<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-06 -126 07:25:00.000"
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="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" >
2026.05.06 (126) 07:25:00</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">
FF202612605060725001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.250" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.502" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="11.380" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.925" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.925" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.625" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="277.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="277.500" 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="0.050" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.075" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="292.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.950" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.950" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="270.634" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="247.226" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.361" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="33.514" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.003" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="17.952" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="32.110" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.550" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="14">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
280.000 277.500 280.000 282.500 287.500 290.000 292.500 297.500 302.500 315.000 322.500 325.000 355.000 402.500
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 78 66 69 78 81 93 96 93 90 90 93 102 96
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="451">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 144.747 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 179.494 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 214.241 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 270.634 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0 534.0 535.0 536.0 537.0 538.0 539.0
</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 0.35313663 0.3524263 0.35157037 0.35042325 0.34913787 0.34764504 0.34595087 0.34406236 0.3419169 0.3395955 0.33703944 0.33426252 0.33121407 0.32797855 0.3244479 0.32065007 0.31667355 0.31237236 0.3077359 0.3028699 0.29767114 0.2920913 0.2862007 0.27992925 0.27325547 0.26620895 0.2586117 0.25051254 0.24188003 0.23259607 0.22269629 0.21201308 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 0.20224261 0.20667465 0.21110669 0.21553873 0.21997076 0.2244028 0.22883484 0.23326688 0.23769891 0.24213095 0.24656299 0.250995 0.25542706 0.25985909 0.26429114 0.26872316 0.2731552 0.27758723 0.2820193 0.2864513 0.29088336 0.29531538 0.29974744 0.30417946 0.3086115 0.31304353 0.3174756 0.3219076 0.32633966 0.33077168 0.33520374 0.33963576 0.3440678 0.34849983 0.3529319 0.354 0.37254852 0.39992967 0.4307196 0.46478513 0.5018071 0.54136664 0.5830639 0.6265762 0.6716703 0.71822196 0.76618344 0.81554824 0.8663836 0.91874886 0.9727562 1.0285007 1.0861093 1.1456909 1.2073727 1.2712516 1.3374352 1.4059871 1.4769214 1.5502677 1.6259226 1.7037735 1.7835786 1.8650266 1.9477096 2.0311196 2.1146834 2.1978018 2.279812 2.3601232 2.4381585 2.5134263 2.5855372 2.6541572 2.719082 2.7801566 2.8373027 2.8904893 2.939729 2.9850652 3.0265503 3.064267 3.0982814 3.1286778 3.155528 3.1789095 3.1988842 3.21551 3.2288332 3.2388973 3.245732 3.249358 3.25 3.2498686 3.2481916 3.2446396 3.239283 3.2321925 3.2234385 3.2130923 3.2012246 3.187905 3.1732032 3.157188 3.1399264 3.1214855 3.1019301 3.0813246 3.0597308 3.03721 3.0138216 2.9896233 2.964671 2.9390192 2.9127202 2.8858254 2.8583834 2.830442 2.802046 2.7732403 2.7440662 2.7145643 2.6847737 2.6547308 2.6244714 2.5940294 2.563437 2.5327249 2.5019224 2.4710572 2.4401557 2.4092429 2.3783429 2.3474774 2.3166685 2.2859354 2.2552974 2.224772 2.1943758 2.1641247 2.1340332 2.1041148 2.0743825 2.044848 2.0155225 1.9864163 1.9575387 1.9288985 1.9005038 1.8723619 1.8444797 1.8168632 1.7895181 1.7624493 1.7356613 1.7091581 1.6829433 1.65702 1.6313908 1.6060581 