056342 0.33819553 0.3355976 0.3327837 0.32976884 0.3265056 0.32301557 0.3193215 0.31533054 0.31107885 0.30660424 0.30178934 0.29667005 0.2913362 0.2855831 0.27952376 0.27303913 0.26615608 0.25882334 0.2510396 0.24271575 0.23391397 0.22440878 0.21425435 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 0.20015693 0.20443688 0.20871684 0.21299681 0.21727677 0.22155672 0.22583668 0.23011664 0.23439659 0.23867655 0.2429565 0.24723646 0.25151643 0.25579637 0.26007634 0.2643563 0.26863626 0.2729162 0.27719617 0.2814761 0.28575608 0.29003602 0.294316 0.29859596 0.3028759 0.30715588 0.31143582 0.3157158 0.31999573 0.3242757 0.32855564 0.3328356 0.33711556 0.34139553 0.34567547 0.34995544 0.354 0.35601655 0.38802204 0.41586015 0.44214627 0.46787536 0.49357572 0.5195821 0.54613906 0.57343715 0.6016401 0.6309055 0.66135794 0.69312173 0.7263078 0.76103204 0.79737663 0.83541584 0.87521505 0.9168006 0.9601848 1.0053484 1.0522541 1.1008238 1.1509537 1.2025266 1.2554027 1.3094436 1.3645018 1.4204228 1.4770561 1.534295 1.5920058 1.6500779 1.7084309 1.7669848 1.8256611 1.8844149 1.9432077 2.00199 2.060733 2.119434 2.1780524 2.2365868 2.2950263 2.3533645 2.4115844 2.469697 2.5276744 2.5855353 2.643258 2.7008376 2.7582808 2.8155515 2.8726504 2.929568 2.9862652 3.04273 3.098921 3.1548085 3.2103374 3.2654555 3.3200953 3.3741765 3.427614 3.4802825 3.5320563 3.582783 3.632284 3.680343 3.7267172 3.77113 3.813261 3.8527617 3.8892403 3.9222772 3.9514375 3.9762757 3.9963791 4.0113673 4.0209413 4.0248933 4.025 4.024382 4.0219355 4.017684 4.0116878 4.004008 3.9947057 3.9838417 3.9714766 3.9576712 3.9424853 3.9259784 3.9082093 3.889236 3.8691156 3.8479042 3.8256574 3.8024287 3.7782714 3.7532372 3.727377 3.7007396 3.6733732 3.6453247 3.6166394 3.587361 3.557533 3.5271964 3.496391 3.465156 3.4335284 3.4015446 3.3692393 3.3366458 3.3037965 3.2707226 3.2374535 3.2040176 3.1704428 3.136755 3.1029794 3.06914 3.0352592 3.0013597 2.9674618 2.9335856 2.8997498 2.8659723 2.8322704 2.79866 2.7651567 2.731775 2.6985285 2.6654298 2.6324918 2.5997255 2.5671418 2.5347507 2.502562 2.4705846 2.4388266 2.4072957 2.3759995 2.344944 2.314136 2.283581 2.253284 2.2232502 2.1934838 2.1639886 2.1347685 2.1058266 2.0771658 2.0487888 2.0206976 1.9928942 1.9653803 1.9381573 1.9112263 1.884588 1.8582433 1.8321925 1.8064358 1.7809733 1.7558047 1.7309296 1.7063476 1.682058 1.6580598 1.6343523 1.6109341 1.5878042 1.5649612 1.5424035 1.5201297 1.498138 1.4764266 1.454994 1.4338379 1.4129566 1.3923478 1.3720098 1.3519399 1.3321363 1.3125964 1.2933182 1.2742991 1.255537 1.2370292 1.2187734 1.200767 1.1830076 1.1654928 1.1482198 1.1311862 1.1143894 1.097827 1.0814962 1.0653945 1.0495194 1.0338682 1.0184383 1.0032272 0.9882324 0.97345114 0.95888096 0.9445193 0.9303636 0.9164113 0.9026599 0.88910687 0.87574977 0.862586 0.8496132 0.8368289 0.82423055 0.8118159 0.7995824 0.7875278 0.77564967 0.76394564 0.7524134 0.74105066 0.7298552 0.7188246 0.7079568 0.6972494 0.6867004 0.67630744 0.6660685 0.6559814 0.646044 0.63625425 0.6266101 0.61710954 0.6077504 0.5985309 0.5894489 