<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-07 -127 07:40:00.000"
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 11 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 100%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.07 (127) 07:40:00</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">
FF202612705070740001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.175" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.278" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.406" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.975" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.975" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.500" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="325.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="325.000" 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="3.000" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="327.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.975" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.975" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="293.619" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="261.252" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.366" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="46.353" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.309" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="24.449" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="46.210" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.120" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="9">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.975 3.0 3.025 3.05 3.075 3.1 3.125 3.15 3.175
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
325.000 327.500 332.404 338.405 345.918 355.597 368.537 386.719 414.136
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
60 66 90 90 90 87 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="569">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 144.303 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 178.606 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 212.909 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 293.619 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0 607.0 608.0 609.0 610.0 611.0 612.0 613.0 614.0 615.0 616.0 617.0 618.0 619.0 620.0 621.0 622.0 623.0 624.0 625.0 626.0 627.0 628.0 629.0 630.0 631.0 632.0 633.0 634.0 635.0 636.0 637.0 638.0 639.0 640.0 641.0 642.0 643.0 644.0 645.0 646.0 647.0 648.0 649.0 650.0 651.0 652.0 653.0 654.0 655.0 656.0 657.0
</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 0.35306162 0.35235164 0.35149613 0.35034955 0.34906483 0.34749994 0.34573543 0.34377852 0.34163728 0.33918214 0.33656567 0.33373168 0.33059734 0.32724953 0.32361472 0.31978193 0.31560007 0.31116912 0.30647373 0.3014048 0.29600778 0.29033545 0.28420427 0.27774915 0.27087778 0.2635062 0.25566095 0.2472629 0.23826264 0.22858489 0.21822844 0.20708488 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 0.20176883 0.20625822 0.21074763 0.21523704 0.21972644 0.22421584 0.22870524 0.23319465 0.23768406 0.24217345 0.24666286 0.25115225 0.25564167 0.26013106 0.26462048 0.26910987 0.27359927 0.2780887 0.28257808 0.28706747 0.2915569 0.2960463 0.3005357 0.3050251 0.3095145 0.3140039 0.3184933 0.3229827 0.32747212 0.3319615 0.33645093 0.34094033 0.34542972 0.34991914 0.354 0.35568953 0.37480888 0.39497095 0.41617027 0.43839192 0.46162465 0.48585564 0.51106536 0.5372378 0.5643657 0.5924296 0.6214232 0.6513333 0.68215424 0.71387774 0.7465026 0.78002894 0.8144354 0.8497434 0.88592917 0.92300135 0.960955 0.9997724 1.0394692 1.080014 1.1214192 1.1636511 1.2067102 1.250567 1.2952083 1.3405998 1.3867215 1.4335322 1.4810044 1.5290823 1.5777358 1.6268947 1.676519 1.726542 1.7769008 1.8275139 1.8783305 1.9292587 1.9802204 2.0311394 2.0819216 2.1324842 2.182736 2.2325869 2.2819464 2.330724 2.3788278 2.4261832 2.472687 2.5182533 2.5628076 2.6062727 2.6485696 2.6896167 2.7293518 2.767704 2.8046203 2.8400328 2.8738842 2.9061296 2.936719 2.9656096 2.9927611 3.0181327 3.0416906 3.063411 3.0832613 3.1012154 3.1172566 3.1313612 3.1435149 3.1537037 3.1619172 3.168144 3.1723793 3.1746168 3.175 3.1749249 3.1740224 3.1721194 3.169243 3.1654203 3.1606789 3.1550457 3.1485486 3.1412148 3.1330717 3.1241465 3.114466 3.1040573 3.0929468 3.0811605 3.068725 3.055666 3.0420084 3.0277772 3.0129974 2.9976926 2.9818869 2.9656034 2.948865 2.931694 2.9141126 2.8961418 2.8778028 2.8591158 2.840101 2.8207777 2.8011649 2.7812808 2.7611434 2.7407706 2.7201788 2.699385 2.6784043 2.657253 2.6359458 2.6144974 2.5929215 2.5712318 2.5494418 2.527564 2.5056107 2.4835935 2.461524 2.4394133 2.4172719 2.39511 2.3729372 2.350763 