<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-10-31 -304 07:45:00.000"
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="20.0">
<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: 95% PACIFIC flags: Multiple candidates for F2x cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.10.31 (304) 07:45:00</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">
FF202630410310745001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.825" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.738" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="21.774" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.425" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.425" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.125" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="210.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="210.000" 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="5.475" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="257.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.485" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.425" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.425" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="234.025" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="209.101" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.231" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="35.421" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="3.321" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="19.010" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="30.810" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.410" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="137">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
210.000 210.000 210.000 210.000 210.000 210.000 210.000 210.000 210.000 210.000 210.000 210.000 210.000 210.000 210.000 212.500 212.500 212.813 213.125 213.438 213.750 214.063 214.375 214.688 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 220.000 220.000 220.000 220.000 220.000 220.000 220.000 220.000 222.500 222.500 222.500 222.500 222.500 222.500 222.500 222.500 222.500 222.500 225.000 225.000 225.000 225.000 225.000 225.000 225.000 225.000 227.500 227.500 227.500 227.500 227.500 227.500 227.500 230.000 230.000 230.000 230.000 230.000 230.000 232.500 232.500 232.500 232.500 232.500 235.000 235.000 235.000 235.000 237.500 237.500 237.500 237.500 240.000 240.000 240.000 240.000 242.500 242.500 242.500 245.000 245.000 247.500 247.500 247.500 250.000 250.000 252.500 252.500 255.000 255.000 257.500 257.500 257.500 260.000 262.500 267.500 270.000 270.000 272.500 274.879 277.777 281.385 286.000 292.112 300.592 313.143 333.628
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
57 57 75 72 63 60 63 60 60 60 60 60 0 63 75 75 51 0 0 0 0 0 0 0 57 57 72 72 75 75 75 75 90 87 75 75 75 69 72 75 87 90 90 90 78 78 66 63 63 63 60 60 60 60 45 42 66 69 63 66 93 96 72 72 72 72 84 84 81 81 84 87 75 75 75 75 75 75 75 75 48 48 45 42 42 42 66 66 87 87 0 78 66 69 81 84 84 84 96 99 99 96 93 96 84 81 93 93 93 93 96 90 81 81 72 72 78 81 84 87 84 87 87 87 84 87 90 90 78 75 87 90 90 87 87 78 81
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
3.125 -3.125 -3.125 3.125 3.125 3.125 3.125 3.125 3.125 -3.125 3.125 -3.125 3.125 3.125 3.125 3.125 3.125 -3.125 3.125 3.125 -3.125 -3.125 -3.125 -3.125 -3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 -3.125 -3.125 3.125 3.125 3.125 -3.125 -3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 -3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 -3.125 -3.125 -3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 -3.125 -3.125 -3.125 3.125 -3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 3.125 -3.125 3.125 3.125 -3.125 3.125 3.125 3.125 -3.125 3.125 -3.125 -3.125 -3.125 3.125 -3.125 3.125 3.125 -3.125 -3.125 -3.125 -3.125 3.125 -3.125 -3.125 -3.125 -3.125
