<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-10-21 -294 02:05:00.000"
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 44 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 40% PACIFIC flags: F2x cusp not found, 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" >
2026.10.21 (294) 02:05:00</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="62.486557" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202629410210205001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.900" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.352" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="19.774" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="5.300" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="5.300" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.175" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="310.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="310.000" 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="5.625" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="320.616" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="5.300" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="5.300" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="289.496" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="264.521" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.184" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="36.248" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="3.451" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="18.780" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="36.010" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.060" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="25">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
310.000 310.000 315.000 314.167 313.333 312.500 313.125 313.750 314.375 315.000 316.197 317.518 318.982 320.616 322.449 324.520 326.880 329.594 332.746 336.453 340.876 346.244 352.895 361.354 372.471
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
99 96 96 0 0 99 0 0 0 96 96 0 96 96 0 0 0 0 0 0 0 0 0 96 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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="518">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 146.026 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 182.052 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 218.078 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 289.496 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0 606.0
</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 0.34477374 0.34275907 0.34063303 0.33826396 0.33566475 0.33284944 0.3298331 0.32656825 0.3231383 0.3193804 0.31544575 0.31118983 0.30671075 0.30194315 0.2968161 0.29147422 0.28580174 0.27972692 0.27322575 0.26639658 0.25910205 0.25133914 0.24309178 0.23429668 0.2248182 0.21468733 0.20387264 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 0.2040524 0.2083271 0.21260178 0.21687648 0.22115117 0.22542585 0.22970055 0.23397525 0.23824993 0.24252462 0.2467993 0.25107402 0.25534868 0.25962338 0.26389807 0.26817277 0.27244747 0.27672213 0.28099683 0.28527153 0.28954622 0.29382092 0.29809558 0.30237028 0.30664498 0.31091967 0.31519437 0.31946906 0.32374373 0.32801843 0.33229312 0.33656782 0.34084252 0.34511718 0.34939188 0.35366657 0.354 0.38148203 0.41288033 0.4460309 0.4810461 0.5180381 0.55710775 0.5983599 0.6418823 0.68777525 0.7361309 0.78703207 0.84054244 0.89675456 0.9557108 1.0174805 1.0821011 1.1496065 1.2200259 1.2933826 1.3696488 1.4488345 1.5309236 1.6158738 1.7036338 1.7941582 1.8873818 1.983203 2.0815473 2.1823165 2.2853618 2.3905976 2.4978566 2.607003 2.7178857 2.8303154 2.9441357 3.059148 3.1751473 3.2919397 3.4092977 3.5269806 3.6447878 3.7624419 3.879731 3.9963489 4.112074 4.226602 4.3396664 4.4509726 4.5602646 4.667221 4.7715826 4.872998 4.9712386 5.065977 5.156918 5.243817 5.32635 5.404271 5.477311 5.54524 5.607795 5.664768 5.7159595 5.761172 5.800243 5.83303 5.859403 5.8792653 5.8925433 5.89918 5.9 5.899587 5.8963666 5.890044 5.880731 5.8685393 5.853582 5.8359704 5.815818 5.7932343 5.768331 5.7412167 5.7119994 5.6807847 5.6476774 5.612779 5.5761905 5.538009 5.4983306 5.457248 5.4148526 5.371232 5.3264713 5.2806535 5.2338595 5.186166 5.1376476 5.0883775 5.0384245 4.987856 4.936736 4.885126 4.833086 4.780672 4.7279387 4.674938 4.62172 4.568331 4.5148168 4.46122 4.407582 4.353941 4.300334 4.246796 4.193361 4.140058 4.0869184 4.0339694 3.9812374 3.928747 3.876521 3.8245816 