<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-13 -103 21:25:00.000"
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" >
2026.04.13 (103) 21:25:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202610304132125001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="6.400" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.920" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="25.086" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.575" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.575" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="6.775" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="192.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="192.500" 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="0.100" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="6.100" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="243.517" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.931" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.575" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.575" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="214.685" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="189.189" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="7.216" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="36.167" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="4.153" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="19.473" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="31.020" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.670" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="154">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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 5.85 5.875 5.9 5.925 5.95 5.975 6.0 6.025 6.05 6.075 6.1 6.125 6.15 6.175 6.2 6.225 6.25 6.275 6.3 6.325 6.35 6.375 6.4
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 192.500 195.000 195.000 195.000 195.000 195.000 195.000 195.000 195.000 195.000 195.000 195.000 195.000 195.000 195.000 195.000 195.000 196.250 197.500 197.500 197.500 197.500 197.500 197.500 197.500 197.500 197.500 197.500 197.500 200.000 200.000 200.000 200.000 200.000 200.000 200.000 202.500 201.250 200.000 200.000 200.000 200.000 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 207.500 207.500 207.500 207.500 207.500 207.500 207.500 207.500 210.000 210.000 210.000 210.000 210.000 210.000 210.000 210.000 212.500 212.500 212.500 212.500 212.500 212.500 215.000 215.000 215.000 215.000 215.000 217.500 217.500 217.500 217.500 217.500 220.000 220.000 220.000 222.500 222.500 222.500 222.500 222.500 225.000 226.250 227.500 227.500 227.500 230.000 230.000 232.500 232.500 235.000 235.000 237.500 237.500 238.770 240.179 241.751 243.517 245.514 247.792 250.414 253.464 257.056 261.350 266.572 273.060 281.340 292.270 307.366 329.571
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
63 60 60 60 60 63 63 0 75 75 51 51 36 0 0 0 0 0 0 0 84 84 72 75 72 72 72 75 75 72 87 84 87 0 84 84 72 72 72 75 60 60 60 63 75 75 60 60 60 57 69 69 96 96 96 93 81 84 72 72 0 96 75 72 84 84 72 75 87 87 87 84 72 72 48 48 48 45 57 60 84 87 96 99 87 84 75 75 90 90 90 87 111 108 96 99 99 99 99 96 108 108 96 99 111 111 96 96 99 99 99 96 96 99 111 108 108 108 96 96 105 105 108 105 105 108 87 93 93 90 93 93 93 93 90 90 90 90 93 90 99 99 102 102 99 96 84 81 81 78 78 0 75 0
</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 -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="463">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
90.352 91.0 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 129.25 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 148.5 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 167.75 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 214.685 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.27486682 0.402297 0.49318394 0.5627284 0.6196864 0.66801566 0.7098453 0.7464322 0.7785829 0.8068774 0.8317072 0.85337293 0.8720927 0.8880402 0.9013471 0.912114 0.9204158 0.92630804 0.9298287 0.931 0.9303923 0.9285098 0.9254369 0.9210858 0.915516 0.9086249 0.9004638 0.8909419 0.88002366 0.8676847 0.85386026 0.8385605 0.8216293 0.802886 0.78239125 0.7598293 0.7351262 0.7079718 0.6780198 0.669 0.669 0.669 0.669 0.669 0.669 0.669 0.669 0.669 0.669 0.669 0.669 0.669 0.669 0.669 0.669 0.669 0.669 0.669 0.669 0.669 0.6758052 0.6894156 0.703026 0.71663636 0.7302468 0.74385715 0.7574675 0.77107793 0.7846883 0.7982987 0.8119091 0.8255195 0.83912987 0.8527403 0.86635065 0.879961 0.89357144 0.9071818 0.9207922 0.931 0.94851416 1.021736 1.1005294 1.1857191 1.2782317 1.3792042 1.4898882 1.611787 1.7465504 1.895947 2.0617838 2.2454443 2.447543 2.6671305 2.9011753 3.1445704 3.3907046 3.6332445 3.8670442 4.08874 4.2967095 4.4904265 4.670207 4.836651 4.990586 5.132934 5.26452 5.386132 5.498478 5.602172 5.6978097 5.7858834 5.8668275 5.941024 6.008803 6.0704646 6.126269 6.1764407 6.221169 6.260632 6.294972 6.324306 6.348741 6.3683605 6.383232 6.393405 6.398911 6.4 6.399837 6.39719 6.3913875 6.382537 6.3707476 6.3561287 6.3387895 6.3188396 6.296387 6.27154 6.2444053 6.2150884 6.1836934 6.150323 6.1150775 6.0780563 6.039356 5.9990716 5.957295 