<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-30 -089 06:40:00.000"
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: 65% PACIFIC flags: Multiple candidates for F2x cusp, F2 cusps do not match</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.30 (089) 06:40:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.18" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.97" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="82.25368" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202608903300640001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="4.400" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.377" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.858" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.200" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.200" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.400" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="267.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="267.500" 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="4.150" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="310.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.200" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.200" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="278.478" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="254.082" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.308" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="35.058" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.888" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="18.564" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="33.830" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.360" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="49">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
267.500 267.857 268.214 268.571 268.929 269.286 269.643 270.000 272.500 272.500 275.000 275.000 275.000 277.500 278.000 278.500 279.000 279.500 280.000 280.833 281.667 282.500 283.750 285.000 285.000 286.250 287.500 290.833 294.167 297.500 295.000 295.000 297.500 300.000 300.000 303.750 307.500 307.500 310.000 315.000 318.125 321.250 324.375 327.500 330.833 334.167 337.500 347.500 355.000
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
90 0 0 0 0 0 0 90 93 108 102 78 81 81 0 0 0 0 78 0 0 66 0 63 60 0 84 0 0 93 96 84 0 87 84 0 84 96 93 93 0 0 0 84 0 0 84 75 75
</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 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="486">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 145.34166 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 180.68333 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 216.025 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 278.478 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0
</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 0.35164472 0.35057107 0.349358 0.34786293 0.34623846 0.34441763 0.3423374 0.34007862 0.3375821 0.33492854 0.33199674 0.32887083 0.32544142 0.32185826 0.31796095 0.31384268 0.30942348 0.30469498 0.29971072 0.29440385 0.28873408 0.2827116 0.2763709 0.26962134 0.26238045 0.2546743 0.24647847 0.23771837 0.2283256 0.21822909 0.20744117 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 0.20137987 0.20573732 0.2100948 0.21445225 0.21880971 0.22316718 0.22752464 0.23188211 0.23623957 0.24059702 0.2449545 0.24931195 0.2536694 0.25802687 0.26238436 0.2667418 0.27109927 0.27545673 0.27981418 0.28417167 0.28852913 0.29288658 0.29724404 0.3016015 0.305959 0.31031644 0.3146739 0.31903136 0.32338881 0.32774627 0.33210376 0.33646122 0.34081867 0.34517613 0.3495336 0.35389107 0.354 0.38197073 0.41356853 0.44802764 0.48518142 0.5248606 0.56688726 0.6111193 0.6574353 0.70578355 0.7561354 0.8084976 0.8629023 0.9193973 0.978057 1.0389786 1.1022259 1.1679187 1.2361374 1.3069835 1.3805497 1.456916 1.5361559 1.6183206 1.7034123 1.791425 1.8823168 1.975977 2.0722558 2.1709263 2.2717068 2.3742795 2.4782147 2.5830777 2.6883597 2.793535 2.8980572 3.0014167 3.103041 3.2025056 3.2993307 3.39313 3.4835603 3.5703435 3.6532383 3.7320666 3.8066812 3.8769712 3.9428766 4.004328 4.0613093 4.1138062 4.161825 4.205378 4.2444773 4.2791433 4.3094015 4.335275 4.356786 4.3739486 4.3867817 4.3953 4.3995085 4.4 4.399662 4.3971615 4.392296 4.3851523 4.375817 4.3643765 4.3509173 4.335527 4.31829 4.2992926 4.2786183 4.2563505 4.23257 4.2073584 4.1807933 4.1529517 4.12391 4.09374 4.062515 