<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-14 -134 01:05:00.000"
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="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 22 0 0 0 0 0 0 0 0 1 0 "/>
<Comments>AR.5002.49 Confidence: 80% PACIFIC flags: Multiple candidates for F2x cusp, Multiple candidates for F2o cusp, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.14 (134) 01:05:00</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">
FF202613405140105001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.675" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.700" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.599" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.975" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.975" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.000" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="227.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="227.500" 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="0.250" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.475" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="266.002" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.975" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.975" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="242.683" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="221.556" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.564" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="30.203" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.149" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="16.272" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="27.770" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.960" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="29">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
227.500 230.000 230.000 232.500 232.500 235.000 235.000 237.500 237.500 237.500 240.000 242.500 242.500 247.500 249.302 251.307 253.548 256.073 258.937 262.215 266.002 270.427 275.668 281.971 289.696 299.386 311.901 328.684 352.370
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
69 66 96 90 93 90 99 99 102 102 99 99 96 99 99 96 96 93 90 93 78 75 0 0 0 0 0 0 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 -10.9375 -1.5625 4.6875 -7.8125 -1.5625 10.9375 -1.5625
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="404">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 137.41667 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 164.83333 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 192.25 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 242.683 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0 456.0 457.0 458.0 459.0 460.0 461.0 462.0 463.0 464.0 465.0 466.0 467.0 468.0 469.0 470.0 471.0 472.0 473.0 474.0 475.0 476.0 477.0 478.0 479.0 480.0 481.0 482.0 483.0 484.0 485.0 486.0 487.0 488.0 489.0 490.0 491.0 492.0
</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 0.353812 0.35339895 0.35261247 0.35145745 0.35001534 0.348294 0.34623033 0.34376696 0.34099412 0.3378617 0.33439493 0.33055604 0.32631677 0.32166007 0.316581 0.31108782 0.3051483 0.29865354 0.2916688 0.28410435 0.27593207 0.26707086 0.25740978 0.24700987 0.23557876 0.22317484 0.20959583 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 0.20093617 0.20655319 0.21217021 0.21778724 0.22340426 0.22902128 0.2346383 0.24025533 0.24587233 0.25148937 0.2571064 0.26272342 0.26834044 0.27395746 0.27957445 0.28519148 0.2908085 0.29642552 0.30204254 0.30765957 0.3132766 0.3188936 0.32451063 0.33012766 0.33574468 0.3413617 0.34697872 0.35259575 0.354 0.37810835 0.41395807 0.4536662 0.49663264 0.54230565 0.5902502 0.64023805 0.6921711 0.7460829 0.8020816 0.8603413 0.9210702 0.9845229 1.0509986 1.1207968 1.1942629 1.2717291 1.3535604 1.4400796 1.5316098 1.6283201 1.7302699 1.8373048 1.9489361 2.0643477 2.1823153 2.3013456 2.4197085 2.5357065 2.6478348 2.754852 2.8559425 2.950551 3.0384653 3.119664 3.1942668 3.2624788 3.3245559 3.380746 3.4313476 3.4765937 3.5167315 3.551971 3.5824916 3.6084645 3.6300223 3.6472816 3.6603303 3.6692383 3.674052 3.675 3.6748643 3.672689 3.6679413 3.6607285 3.6511574 3.6393363 3.6253722 3.609372 3.5914412 3.5716848 3.5502052 3.527104 3.5024793 3.4764283 3.4490452 3.4204211 3.3906457 3.3598046 3.3279815 3.2952566 