<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-25 -145 21:05:00.000"
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="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" >
2026.05.25 (145) 21:05:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.22" 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">
FF202614505252105001291296E02000002520000000001107201000080205120000B05040000
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="5.975" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.828" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="22.871" 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="6.325" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="202.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="202.500" 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="5.625" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="247.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.765" 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="223.480" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="199.494" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="6.668" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="34.075" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="3.412" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="18.316" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="29.450" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="3.530" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="143">
<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 5.85 5.875 5.9 5.925 5.95 5.975
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 202.500 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 205.000 207.500 207.500 207.500 207.500 207.500 207.500 207.500 207.500 207.500 207.500 207.500 207.500 207.500 207.500 207.500 207.500 207.500 208.250 209.000 209.750 210.500 211.250 212.000 212.750 213.500 214.250 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 215.000 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 217.500 220.000 220.000 220.000 220.000 220.000 222.500 222.500 222.500 222.500 222.500 225.000 225.000 225.000 225.000 225.000 225.000 227.500 227.500 227.500 227.500 227.500 230.000 230.000 230.000 230.000 232.500 232.500 232.500 235.000 235.000 235.000 235.000 237.500 237.500 240.000 240.000 242.500 242.500 245.000 245.000 245.000 247.500 247.500 250.000 252.500 255.000 257.500 257.500 260.000 262.500 265.000 268.608 273.223 279.335 287.815 300.367 320.852
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 69 60 60 60 60 60 57 51 57 60 60 60 60 45 45 30 0 0 0 0 0 54 0 69 66 66 0 0 0 0 0 81 81 69 69 84 81 87 87 84 81 72 72 72 72 69 69 69 66 63 63 60 0 0 0 0 0 0 0 0 78 60 57 0 0 75 78 78 75 0 96 84 87 87 84 84 81 75 75 51 51 48 48 69 69 93 96 84 84 84 81 72 72 84 84 93 93 90 90 90 90 90 93 93 93 87 87 90 90 87 87 90 93 93 96 81 78 93 93 93 93 102 105 87 90 93 90 102 102 90 87 75 78 90 90 75 75 87 87 0 0 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 -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="448">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
90.62 91.0 92.0 93.0 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 131.58333 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 153.16667 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 174.75 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 223.48 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0 493.0 494.0 495.0 496.0 497.0 498.0 499.0 500.0 501.0 502.0 503.0 504.0 505.0 506.0 507.0 508.0 509.0 510.0 511.0 512.0 513.0 514.0 515.0 516.0 517.0 518.0 519.0 520.0 521.0 522.0 523.0 524.0 525.0 526.0 527.0 528.0 529.0 530.0 531.0 532.0 533.0
</AltitudeList>
<ProfileValueList Name="PlasmaFrequency" Type="float" Units="MHz" Description="Plasma frequency" >
0.2 0.23398483 0.3290613 0.40311024 0.46073782 0.5080281 0.5481172 0.5827663 0.61301994 0.6395775 0.66291815 0.68337625 0.7012115 0.7166116 0.7297217 0.7406558 0.74949807 0.75631326 0.7611497 0.76403886 0.765 0.7644928 0.7630415 0.76059055 0.7571632 0.7527275 0.74726623 0.74071497 0.7331569 0.7245082 0.7147211 0.7037891 0.691593 0.6781229 0.66331595 0.6470085 0.6291899 0.60957634 0.5880571 0.5644596 0.53828865 0.5091664 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.488 0.498695 0.51152897 0.5243629 0.53719693 0.5500309 0.56286484 0.57569885 0.5885328 0.6013668 0.6142008 0.6270347 0.63986874 0.6527027 0.6655367 0.67837065 0.6912046 0.7040386 0.7168726 0.7297066 0.74254054 0.7553745 0.765 0.7803432 0.8439923 0.9115787 0.9835093 1.0602447 1.1422873 1.2302238 1.3247052 1.4264233 1.5361538 1.6547346 1.7829694 1.9216142 2.0713215 2.2323864 2.4046805 2.5874567 2.7791226 2.9773774 3.1792743 3.381565 3.5811696 3.7754564 3.9623318 4.1404243 4.3089724 4.467552 4.61619 4.755003 4.8843446 5.0045505 5.116024 5.219202 5.3144264 5.402098 5.4825315 5.556053 5.6229324 5.6834335 5.737764 5.7861266 5.828699 5.8656316 5.897039 5.9230385 5.9437165 5.959137 