4.0303025 3.9971714 3.963187 3.9284124 3.892909 3.8567364 3.8199513 3.7826092 3.744763 3.7064633 3.6677597 3.6286988 3.589326 3.549684 3.5098143 3.469756 3.4295468 3.3892229 3.3488178 3.3083642 3.2678928 3.2274332 3.1870127 3.1466577 3.1063929 3.0662417 3.0262265 2.986368 2.9466856 2.9071977 2.8679216 2.8288736 2.7900684 2.7515204 2.7132428 2.6752472 2.6375453 2.6001475 2.5630631 2.5263011 2.4898698 2.4537766 2.4180276 2.3826294 2.347587 2.3129058 2.2785897 2.2446427 2.211068 2.1778684 2.1450462 2.1126032 2.0805414 2.0488615 2.0175645 1.9866508 1.9561206 1.9259737 1.8962097 1.8668278 1.8378271 1.8092065 1.7809645 1.7530994 1.7256095 1.698493 1.6717473 1.6453706 1.6193601 1.5937134 1.5684277 1.5435002 1.518928 1.4947082 1.4708375 1.4473128 1.4241309 1.4012885 1.3787822 1.3566084 1.3347639 1.3132449 1.2920481 1.2711698 1.2506064 1.2303543 1.2104099 1.1907693 1.1714292 1.1523856 1.1336349 1.1151736 1.0969977 1.079104 1.0614883 1.0441473 1.0270773 1.0102746 0.99373573 0.9774569 0.9614348 0.94566566 0.93014604 0.91487247 0.8998415 0.8850496 0.87049335 0.85616946 0.8420746 0.8282052 0.81455827 0.80113035 0.7879183 0.7749189 0.762129 0.7495454 0.7371651 0.724985 0.7130021 0.7012133 0.6896158 0.67820656 0.66698277 0.65594155 0.6450801 0.6343956 0.6238854 0.61354667 0.60337687 0.59337324 0.5835333 0.5738544 0.564334 0.5549696 0.5457588 0.5366992 0.5277882 0.5190237 0.5104033 0.5019246 0.49358535 0.4853834 0.47731656 0.46938258 0.4615794 0.45390493 0.44635704 0.43893373 0.43163297 0.42445278 0.4173912 0.41044638 0.40361634 0.39689928 0.39029333 0.3837967 0.3774076 0.3711243 0.36494505 0.35886818 0.352892 0.3470149 0.34123522 0.33555138 0.3299618 0.32446498 0.31905934 0.31374344 0.30851576 0.3033749 0.29831937 0.2933478 0.28845885 0.2836511 0.27892324 0.274274 0.269702 0.26520598 0.26078475 0.256437 0.2521616 0.24795729 0.24382292 0.23975733 0.23575938 0.23182796 0.22796197 0.22416033 0.22042195 0.21674582 0.21313089 0.20957614 0.20608059 0.20264325 0.19926314 0.19593935 0.1926709 0.18945691 0.18629645 0.18318865 0.18013263 0.17712753 0.17417249 0.1712667 0.16840935 0.16559961 0.1628367 0.16011985 0.15744828 0.15482123 0.15223798 0.14969781 0.14719997 0.14474379 0.14232855 0.13995358 0.13761823 0.1353218 0.13306367 0.1308432 0.12865975 0.12651274 0.12440152 0.1223255 0.12028412 0.11827678 0.11630293 0.114362 0.112453446 0.11057673 0.108731315 0.10691669 0.10513233 0.10337774 0.10165242 0.09995589 0.09828766 0.096647255 0.09503423 0.09344811 0.09188845 0.09035482 0.08884678 0.0873639 0.08590576 0.08447195 0.08306207 0.08167571 0.08031248 0.078972004 0.0776539 0.07635778 0.0750833 0.07383008 0.07259778 0.07138604 0.07019452 0.06902289 0.06787081 0.06673796 0.065624006 0.064528644 0.063451566 0.062392466 0.06135104 0.06032699 0.059320036 0.058329884 0.057356257 0.056398883 0.055457484 0.054531798 0.053621564 0.05272652 0.05184641 0.050980996 0.050130025

</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="4.4" PeakHeight="278.478" Num="5" zHalfNm="254.082" Error="1.044">
-64.469 3.388 -2.231 1.281 -0.422
</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="6515.342" A="-1.21706103E11" B="3.7563612E7" C="-2898.3015" Error="0.0017"/>
<QuasiParabolic ID="2" StartDistance="6515.342" EndDistance="6550.683" A="0.0" B="1128.0017" C="-0.13309857" Error="0.0226"/>
<QuasiParabolic ID="3" StartDistance="6550.683" EndDistance="6553.0" A="-2.32601944E12" B="7.0987859E8" C="-54161.973" Error="0.0766"/>
<QuasiParabolic ID="4" StartDistance="6553.0" EndDistance="6578.0" A="1.06603905E11" B="-3.2567074E7" C="2487.3235" Error="0.0774"/>
<QuasiParabolic ID="5" StartDistance="6578.0" EndDistance="6582.0" A="-3.37970266E11" B="1.02602936E8" C="-7787.077" Error="0.00469"/>
<QuasiParabolic ID="6" StartDistance="6582.0" EndDistance="6586.0" A="1.46333237E12" B="-4.44739104E8" C="33791.625" Error="0.0339"/>
<QuasiParabolic ID="7" StartDistance="6586.0" EndDistance="6600.0" A="6.6315312E12" B="-2.01418918E9" C="152942.1" Error="0.0691"/>
<QuasiParabolic ID="8" StartDistance="6600.0" EndDistance="6629.0" A="1.95628336E13" B="-5.9327657E9" C="449803.97" Error="0.0439"/>
<QuasiParabolic ID="9" StartDistance="6629.0" EndDistance="6648.478" A="-3.45831123E13" B="1.04033167E10" C="-782364.0" Error="0.0111"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="106.025" Depth="0.154"/>
<TopsideChapman PeakHeight="278.478" PeakDensity="240198.52" PeakScaleHeight="18.564" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