3.2617075 3.2274086 3.192432 3.1568456 3.1207156 3.084105 3.0470738 3.0096788 2.971975 2.9340138 2.8958447 2.8575141 2.8190663 2.7805429 2.7419832 2.7034242 2.6649013 2.626447 2.588092 2.5498655 2.511794 2.4739032 2.4362164 2.398755 2.36154 2.3245895 2.2879212 2.251551 2.2154932 2.1797614 2.1443682 2.1093242 2.0746398 2.0403237 2.0063844 1.972829 1.9396638 1.9068943 1.8745255 1.8425615 1.8110056 1.7798606 1.7491288 1.7188119 1.688911 1.6594267 1.6303593 1.6017084 1.5734737 1.5456539 1.5182478 1.491254 1.4646701 1.4384941 1.4127237 1.3873558 1.3623879 1.3378167 1.3136388 1.289851 1.2664495 1.2434306 1.2207905 1.1985251 1.1766305 1.1551024 1.1339365 1.1131288 1.0926746 1.0725697 1.0528097 1.0333898 1.0143058 0.9955531 0.977127 0.95902306 0.9412367 0.92376333 0.90659845 0.8897375 0.87317586 0.85690916 0.8409328 0.82524234 0.80983335 0.7947014 0.77984214 0.7652512 0.7509243 0.7368571 0.72304547 0.7094851 0.696172 0.6831019 0.6702708 0.65767473 0.6453097 0.6331718 0.6212571 0.60956186 0.5980823 0.58681464 0.5757552 0.56490046 0.5542467 0.5437905 0.53352845 0.523457 0.51357275 0.5038725 0.49435297 0.48501083 0.475843 0.46684632 0.45801774 0.44935417 0.4408527 0.43251038 0.42432433 0.41629168 0.40840966 0.40067554 0.3930866 0.3856402 0.37833372 0.37116462 0.36413032 0.3572284 0.35045642 0.34381193 0.33729264 0.3308962 0.32462034 0.31846282 0.31242147 0.30649415 0.30067867 0.29497305 0.28937516 0.283883 0.27849466 0.27320817 0.2680216 0.26293316 0.25794092 0.25304314 0.24823806 0.2435239 0.23889899 0.23436163 0.22991021 0.2255431 0.2212587 0.21705548 0.2129319 0.20888649 0.20491774 0.20102422 0.19720453 0.19345726 0.18978105 0.18617457 0.1826365 0.17916554 0.17576043 0.17241995 0.16914283 0.16592792 0.16277401 0.15967998 0.15664467 0.15366699 0.15074582 0.14788014 0.14506887 0.14231096 0.13960545 0.13695131 0.13434757 0.1317933 0.12928754 0.12682939 0.12441792 0.122052275 0.11973157 0.11745495 0.1152216 0.11303068 0.11088139 0.10877294 0.10670456 0.10467549 0.102684975 0.1007323 0.09881673 0.09693757 0.09509413 0.093285725 0.0915117 0.08977139 0.088064164 0.08638939 0.08474646 0.083134755 0.0815537 0.080002695 0.078481175 0.076988585 0.075524375 0.07408801 0.072678946 0.07129667 0.06994068 0.068610474 0.067305565 0.06602546 0.0647697 0.06353781 0.06232936 0.061143883 0.059980948 0.058840126 0.057721 0.056623153 0.055546187 0.0544897 0.053453304 0.052436616 0.051439263 0.05046088

</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="3.675" PeakHeight="242.683" Num="5" zHalfNm="221.556" Error="2.184">
-53.318 5.245 -3.836 2.069 -0.593
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="12" 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="6507.417" A="-2.01785164E11" B="6.2279372E7" C="-4805.382" Error="0.00146"/>
<QuasiParabolic ID="2" StartDistance="6507.417" EndDistance="6534.833" A="0.0" B="226.04074" C="0.005277636" Error="0.00331"/>
<QuasiParabolic ID="3" StartDistance="6534.833" EndDistance="6536.0" A="-1.85692927E12" B="5.6813331E8" C="-43455.496" Error="0.00454"/>
<QuasiParabolic ID="4" StartDistance="6536.0" EndDistance="6554.0" A="9.263317E10" B="-2.8428034E7" C="2181.0825" Error="0.0198"/>
<QuasiParabolic ID="5" StartDistance="6554.0" EndDistance="6561.0" A="-6.3842869E10" B="1.932175E7" C="-1461.7144" Error="0.00736"/>
<QuasiParabolic ID="6" StartDistance="6561.0" EndDistance="6565.0" A="8.5695634E12" B="-2.61241318E9" C="199097.27" Error="0.02"/>
<QuasiParabolic ID="7" StartDistance="6565.0" EndDistance="6566.0" A="2.22691643E12" B="-6.8015206E8" C="51933.434" Error="3.54E-11"/>
<QuasiParabolic ID="8" StartDistance="6566.0" EndDistance="6571.0" A="7.0324883E12" B="-2.14392666E9" C="163399.67" Error="0.00292"/>
<QuasiParabolic ID="9" StartDistance="6571.0" EndDistance="6579.0" A="1.25493335E13" B="-3.82307584E9" C="291169.34" Error="0.0168"/>
<QuasiParabolic ID="10" StartDistance="6579.0" EndDistance="6592.0" A="3.24282823E13" B="-9.8662277E9" C="750445.25" Error="0.0145"/>
<QuasiParabolic ID="11" StartDistance="6592.0" EndDistance="6612.683" A="-2.90319174E13" B="8.7806771E9" C="-663913.44" Error="0.00591"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="82.25" Depth="0.154"/>
<TopsideChapman PeakHeight="242.683" PeakDensity="167563.58" PeakScaleHeight="16.272" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