5.9693575 5.9744067 5.975 5.9745326 5.971051 5.9642744 5.954323 5.941319 5.9253864 5.9066467 5.885223 5.8612356 5.834805 5.806051 5.775089 5.7420354 5.7070026 5.670102 5.6314425 5.591129 5.5492644 5.50595 5.4612837 5.415359 5.368269 5.3201017 5.270943 5.2208767 5.169981 5.1183343 5.06601 5.013079 4.9596105 4.9056683 4.851316 4.7966127 4.7416167 4.6863813 4.630959 4.5754 4.5197496 4.464054 4.4083557 4.3526936 4.2971067 4.241631 4.1863003 4.131146 4.076199 4.0214877 3.9670382 3.912876 3.8590238 3.805504 3.7523367 3.6995409 3.647134 3.5951326 3.5435517 3.4924047 3.4417048 3.3914635 3.3416915 3.2923985 3.243593 3.195283 3.1474755 3.1001766 3.053392 3.007126 2.9613829 2.916166 2.8714783 2.827322 2.7836983 2.740609 2.698054 2.6560342 2.6145492 2.573598 2.53318 2.4932938 2.4539373 2.415109 2.3768065 2.339027 2.3017676 2.2650256 2.2287977 2.19308 2.157869 2.1231613 2.0889523 2.0552382 2.0220146 1.9892769 1.9570209 1.9252417 1.8939348 1.8630954 1.8327185 1.8027992 1.7733325 1.7443135 1.7157369 1.6875978 1.6598909 1.6326112 1.6057533 1.5793122 1.5532825 1.5276593 1.5024371 1.477611 1.4531754 1.4291255 1.4054561 1.3821619 1.3592379 1.336679 1.3144802 1.2926364 1.2711426 1.2499938 1.2291852 1.208712 1.1885691 1.1687518 1.1492554 1.1300751 1.1112064 1.0926445 1.0743848 1.0564228 1.0387542 1.0213743 1.004279 0.9874637 0.9709242 0.9546563 0.93865573 0.9229185 0.90744036 0.8922174 0.8772456 0.862521 0.84803975 0.833798 0.819792 0.80601794 0.7924722 0.7791512 0.7660513 0.75316894 0.74050075 0.7280432 0.7157929 0.7037466 0.69190097 0.68025273 0.66879874 0.65753585 0.6464609 0.63557094 0.62486285 0.61433375 0.6039807 0.59380084 0.5837913 0.57394934 0.56427217 0.55475706 0.5454014 0.5362026 0.527158 0.5182651 0.5095214 0.50092447 0.49247178 0.48416105 0.4759899 0.467956 0.46005714 0.45229098 0.4446554 0.43714818 0.42976725 0.42251045 0.41537574 0.40836108 0.4014645 0.394684 0.38801762 0.38146353 0.37501982 0.36868462 0.36245617 0.35633266 0.35031232 0.34439346 0.33857435 0.33285332 0.32722878 0.32169905 0.31626257 0.3109178 0.30566314 0.30049714 0.2954183 0.29042512 0.2855162 0.28069013 0.27594548 0.27128094 0.2666951 0.26218668 0.2577544 0.2533969 0.24911298 0.2449014 0.24076094 0.23669039 0.23268858 0.22875437 0.2248866 0.22108415 0.21734594 0.21367088 0.2100579 0.20650595 0.20301402 0.19958107 0.19620614 0.19288823 0.1896264 0.18641967 0.18326713 0.18016787 0.177121 0.17412561 0.17118084 0.16828586 0.1654398 0.16264184 0.15989119 0.15718703 0.15452857 0.15191506 0.14934573 0.14681983 0.14433664 0.14189543 0.13949549 0.13713613 0.13481665 0.1325364 0.1302947 0.12809089 0.12592435 0.123794444 0.121700555 0.11964207 0.11761839 0.115628935 0.11367312 0.11175038 0.109860145 0.10800189 0.10617504 0.1043791 0.10261352 0.100877814 0.09917145 0.09749395 0.09584481 0.09422357 0.092629746 0.09106287 0.0895225 0.08800819 0.08651948 0.085055955 0.08361718 0.08220274 0.080812216 0.07944522 0.078101344 0.07678019 0.07548139 0.07420456 0.07294931 0.07171531 0.07050217 0.069309555 0.06813712 0.066984504 0.06585138 0.06473743 0.06364232 0.062565744 0.061507367 0.060466897 0.05944402 0.058438454 0.057449892 0.056478053 0.05552265 0.05458341 0.053660057 0.052752323 0.051859945 0.05098266 0.05012022

</ProfileValueList>
</Tabulated>
<ShiftedChebyshevList Num="2" >
<ShiftedChebyshev Region="E" StartFrequency="0.2" EndFrequency="0.765" PeakHeight="110.0" Num="3" Error="0.0">
-25.166 6.654 -0.868
</ShiftedChebyshev>
<ShiftedChebyshev Region="F2" StartFrequency="0.765" EndFrequency="5.975" PeakHeight="223.48" Num="5" zHalfNm="199.494" Error="0.313">
-54.125 8.973 -4.659 1.194 -0.113
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="8" EarthRadius="6370.0">
<QuasiParabolic ID="0" StartDistance="6459.9697" EndDistance="6480.001" A="-2.55652266E12" B="7.8905024E8" C="-60882.92" Error="0.0724"/>
<QuasiParabolic ID="1" StartDistance="6480.0" EndDistance="6501.583" A="-1.32121087E12" B="4.07781152E8" C="-31464.01" Error="0.00142"/>
<QuasiParabolic ID="2" StartDistance="6501.583" EndDistance="6523.167" A="0.0" B="34586.46" C="-5.0812163" Error="0.0725"/>
<QuasiParabolic ID="3" StartDistance="6523.167" EndDistance="6536.0" A="-1.04263097E12" B="3.18660128E8" C="-24347.621" Error="0.0744"/>
<QuasiParabolic ID="4" StartDistance="6536.0" EndDistance="6545.0" A="3.04993927E12" B="-9.3365632E8" C="71453.82" Error="0.0667"/>
<QuasiParabolic ID="5" StartDistance="6545.0" EndDistance="6555.0" A="3.14365497E13" B="-9.6079452E9" C="734119.1" Error="0.0607"/>
<QuasiParabolic ID="6" StartDistance="6555.0" EndDistance="6568.0" A="8.6407033E13" B="-2.63800218E10" C="2013453.8" Error="0.0209"/>
<QuasiParabolic ID="7" StartDistance="6568.0" EndDistance="6593.48" A="-5.8213337E13" B="1.76578499E10" C="-1339003.0" Error="0.00967"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="64.75" Depth="0.277"/>
<TopsideChapman PeakHeight="223.48" PeakDensity="442935.78" PeakScaleHeight="18.316" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