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="466">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
91.762 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 133.33333 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 156.66667 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 234.025 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.21121109 0.25449193 0.2905862 0.3208091 0.34656915 0.36882842 0.38824236 0.40524757 0.4201598 0.43320778 0.44455945 0.45434624 0.4626664 0.46959656 0.4751961 0.47950804 0.48256645 0.48439264 0.485 0.4847234 0.48384443 0.48236912 0.48023415 0.4776303 0.47428423 0.4704224 0.4658892 0.46064207 0.454744 0.44817936 0.44078603 0.43268883 0.42379618 0.41393337 0.40322697 0.39142907 0.37850082 0.36436275 0.34873238 0.33146954 0.31228024 0.2907326 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.279 0.28194284 0.29077142 0.2996 0.3084286 0.31725714 0.32608572 0.3349143 0.34374285 0.35257143 0.3614 0.37022856 0.37905714 0.38788572 0.3967143 0.40554285 0.41437143 0.4232 0.43202856 0.44085714 0.44968572 0.45851427 0.46734285 0.47617143 0.485 0.5408762 0.5961275 0.6521175 0.7096885 0.7695262 0.83222204 0.898321 0.96840304 1.0431017 1.1230359 1.20897 1.3016977 1.4021047 1.5111654 1.6298459 1.7592161 1.9001375 2.0533028 2.2188497 2.396252 2.5840232 2.7796607 2.9799385 3.181176 3.3798983 3.5731604 3.7588437 3.9355214 4.10254 4.259553 4.406696 4.5442066 4.672489 4.7919326 4.90297 5.0060678 5.1016116 5.189982 5.2715297 5.3465576 5.4153423 5.4781637 5.535215 5.586711 5.6328297 5.6737175 5.709516 5.7403326 5.766269 5.787404 5.803802 5.8155136 5.8225713 5.8249907 5.825 5.8235197 5.818994 5.8115273 5.801226 5.788197 5.7725472 5.7543836 5.733813 5.71094 5.68587 5.658706 5.6295505 5.5985036 5.565664 5.5311284 5.4949913 5.4573455 5.418281 5.377887 5.3362474 5.2934465 5.2495656 5.204682 5.158871 5.112208 5.064762 5.016602 4.9677935 4.9184003 4.868483 4.8181 4.7673078 4.7161603 4.6647086 4.613002 4.5610876 4.509011 4.4568143 4.404539 4.3522234 4.299905 4.247618 4.195397 4.1432724 4.0912747 4.0394316 3.98777 3.9363153 3.8850904 3.8341181 3.7834191 3.733013 3.6829176 3.6331506 3.5837276 3.5346634 3.485972 3.4376655 3.3897562 3.3422546 3.2951708 3.2485137 3.2022917 3.1565123 3.1111817 3.0663068 3.0218923 2.977943 2.9344633 2.8914566 2.8489258 2.8068736 2.7653017 2.724212 2.6836054 2.6434827 2.603844 2.5646892 2.5260181 2.48783 2.4501235 2.4128976 2.3761504 2.3398805 2.3040853 2.2687626 2.2339098 2.1995244 2.1656036 2.1321437 2.0991423 2.0665953 2.0344996 2.0028512 1.9716469 1.9408824 1.910554 1.8806577 1.851189 1.8221443 1.7935189 1.7653087 1.7375095 1.7101166 1.6831259 1.6565326 1.6303326 1.6045213 1.5790939 1.5540463 1.5293738 1.5050716 1.4811356 1.457561 1.4343433 1.4114782 1.3889608 1.366787 1.3449521 1.3234518 1.3022814 1.2814367 1.2609134 1.2407069 1.2208132 1.2012277 1.1819462 1.1629646 1.1442786 1.125884 1.1077769 1.0899531 1.0724083 1.055139 1.0381407 1.0214097 1.0049423 0.98873436 0.9727822 0.9570821 0.94163024 0.926423 0.9114567 0.8967278 0.8822327 0.86796796 0.85393006 0.84011555 0.8265211 0.8131433 0.799979 0.7870248 0.7742775 0.761734 0.74939114 0.73724586 0.72529507 0.71353585 0.7019651 0.69058 0.6793777 0.6683552 0.65750986 0.64683884 0.6363395 0.62600905 0.61584485 0.6058444 0.59600496 0.58632416 0.57679945 0.56742835 0.5582084 0.5491373 0.54021263 0.5314321 0.5227934 0.5142943 0.5059326 0.49770615 0.4896127 0.48165017 0.4738165 0.46610963 0.45852754 0.4510682 0.4437297 0.4365101 0.42940745 0.42241994 0.41554567 0.40878287 0.40212974 0.39558452 0.38914546 0.3828109 0.3765791 0.37044847 0.3644173 0.3584841 