<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-03-19 -078 06:50:00.000"
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: 95% PACIFIC flags: Multiple candidates for F2x cusp</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.03.19 (078) 06:50:00</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">
FF202607803190650001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.050" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.746" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="18.917" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.200" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.200" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="5.350" 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="0.200" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="4.600" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="242.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.200" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.200" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="225.945" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="195.548" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.218" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="42.794" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="2.995" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="23.211" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="34.590" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="4.360" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="115">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
2.2 2.225 2.25 2.275 2.3 2.325 2.35 2.375 2.4 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
192.500 192.500 192.500 192.500 193.333 194.167 195.000 195.000 195.000 195.000 195.000 195.000 195.625 196.250 196.875 197.500 197.500 197.500 195.000 197.500 197.500 197.500 197.500 197.500 197.500 197.500 198.750 200.000 200.000 200.000 200.000 200.000 200.000 200.000 200.000 200.000 200.000 202.500 202.500 202.500 202.500 203.750 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 207.500 207.500 207.500 207.500 207.500 207.500 207.500 208.750 210.000 210.000 210.625 211.250 211.875 212.500 213.125 213.750 214.375 215.000 215.625 216.250 216.875 217.500 217.500 217.500 220.000 220.000 220.000 222.500 222.500 222.500 225.000 225.000 225.000 227.500 227.500 230.000 230.000 232.500 232.500 235.000 235.000 235.000 240.000 240.000 242.500 242.500 247.500 250.000 252.500 252.500 255.000 257.500 260.000 263.508 267.381 271.679 276.475 281.861 287.953 294.901 302.897 312.200 323.156 336.251
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
81 0 0 57 0 0 54 78 78 72 72 75 0 0 0 66 0 66 69 69 72 72 72 60 63 60 60 84 0 0 66 93 93 81 81 78 81 84 0 99 96 0 90 93 93 96 96 99 99 99 99 84 84 87 87 84 84 81 84 96 96 0 0 0 0 0 0 0 0 0 0 0 105 108 108 105 108 108 105 96 96 96 99 96 93 96 93 96 93 72 69 72 69 87 90 78 75 102 102 90 93 93 93 93 87 93 96 60 60 99 96 57 0 51 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 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 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 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 -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="517">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 129.25 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 148.5 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 167.75 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 225.945 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0 540.0 541.0 542.0 543.0 544.0 545.0 546.0 547.0 548.0 549.0 550.0 551.0 552.0 553.0 554.0 555.0 556.0 557.0 558.0 559.0 560.0 561.0 562.0 563.0 564.0 565.0 566.0 567.0 568.0 569.0 570.0 571.0 572.0 573.0 574.0 575.0 576.0 577.0 578.0 579.0 580.0 581.0 582.0 583.0 584.0 585.0 586.0 587.0 588.0 589.0 590.0 591.0 592.0 593.0 594.0 595.0 596.0 597.0 598.0 599.0 600.0 601.0 602.0 603.0 604.0 605.0