0.5805025 0.57168984 0.56300896 0.55445796 0.54603505 0.5377383 0.529566 0.52151626 0.5135874 0.5057776 0.4980852 0.4905085 0.48304576 0.47569537 0.46845567 0.46132505 0.45430192 0.44738472 0.44057187 0.43386188 0.4272532 0.42074433 0.41433385 0.4080203 0.40180218 0.39567816 0.3896468 0.38370678 0.37785667 0.3720952 0.36642104 0.36083287 0.35532942 0.34990942 0.34457165 0.33931488 0.3341379 0.32903945 0.32401848 0.31907374 0.3142041 0.30940846 0.3046857 0.30003473 0.29545447 0.29094386 0.28650185 0.2821274 0.2778195 0.27357715 0.26939937 0.2652852 0.26123363 0.25724375 0.25331464 0.24944536 0.24563502 0.24188273 0.2381876 0.23454878 0.23096542 0.22743666 0.22396171 0.22053972 0.2171699 0.21385147 0.21058363 0.20736563 0.20419672 0.20107614 0.19800316 0.19497706 0.19199713 0.18906267 0.18617299 0.1833274 0.18052524 0.17776586 0.17504859 0.1723728 0.16973786 0.16714315 0.16458805 0.16207196 0.15959428 0.15715444 0.15475187 0.15238598 0.15005623 0.14776206 0.14550292 0.1432783 0.14108765 0.13893048 0.13680625 0.13471448 0.13265467 0.13062632 0.12862897 0.12666214 0.12472534 0.12281816 0.12094011 0.119090766 0.11726968 0.11547642 0.113710575 0.111971706 0.11025942 0.1085733 0.10691296 0.10527799 0.10366801 0.10208265 0.10052151 0.09898424 0.09747047 0.09597983 0.094511986 0.09306658 0.091643274 0.09024172 0.0888616 0.08750258 0.08616433 0.08484654 0.0835489 0.08227111 0.081012845 0.07977382 0.078553736 0.077352315 0.07616926 0.075004295 0.07385714 0.07272753 0.0716152 0.070519865 0.06944128 0.06837919 0.06733335 0.0663035 0.06528939 0.06429079 0.063307464 0.062339175 0.061385695 0.06044679 0.05952225 0.058611844 0.057715364 0.056832593 0.05596332 0.055107344 0.054264456 0.05343446 0.05261716 0.051812354 0.05101986 0.050239485

</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="4.025" PeakHeight="298.193" Num="5" zHalfNm="270.535" Error="2.533">
-75.868 -8.054 5.169 -2.823 1.328
</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="6515.982" A="-1.17425701E11" B="3.62425E7" C="-2796.364" Error="0.00185"/>
<QuasiParabolic ID="2" StartDistance="6515.982" EndDistance="6551.963" A="0.0" B="-1861.5278" C="0.32572702" Error="0.0402"/>
<QuasiParabolic ID="3" StartDistance="6551.963" EndDistance="6583.0" A="6.1529977E10" B="-1.8834012E7" C="1441.2795" Error="0.0402"/>
<QuasiParabolic ID="4" StartDistance="6583.0" EndDistance="6585.0" A="-7.9914874E11" B="2.42651232E8" C="-18419.365" Error="3.78E-4"/>
<QuasiParabolic ID="5" StartDistance="6585.0" EndDistance="6606.0" A="3.15634719E12" B="-9.587143E8" C="72800.49" Error="0.0779"/>
<QuasiParabolic ID="6" StartDistance="6606.0" EndDistance="6657.0" A="6.9093147E12" B="-2.09494426E9" C="158800.34" Error="0.0676"/>
<QuasiParabolic ID="7" StartDistance="6657.0" EndDistance="6668.193" A="-3.7953296E13" B="1.1383383E10" C="-853542.1" Error="0.00726"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="107.945" Depth="0.154"/>
<TopsideChapman PeakHeight="298.193" PeakDensity="201000.31" PeakScaleHeight="20.273" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