2.3285968 2.3064473 2.2843223 2.2622302 2.2401783 2.2181745 2.1962252 2.1743374 2.1525176 2.1307719 2.1091058 2.0875251 2.066035 2.0446405 2.0233464 2.0021572 1.9810772 1.9601105 1.9392608 1.9185318 1.8979269 1.8774493 1.857102 1.8368878 1.8168094 1.7968693 1.7770697 1.7574128 1.7379005 1.7185348 1.6993173 1.6802496 1.661333 1.6425688 1.6239582 1.6055024 1.5872021 1.5690582 1.5510714 1.5332425 1.5155717 1.4980595 1.4807065 1.4635127 1.4464782 1.4296033 1.412888 1.3963321 1.3799356 1.3636982 1.3476198 1.3317 1.3159384 1.3003346 1.284888 1.2695985 1.2544651 1.2394874 1.2246648 1.2099965 1.1954817 1.1811198 1.1669099 1.1528513 1.1389431 1.1251844 1.1115743 1.0981117 1.084796 1.071626 1.0586007 1.0457191 1.0329803 1.0203831 1.0079266 0.9956095 0.9834309 0.97138965 0.9594847 0.9477148 0.93607897 0.924576 0.9132047 0.90196407 0.89085287 0.87987 0.86901426 0.8582845 0.84767956 0.83719826 0.8268395 0.81660205 0.8064848 0.79648656 0.7866062 0.7768425 0.7671944 0.7576606 0.7482401 0.7389317 0.72973424 0.7206466 0.71166766 0.7027962 0.69403124 0.6853715 0.67681605 0.66836363 0.6600132 0.6517637 0.64361393 0.6355629 0.62760955 0.6197527 0.6119914 0.6043246 0.59675115 0.5892701 0.58188045 0.574581 0.56737095 0.5602492 0.5532147 0.54626656 0.53940374 0.5326252 0.5259301 0.51931745 0.5127862 0.50633556 0.4999645 0.49367213 0.4874575 0.48131976 0.47525793 0.4692712 0.46335867 0.45751944 0.45175266 0.44605747 0.44043303 0.4348785 0.42939302 0.42397583 0.41862607 0.41334292 0.40812564 0.40297338 0.3978854 0.39286092 0.3878992 0.3829994 0.37816086 0.37338278 0.36866447 0.3640052 0.35940424 0.35486087 0.35037443 0.3459442 0.34156948 0.3372496 0.33298394 0.32877177 0.32461247 0.32050538 0.31644988 0.3124453 0.30849105 0.3045865 0.30073103 0.29692405 0.29316494 0.28945315 0.28578803 0.28216907 0.27859566 0.27506724 0.2715833 0.2681432 0.2647465 0.26139256 0.25808093 0.25481105 0.25158238 0.24839444 0.24524674 0.24213873 0.23906995 0.23603989 0.2330481 0.23009406 0.22717734 0.22429743 0.22145392 0.21864632 0.2158742 0.21313709 0.21043459 0.20776623 0.2051316 0.2025303 0.19996186 0.19742592 0.19492203 0.19244982 0.1900089 0.18759882 0.18521926 0.18286979 0.18055007 0.1782597 0.17599832 0.17376554 0.17156105 0.16938446 0.16723542 0.1651136 0.16301864 0.16095023 0.158908 0.15689163 0.1549008 0.15293519 0.1509945 0.14907837 0.14718653 0.14531866 0.14347446 0.14165361 0.13985586 0.13808088 0.1363284 0.13459814 0.13288979 0.13120311 0.12953782 0.12789363 0.12627028 0.12466752 0.123085074 0.121522695 0.119980134 0.11845712 0.11695343 0.11546881 0.11400301 0.1125558 0.11112695 0.10971622 0.10832339 0.10694822 0.10559049 0.10424999 0.10292649 0.10161979 0.10032965 0.099055886 0.09779829 0.09655663 0.09533074 0.0941204 0.092925414 0.09174559 0.09058074 0.08943067 0.08829519 0.087174125 0.08606728 0.08497448 0.08389556 0.08283032 0.0817786 0.080740236 0.07971504 0.07870286 0.07770353 0.07671688 0.07574275 0.074780986 0.07383143 0.072893925 0.071968324 0.071054466 0.070152216 0.06926141 0.06838192 0.067513585 0.066656284 0.06580985 0.064974174 0.064149104 0.06333451 0.06253025 0.061736204 0.06095224 0.060178228 0.05941404 0.058659554 0.05791465 0.057179198 0.056453086 0.055736195 0.0550284 0.054329596 0.053639665 0.052958492 0.052285966 0.05162198 0.050966423 0.05031919

</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="3.175" PeakHeight="293.619" Num="5" zHalfNm="261.252" Error="0.593">
-81.258 0.988 -0.661 0.384 -0.163
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="6514.303" A="-1.2915114E11" B="3.9861464E7" C="-3075.605" Error="0.00169"/>
<QuasiParabolic ID="2" StartDistance="6514.303" EndDistance="6548.606" A="0.0" B="784.5729" C="-0.08040825" Error="0.015"/>
<QuasiParabolic ID="3" StartDistance="6548.606" EndDistance="6581.0" A="2.70871859E10" B="-8357515.5" C="644.6326" Error="0.015"/>
<QuasiParabolic ID="4" StartDistance="6581.0" EndDistance="6590.0" A="2.69383028E12" B="-8.1879456E8" C="62218.637" Error="0.0278"/>
<QuasiParabolic ID="5" StartDistance="6590.0" EndDistance="6594.0" A="8.3438037E11" B="-2.54469856E8" C="19401.89" Error="0.0035"/>
<QuasiParabolic ID="6" StartDistance="6594.0" EndDistance="6641.0" A="4.5847187E12" B="-1.39197018E9" C="105654.56" Error="0.0389"/>
<QuasiParabolic ID="7" StartDistance="6641.0" EndDistance="6661.0" A="-1.07978319E13" B="3.24063078E9" C="-243133.33" Error="0.00981"/>
<QuasiParabolic ID="8" StartDistance="6661.0" EndDistance="6663.619" A="-1.2497085E13" B="3.75084006E9" C="-281431.6" Error="1.99E-6"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="102.909" Depth="0.154"/>
<TopsideChapman PeakHeight="293.619" PeakDensity="125069.79" PeakScaleHeight="24.449" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