</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 0.35375586 0.35312265 0.35191265 0.35033494 0.34821823 0.34559593 0.34250996 0.33892286 0.3348177 0.33020067 0.32495445 0.3191686 0.31270903 0.30557105 0.2977397 0.28906867 0.2796508 0.26920512 0.2577122 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.254 0.2565974 0.2617922 0.26698703 0.2721818 0.27737662 0.28257143 0.28776625 0.29296103 0.29815584 0.30335066 0.30854544 0.31374025 0.31893507 0.32412988 0.32932466 0.33451948 0.3397143 0.3449091 0.35010388 0.354 0.3692984 0.41814202 0.4602829 0.50053465 0.540607 0.58144444 0.6237275 0.66805035 0.71497166 0.76512784 0.81923956 0.8781472 0.9429027 1.0148784 1.0958444 1.1881579 1.2950515 1.4209307 1.5715513 1.7536317 1.9717263 2.220765 2.4815161 2.731012 2.956768 3.156969 3.3340943 3.4916875 3.632976 3.7605247 3.8764155 3.9822843 4.0794015 4.1688104 4.2513547 4.3277144 4.3984594 4.4640746 4.5249505 4.581433 4.633812 4.6823297 4.727223 4.7686534 4.806801 4.8418026 4.873787 4.902853 4.929105 4.952621 4.973471 4.9917207 5.007418 5.0206103 5.031332 5.039612 5.0454745 5.048932 5.05 5.0499973 5.0489907 5.046206 5.041693 5.0355024 5.0276847 5.018291 5.0073724 4.99498 4.981164 4.9659753 4.9494634 4.9316792 4.912671 4.892488 4.871178 4.8487887 4.825367 4.8009586 4.7756085 4.7493615 4.722261 4.69435 4.665669 4.63626 4.6061625 4.5754156 4.544057 4.5121236 4.479652 4.4466763 4.413231 4.379349 4.3450627 4.3104033 4.2754006 4.240084 4.2044816 4.168621 4.132529 4.0962296 4.059749 4.0231104 3.9863365 3.9494498 3.912471 3.8754208 3.8383188 3.801184 3.7640343 3.7268867 3.6897585 3.6526651 3.6156218 3.5786433 3.5417435 3.5049355 3.4682322 3.4316454 3.395187 3.3588674 3.3226972 3.2866864 3.2508442 3.2151794 3.1797004 3.1444151 3.1093311 3.0744555 3.0397944 3.0053546 2.9711416 2.9371607 2.9034173 2.8699162 2.8366616 2.8036575 2.7709079 2.7384162 2.7061853 2.6742187 2.6425185 2.6110876 2.5799277 2.5490408 2.518429 2.4880934 2.4580352 2.4282558 2.398756 2.3695364 2.3405976 2.3119402 2.2835643 2.2554698 2.2276566 2.200125 2.1728742 2.1459038 2.1192136 2.0928025 2.06667 2.040815 2.0152369 1.9899342 1.964906 1.940151 1.915668 1.8914554 1.8675121 1.8438364 1.8204267 1.7972815 1.7743992 1.7517778 1.7294158 1.7073113 1.6854625 1.6638675 1.6425244 1.6214311 1.6005859 1.5799868 1.5596316 1.5395182 1.5196449 1.5000092 1.4806093 1.461443 1.4425081 1.4238025 1.4053242 1.387071 1.3690406 1.351231 1.33364 1.3162655 1.2991052 1.2821571 1.2654189 1.2488884 1.2325637 1.2164425 1.2005225 1.1848019 1.1692784 1.1539497 1.138814 1.1238691 1.1091127 1.094543 1.0801578 1.065955 1.0519326 1.0380886 1.0244209 1.0109276 0.99760646 0.9844557 0.97147334 0.9586574 0.9460059 0.9335169 0.9211886 0.909019 0.8970062 0.8851484 0.8734438 0.86189044 0.8504866 0.83923036 0.82812005 0.8171539 0.8063301 0.7956469 0.78510267 0.77469563 0.76442415 0.7542865 0.7442811 0.73440623 0.72466034 0.7150418 0.70554906 0.69618046 0.68693453 0.6778097 0.66880447 0.65991735 0.6511468 0.6424914 0.6339497 0.62552017 0.6172015 0.6089922 0.600891 0.59289634 0.585007 0.57722163 0.5695389 0.5619574 0.55447596 