1.5810236 1.556289 1.5318555 1.5077238 1.4838947 1.4603684 1.437145 1.4142243 1.3916056 1.3692887 1.3472724 1.3255558 1.3041376 1.2830163 1.2621906 1.2416586 1.2214185 1.2014683 1.1818061 1.1624296 1.1433364 1.1245244 1.1059909 1.0877335 1.0697496 1.0520366 1.0345917 1.0174122 1.0004952 0.98383796 0.9674376 0.9512912 0.9353958 0.9197485 0.9043462 0.88918614 0.87426513 0.8595803 0.84512854 0.8309069 0.8169124 0.8031421 0.7895928 0.7762616 0.7631457 0.7502419 0.7375474 0.72505915 0.71277434 0.70069 0.68880326 0.67711127 0.6656112 0.6543003 0.64317566 0.6322345 0.62147427 0.610892 0.6004852 0.59025115 0.58018714 0.5702906 0.5605591 0.55098987 0.5415805 0.5323285 0.5232314 0.51428676 0.50549215 0.49684525 0.4883437 0.47998518 0.4717674 0.46368814 0.45574513 0.44793624 0.44025925 0.43271205 0.42529255 0.41799864 0.41082832 0.40377954 0.39685032 0.39003873 0.3833428 0.37676066 0.3702904 0.36393023 0.35767826 0.35153276 0.34549195 0.3395541 0.33371747 0.32798037 0.3223412 0.31679827 0.31135 0.3059948 0.30073112 0.2955574 0.29047215 0.2854739 0.28056118 0.27573252 0.27098656 0.26632184 0.26173705 0.25723082 0.25280178 0.2484487 0.24417025 0.23996517 0.23583221 0.23177019 0.22777785 0.22385405 0.2199976 0.21620737 0.21248223 0.20882107 0.20522282 0.20168637 0.1982107 0.19479477 0.19143754 0.18813804 0.18489528 0.18170826 0.17857605 0.17549773 0.17247234 0.16949901 0.16657685 0.16370496 0.16088249 0.15810859 0.15538245 0.15270323 0.15007013 0.14748237 0.14493915 0.14243974 0.13998337 0.1375693 0.1351968 0.13286518 0.1305737 0.12832172 0.12610853 0.12393346 0.12179586 0.119695105 0.11763054 0.115601555 0.11360754 0.11164788 0.109722 0.10782932 0.10596925 0.10414125 0.10234475 0.10057923 0.09884414 0.09713896 0.09546319 0.093816295 0.0921978 0.09060721 0.08904405 0.08750784 0.08599812 0.08451443 0.08305632 0.08162337 0.08021512 0.07883116 0.07747106 0.07613443 0.07482084 0.073529914 0.072261244 0.071014464 0.069789186 0.06858504 0.06740166 0.066238694 0.06509579 0.0639726 0.06286879 0.061784014 0.06071795 0.05967028 0.05864068 0.05762884 0.05663446 0.05565723 0.05469686 0.05375306 0.052825537 0.05191402 0.051018227 0.05013789

</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="3.25" PeakHeight="270.634" Num="5" zHalfNm="247.226" Error="1.609">
-58.475 3.853 -2.7 1.532 -0.603
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="14" 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="6514.747" A="-1.25881418E11" B="3.8852292E7" C="-2997.7366" Error="0.00168"/>
<QuasiParabolic ID="2" StartDistance="6514.747" EndDistance="6549.494" A="0.0" B="687.14185" C="-0.0654396" Error="0.0131"/>
<QuasiParabolic ID="3" StartDistance="6549.494" EndDistance="6552.0" A="-9.9410313E11" B="3.03392544E8" C="-23148.217" Error="0.0383"/>
<QuasiParabolic ID="4" StartDistance="6552.0" EndDistance="6578.0" A="6.9908292E10" B="-2.1397246E7" C="1637.33" Error="0.0375"/>
<QuasiParabolic ID="5" StartDistance="6578.0" EndDistance="6579.0" A="-6.9364666E11" B="2.10756896E8" C="-16008.926" Error="1.71E-11"/>
<QuasiParabolic ID="6" StartDistance="6579.0" EndDistance="6580.0" A="7.6914046E11" B="-2.33926848E8" C="17786.768" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6580.0" EndDistance="6581.0" A="-6.9406536E11" B="2.10816576E8" C="-16008.325" Error="0.0"/>
<QuasiParabolic ID="8" StartDistance="6581.0" EndDistance="6582.0" A="7.6970911E11" B="-2.34032064E8" C="17789.627" Error="0.0"/>
<QuasiParabolic ID="9" StartDistance="6582.0" EndDistance="6583.0" A="-1.15161104E12" B="3.49778368E8" C="-26559.387" Error="3.07E-11"/>
<QuasiParabolic ID="10" StartDistance="6583.0" EndDistance="6589.0" A="5.8911794E12" B="-1.78991194E9" C="135956.97" Error="0.0288"/>
<QuasiParabolic ID="11" StartDistance="6589.0" EndDistance="6602.0" A="6.3487229E12" B="-1.92879283E9" C="146495.81" Error="0.0389"/>
<QuasiParabolic ID="12" StartDistance="6602.0" EndDistance="6620.0" A="1.56050014E13" B="-4.7328763E9" C="358862.0" Error="0.0265"/>
<QuasiParabolic ID="13" StartDistance="6620.0" EndDistance="6640.634" A="-1.95731453E13" B="5.8949627E9" C="-443844.84" Error="0.0106"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="104.241" Depth="0.154"/>
<TopsideChapman PeakHeight="270.634" PeakDensity="131048.39" PeakScaleHeight="17.952" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