5.914117 5.869625 5.8239045 5.7770386 5.7291074 5.6801896 5.63036 5.579693 5.528257 5.4761214 5.423352 5.370011 5.3161592 5.2618556 5.2071557 5.152114 5.096781 5.041206 4.9854364 4.929517 4.873491 4.817399 4.76128 4.7051716 4.649108 4.5931234 4.5372496 4.481516 4.4259515 4.3705826 4.3154354 4.260533 4.205898 4.1515512 4.0975137 4.0438027 3.9904363 3.9374306 3.8848007 3.8325605 3.780723 3.7293007 3.6783042 3.6277437 3.577629 3.5279684 3.4787698 3.4300401 3.3817856 3.334012 3.286724 3.2399268 3.1936233 3.1478174 3.1025116 3.057708 3.0134084 2.9696145 2.9263268 2.8835456 2.8412716 2.7995043 2.758243 2.7174869 2.6772346 2.6374853 2.5982363 2.5594864 2.5212328 2.4834735 2.4462056 2.4094265 2.3731327 2.3373218 2.3019896 2.2671332 2.232749 2.198833 2.1653817 2.1323907 2.0998564 2.0677745 2.036141 2.0049512 1.9742011 1.9438863 1.9140023 1.8845447 1.855509 1.8268906 1.798685 1.7708875 1.7434934 1.7164985 1.6898978 1.6636868 1.6378607 1.6124151 1.5873452 1.5626465 1.5383143 1.5143441 1.4907311 1.4674711 1.4445592 1.4219911 1.3997623 1.3778682 1.3563044 1.3350666 1.3141502 1.2935511 1.2732649 1.2532872 1.233614 1.2142408 1.1951636 1.1763784 1.1578808 1.139667 1.1217328 1.1040744 1.0866877 1.069569 1.0527142 1.0361198 1.0197818 1.0036966 0.9878603 0.9722696 0.9569207 0.9418101 0.9269342 0.9122897 0.897873 0.8836808 0.86970985 0.85595673 0.8424182 0.8290911 0.8159722 0.8030584 0.79034656 0.77783376 0.7655169 0.75339293 0.7414591 0.7297124 0.7181501 0.7067692 0.69556713 0.684541 0.67368823 0.6630061 0.65249205 0.6421434 0.63195777 0.6219325 0.61206514 0.60235333 0.5927946 0.5833866 0.574127 0.5650135 0.5560439 0.5472159 0.53852725 0.5299759 0.5215596 0.51327634 0.50512403 0.4971006 0.48920405 0.4814324 0.4737837 0.46625605 0.45884755 0.4515563 0.4443805 0.43731833 0.430368 0.4235278 0.41679594 0.41017076 0.40365058 0.39723375 0.39091864 0.38470367 0.37858722 0.37256777 0.3666438 0.3608138 0.35507628 0.34942982 0.34387293 0.33840424 0.33302233 0.32772583 0.32251343 0.31738377 0.31233555 0.3073675 0.30247834 0.29766682 0.2929317 0.2882718 0.28368592 0.2791729 0.27473158 0.2703608 0.2660595 0.26182652 0.25766078 0.2535613 0.24952692 0.24555667 0.24164952 0.23780449 0.23402058 0.2302968 0.22663224 0.22302593 0.21947695 0.2159844 0.21254739 0.20916502 0.20583645 0.20256078 0.19933723 0.19616492 0.19304308 0.18997088 0.18694754 0.18397228 0.18104436 0.178163 0.17532748 0.17253706 0.16979101 0.16708867 0.1644293 0.16181225 0.15923682 0.15670237 0.15420824 0.1517538 0.1493384 0.14696142 0.14462227 0.14232033 0.14005503 0.13782577 0.13563198 0.1334731 0.13134857 0.12925784 0.1272004 0.12517567 0.123183176 0.12122239 0.1192928 0.117393926 0.11552527 0.113686346 0.11187669 0.11009583 0.10834332 0.106618695 0.10492152 0.10325135 0.10160776 0.09999034 0.098398656 0.0968323 0.09529088 0.09377399 0.092281245 0.09081226 0.08936665 0.08794405 0.0865441 0.085166425 0.08381068 0.08247651 0.081163585 0.07987155 0.078600086 0.07734886 0.076117545 0.074905835 0.07371341 0.07253996 0.0713852 0.07024881 0.06913051 0.068030015 0.066947035 0.0658813 0.06483252 0.06380044 0.06278478 0.0617853 0.060801726 0.059833806 0.058881294 0.057943948 0.057021517 0.056113776 0.05522048 0.054341406 0.053476326 0.052625015 0.051787257 0.050962836 0.050151534

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.931" PeakHeight="110.0" Num="3" Error="0.0">
-26.18 7.663 -1.131
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.931" EndFrequency="6.4" PeakHeight="214.685" Num="5" zHalfNm="189.189" Error="0.517">
-54.446 11.926 -5.412 1.059 -0.062
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="10" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6459.947" EndDistance="6480.001" A="-3.77718755E12" B="1.16579853E9" C="-89952.73" Error="0.00478"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6499.25" A="-2.00836317E12" B="6.1986515E8" C="-47828.234" Error="0.00103"/>
<QuasiParabolic ID="2" StartDistance="6499.25" EndDistance="6518.5" A="0.0" B="-1249.9937" C="0.6394979" Error="8.76E-4"/>
<QuasiParabolic ID="3" StartDistance="6518.5" EndDistance="6537.0" A="3.34734262E11" B="-1.03475088E8" C="7996.7134" Error="0.00191"/>
<QuasiParabolic ID="4" StartDistance="6537.0" EndDistance="6539.0" A="6.6944007E13" B="-2.04826317E10" C="1566751.2" Error="0.0088"/>
<QuasiParabolic ID="5" StartDistance="6539.0" EndDistance="6541.0" A="1.06923756E13" B="-3.27766707E9" C="251185.81" Error="0.00694"/>
<QuasiParabolic ID="6" StartDistance="6541.0" EndDistance="6545.0" A="4.6865958E13" B="-1.43382333E10" C="1096665.5" Error="0.00324"/>
<QuasiParabolic ID="7" StartDistance="6545.0" EndDistance="6549.0" A="1.00158646E14" B="-3.06232422E10" C="2340745.8" Error="0.00738"/>
<QuasiParabolic ID="8" StartDistance="6549.0" EndDistance="6555.0" A="1.60763814E14" B="-4.9131459E10" C="3753802.5" Error="0.00958"/>
<QuasiParabolic ID="9" StartDistance="6555.0" EndDistance="6584.685" A="-5.8682482E13" B="1.78239304E10" C="-1353397.2" Error="0.00772"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="57.75" Depth="0.262"/>
<TopsideChapman PeakHeight="214.685" PeakDensity="508188.6" PeakScaleHeight="19.473" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