0.54709315 0.53980786 0.53261876 0.5255246 0.5185242 0.51161635 0.5047998 0.49807343 0.49143603 0.48488647 0.4784236 0.47204632 0.46575347 0.45954403 0.45341685 0.4473709 0.44140506 0.43551835 0.42970973 0.42397818 0.41832268 0.41274223 0.40723586 0.4018026 0.39644152 0.3911516 0.385932 0.38078174 0.37569994 0.37068567 0.36573803 0.3608562 0.35603932 0.35128647 0.34659684 0.3419696 0.33740395 0.33289906 0.3284541 0.32406834 0.31974095 0.31547117 0.31125826 0.30710143 0.30299997 0.29895315 0.29496026 0.29102054 0.28713334 0.28329793 0.2795136 0.27577975 0.27209565 0.26846066 0.26487416 0.26133546 0.25784394 0.25439897 0.25099996 0.24764627 0.24433732 0.2410725 0.23785123 0.23467295 0.23153706 0.22844301 0.22539026 0.22237822 0.2194064 0.21647422 0.21358119 0.21072675 0.20791043 0.20513171 0.20239006 0.19968502 0.1970161 0.19438282 0.19178468 0.18922123 0.18669201 0.18419658 0.18173446 0.17930521 0.17690842 0.17454363 0.17221043 0.16990839 0.1676371 0.16539614 0.16318512 0.16100362 0.15885128 0.15672769 0.15463246 0.15256523 0.15052561 0.14851324 0.14652777 0.14456882 0.14263603 0.14072907 0.1388476 0.13699128 0.13515975 0.13335268 0.13156979 0.1298107 0.12807512 0.12636276 0.124673255 0.12300634 0.1213617 0.11973904 0.11813807 0.1165585 0.11500003 0.1134624 0.111945316 0.11044852 0.108971715 0.10751466 0.106077075 0.104658715 0.1032593 0.101878606 0.10051636 0.099172324 0.097846255 0.09653791 0.09524706 0.093973465 0.092716895 0.091477126 0.09025393 0.089047074 0.08785637 0.08668157 0.08552248 0.08437889 0.08325059 0.08213737 0.081039034 0.07995538 0.07888622 0.07783134 0.07679058 0.075763725 0.0747506 0.073751025 0.072764814 0.07179179 0.07083177 0.06988459 0.06895007 0.06802805 0.067118354 0.06622083 0.065335296 0.064461604 0.063599594 0.06274911 0.061910003 0.06108211 0.06026529 0.059459392 0.058664266 0.057879776 0.057105772 0.05634212 0.055588678 0.05484531 0.054111883 0.053388264 0.05267432 0.051969923 0.051274944 0.05058926

</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="5.05" PeakHeight="225.945" Num="5" zHalfNm="195.548" Error="0.947">
-70.459 20.137 -11.629 3.746 0.01
</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="6499.25" A="-2.90721038E11" B="8.972872E7" C="-6923.387" Error="9.59E-4"/>
<QuasiParabolic ID="2" StartDistance="6499.25" EndDistance="6518.5" A="0.0" B="2192.4038" C="-0.27275392" Error="0.0145"/>
<QuasiParabolic ID="3" StartDistance="6518.5" EndDistance="6536.0" A="-9.66447E9" B="2831059.0" C="-206.79955" Error="0.0145"/>
<QuasiParabolic ID="4" StartDistance="6536.0" EndDistance="6539.0" A="9.8827439E12" B="-3.0242217E9" C="231360.88" Error="0.0604"/>
<QuasiParabolic ID="5" StartDistance="6539.0" EndDistance="6545.0" A="2.71354062E12" B="-8.314695E8" C="63693.64" Error="0.00638"/>
<QuasiParabolic ID="6" StartDistance="6545.0" EndDistance="6554.0" A="1.76216426E13" B="-5.3870392E9" C="411712.72" Error="0.0714"/>
<QuasiParabolic ID="7" StartDistance="6554.0" EndDistance="6562.0" A="1.47355328E14" B="-4.4976202E10" C="3431941.8" Error="0.0399"/>
<QuasiParabolic ID="8" StartDistance="6562.0" EndDistance="6568.0" A="-1.17833845E14" B="3.5849515E10" C="-2726677.2" Error="0.0275"/>
<QuasiParabolic ID="9" StartDistance="6568.0" EndDistance="6595.945" A="-2.45571781E13" B="7.446144E9" C="-564423.1" Error="0.0172"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="57.75" Depth="0.1"/>
<TopsideChapman PeakHeight="225.945" PeakDensity="316408.2" PeakScaleHeight="23.211" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