3.772949 3.721642 3.6706784 3.620075 3.5698466 3.520008 3.470572 3.4215505 3.372955 3.3247955 3.2770813 3.2298207 3.1830218 3.1366909 3.0908341 3.0454574 3.000565 2.956161 2.9122493 2.8688328 2.8259134 2.7834938 2.7415745 2.7001574 2.6592424 2.6188297 2.5789194 2.5395105 2.5006025 2.4621935 2.4242826 2.3868675 2.3499465 2.3135169 2.2775764 2.242122 2.2071507 2.1726596 2.1386452 2.105104 2.0720325 2.0394266 2.0072827 1.9755967 1.9443645 1.913582 1.8832448 1.8533485 1.8238887 1.794861 1.7662607 1.7380834 1.7103243 1.6829787 1.6560421 1.6295097 1.6033767 1.5776384 1.5522901 1.527327 1.5027441 1.478537 1.4547007 1.4312305 1.4081218 1.3853698 1.3629698 1.340917 1.319207 1.2978349 1.2767963 1.2560866 1.2357011 1.2156354 1.1958851 1.1764456 1.1573126 1.1384817 1.1199486 1.1017091 1.0837587 1.0660934 1.048709 1.0316014 1.0147665 0.9982002 0.9818985 0.96585757 0.9500735 0.9345423 0.9192603 0.9042237 0.88942873 0.8748718 0.86054915 0.84645736 0.8325928 0.81895196 0.8055314 0.79232776 0.77933764 0.7665578 0.7539849 0.7416157 0.7294471 0.7174759 0.705699 0.69411343 0.68271613 0.6715041 0.6604744 0.6496243 0.6389508 0.62845117 0.61812264 0.6079625 0.59796804 0.5881367 0.57846576 0.56895274 0.55959517 0.5503904 0.5413361 0.5324299 0.52366924 0.51505196 0.5065757 0.4982382 0.4900372 0.4819705 0.47403592 0.46623138 0.45855474 0.45100394 0.44357696 0.43627176 0.4290864 0.42201892 0.41506743 0.40823004 0.40150484 0.3948901 0.38838398 0.3819847 0.37569055 0.3694998 0.36341077 0.35742182 0.3515313 0.3457376 0.34003913 0.3344344 0.3289218 0.3234999 0.31816715 0.31292212 0.30776337 0.30268952 0.29769915 0.2927909 0.28796342 0.28321543 0.27854556 0.27395257 0.26943523 0.26499224 0.2606224 0.25632453 0.25209743 0.24793996 0.24385096 0.23982932 0.23587391 0.23198366 0.22815752 0.2243944 0.22069329 0.21705316 0.213473 0.20995185 0.20648873 0.20308267 0.19973275 0.19643804 0.19319764 0.19001065 0.1868762 0.18379341 0.18076144 0.17777945 0.17484663 0.17196216 0.16912524 0.16633509 0.16359095 0.16089207 0.15823768 0.15562706 0.15305948 0.15053424 0.14805067 0.14560802 0.14320567 0.14084294 0.13851918 0.13623373 0.13398598 0.1317753 0.12960109 0.12746274 0.12535965 0.12329126 0.121256985 0.119256265 0.11728854 0.11535328 0.11344994 0.111577995 0.10973693 0.107926235 0.10614541 0.10439397 0.102671415 0.10097727 0.09931108 0.09767239 0.096060716 0.09447564 0.09291671 0.0913835 0.089875594 0.088392556 0.086933985 0.08549948 0.084088646 0.08270109 0.08133642 0.07999427 0.07867426 0.07737603 0.076099224 0.07484348 0.07360846 0.07239381 0.07119921 0.07002431 0.06886881 0.067732364 0.06661467 0.06551542 0.06443431 0.06337104 0.06232531 0.061296836 0.060285334 0.05929052 0.05831212 0.057349868 0.05640349 0.05547273 0.05455733 0.053657033 0.05277159 0.05190076 0.0510443 0.05020197

</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="5.9" PeakHeight="289.496" Num="5" zHalfNm="264.521" Error="0.208">
-71.3 -0.317 0.245 -0.115 0.069
</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="6516.026" A="-1.17150409E11" B="3.6157536E7" C="-2789.8079" Error="0.00174"/>
<QuasiParabolic ID="2" StartDistance="6516.026" EndDistance="6552.052" A="0.0" B="440.7026" C="-0.027600208" Error="0.00846"/>
<QuasiParabolic ID="3" StartDistance="6552.052" EndDistance="6554.0" A="-1.37406552E12" B="4.19247744E8" C="-31979.627" Error="0.0334"/>
<QuasiParabolic ID="4" StartDistance="6554.0" EndDistance="6587.0" A="5.3568319E10" B="-1.6404961E7" C="1256.0083" Error="0.0398"/>
<QuasiParabolic ID="5" StartDistance="6587.0" EndDistance="6591.0" A="7.547876E12" B="-2.29188941E9" C="173981.4" Error="0.0246"/>
<QuasiParabolic ID="6" StartDistance="6591.0" EndDistance="6594.0" A="1.55298929E12" B="-4.72776352E8" C="35981.637" Error="0.0122"/>
<QuasiParabolic ID="7" StartDistance="6594.0" EndDistance="6605.0" A="8.7152216E12" B="-2.64512461E9" C="200703.22" Error="0.016"/>
<QuasiParabolic ID="8" StartDistance="6605.0" EndDistance="6641.0" A="2.56351603E13" B="-7.7684972E9" C="588543.7" Error="0.0348"/>
<QuasiParabolic ID="9" StartDistance="6641.0" EndDistance="6653.0" A="-4.7930807E13" B="1.43865897E10" C="-1079509.9" Error="0.00529"/>
<QuasiParabolic ID="10" StartDistance="6653.0" EndDistance="6659.496" A="-7.5673809E13" B="2.27265884E10" C="-1706294.6" Error="2.36E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="108.078" Depth="0.154"/>
<TopsideChapman PeakHeight="289.496" PeakDensity="431885.84" PeakScaleHeight="18.78" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