0.35264722 0.3469051 0.34125626 0.33569917 0.33023235 0.32485434 0.31956372 0.3143591 0.30923903 0.3042022 0.29924724 0.29437286 0.2895777 0.28486052 0.28022003 0.27565503 0.27116427 0.26674658 0.26240072 0.25812557 0.25391996 0.2497828 0.24571295 0.24170932 0.23777084 0.23389646 0.23008515 0.22633587 0.2226476 0.2190194 0.21545024 0.21193919 0.2084853 0.20508766 0.20174533 0.19845742 0.19522305 0.19204135 0.18891147 0.18583256 0.18280378 0.17982434 0.17689343 0.17401025 0.17117403 0.16838403 0.16563946 0.16293961 0.16028373 0.15767112 0.15510108 0.1525729 0.15008591 0.14763944 0.14523283 0.14286543 0.1405366 0.13824573 0.13599218 0.13377535 0.13159464 0.12944947 0.12733926 0.12526344 0.12322144 0.12121272 0.11923673 0.11729295 0.115380846 0.1134999 0.11164961 0.10982948 0.10803901 0.10627773 0.10454514 0.1028408 0.10116424 0.099515 0.09789264 0.09629673 0.09472683 0.09318252 0.091663375 0.090169 0.08869898 0.08725292 0.085830435 0.084431134 0.08305465 0.08170059 0.080368616 0.07905835 0.077769436 0.07650154 0.07525431 0.07402741 0.072820514 0.071633294 0.07046542 0.06931659 0.068186484 0.067074805 0.06598125 0.06490552 0.06384732 0.062806375 0.061782405 0.060775124 0.059784263 0.05880956 0.05785074 0.056907557 0.05597975 0.055067066 0.054169264 0.053286098 0.052417327 0.051562723 0.05072205

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.485" PeakHeight="110.0" Num="3" Error="0.0">
-22.049 4.183 -0.372
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.485" EndFrequency="5.825" PeakHeight="234.025" Num="5" zHalfNm="209.101" Error="0.229">
-60.46 10.491 -5.985 2.072 -0.143
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="14" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6460.005" EndDistance="6480.001" A="-1.03094983E12" B="3.181944E8" C="-24551.8" Error="0.00909"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6503.333" A="-5.12378864E11" B="1.58141616E8" C="-12202.05" Error="0.00395"/>
<QuasiParabolic ID="2" StartDistance="6503.333" EndDistance="6526.667" A="0.0" B="1363.3136" C="-0.13148426" Error="0.00567"/>
<QuasiParabolic ID="3" StartDistance="6526.667" EndDistance="6528.0" A="-6.1312776E12" B="1.87841856E9" C="-143871.08" Error="0.0103"/>
<QuasiParabolic ID="4" StartDistance="6528.0" EndDistance="6529.0" A="7.9056276E12" B="-2.42210381E9" C="185519.44" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6529.0" EndDistance="6530.0" A="-6.8572047E12" B="2.10012979E9" C="-160799.6" Error="3.24E-10"/>
<QuasiParabolic ID="6" StartDistance="6530.0" EndDistance="6532.0" A="2.18891931E12" B="-6.7050534E8" C="51347.055" Error="0.0187"/>
<QuasiParabolic ID="7" StartDistance="6532.0" EndDistance="6547.0" A="3.00175237E10" B="-9482145.0" C="748.2195" Error="0.0182"/>
<QuasiParabolic ID="8" StartDistance="6547.0" EndDistance="6548.0" A="-1.68634941E12" B="5.14839488E8" C="-39294.676" Error="0.0"/>
<QuasiParabolic ID="9" StartDistance="6548.0" EndDistance="6553.0" A="1.31118966E13" B="-4.00508902E9" C="305843.44" Error="0.0155"/>
<QuasiParabolic ID="10" StartDistance="6553.0" EndDistance="6559.0" A="1.08140901E13" B="-3.30379008E9" C="252333.66" Error="0.0184"/>
<QuasiParabolic ID="11" StartDistance="6559.0" EndDistance="6564.0" A="3.29379029E13" B="-1.00498831E10" C="766595.94" Error="0.004"/>
<QuasiParabolic ID="12" StartDistance="6564.0" EndDistance="6577.0" A="8.313988E13" B="-2.53460357E10" C="1931750.9" Error="0.0172"/>
<QuasiParabolic ID="13" StartDistance="6577.0" EndDistance="6604.025" A="-5.1454677E13" B="1.55828234E10" C="-1179763.5" Error="0.00834"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="70.0" Depth="0.206"/>
<TopsideChapman PeakHeight="234.025" PeakDensity="420975.5" PeakScaleHeight="19.01" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
