<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-06-03 -154 00:55:00.000"
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: 85% PACIFIC flags: Multiple candidates for F2x cusp, One of F2 cusps was derived from the other</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.06.03 (154) 00:55:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.23" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-16.00" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="73.46457" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202615406030055001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.275" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.694" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="12.098" 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="3.675" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="240.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="240.000" 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="0.150" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.925" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="240.000" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.925" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.925" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="247.201" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="228.943" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.639" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="26.164" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.795" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.873" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="26.010" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.170" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="15">
<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 3.275
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
240.000 245.000 247.500 255.000 259.318 263.636 267.955 272.330 277.295 282.976 289.540 297.211 306.294 317.219 330.608
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
54 57 54 57 0 0 0 0 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 -7.8125 -1.5625 -1.5625 4.6875 10.9375 -1.5625 -1.5625 -1.5625 10.9375
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="366">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 140.33333 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 170.66667 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 247.201 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0 452.0 453.0 454.0 455.0
</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 0.35347393 0.35283697 0.35190412 0.35075444 0.34931904 0.34760568 0.34569573 0.3434548 0.34089813 0.338043 0.33497614 0.33158195 0.3278234 0.3237977 0.31935477 0.31466332 0.30954042 0.30405807 0.29813874 0.29176548 0.28499955 0.27773643 0.26987928 0.2613832 0.2523016 0.2425206 0.23193197 0.22042523 0.20793872 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 0.20169231 0.20676923 0.21184616 0.21692307 0.222 0.22707692 0.23215385 0.23723076 0.2423077 0.24738462 0.25246155 0.25753847 0.26261538 0.2676923 0.27276924 0.27784616 0.28292307 0.288 0.29307693 0.29815385 0.30323076 0.30830768 0.31338462 0.31846154 0.32353845 0.3286154 0.3336923 0.33876923 0.34384614 0.3489231 0.354 0.39101616 0.4304566 0.47213557 0.5159731 0.5619351 0.6100501 0.66036147 0.71296465 0.7679693 0.8254846 0.8856236 0.94853354 1.0143311 1.0831314 1.1550137 1.230062 1.3083043 1.3897197 1.4742519 1.5617393 1.6519433 1.7445678 1.8391572 1.9352072 2.0321305 2.1292486 2.2258234 2.321142 2.4144669 2.5050817 2.5923696 2.6757402 2.754726 2.8288896 2.8979273 2.9615514 3.0195673 3.0718262 3.1182175 3.1586761 3.1931353 3.221576 3.2439773 3.260333 3.2706332 3.2748775 3.275 3.273952 3.2697685 3.2625353 3.2524066 3.2395375 3.224082 3.2061932 3.186022 3.1637173 3.1394243 3.113285 3.0854375 3.0560157 3.0251489 2.9929621 2.959575 2.925103 2.889656 2.8533394 2.8162537 2.7784936 2.7401502 2.7013087 2.6620502 2.622451 2.5825832 2.542514 2.5023074 2.462022 2.4217134 2.3814335 2.34123 2.3011477 2.2612278 2.2215087 2.1820254 2.14281 2.1038928 2.0653005 2.0270576 1.9891868 1.9517083 1.9146403 1.8779991 1.8417993 1.8060535 1.7707733 1.7359682 1.7016467 1.6678159 1.6344818 1.6016489 1.5693212 1.5375013 1.5061913 1.475392 1.4451038 1.4153261 1.386058 1.3572975 1.3290428 1.3012909 1.2740386 1.2472821 1.2210177 1.1952409 1.1699468 1.1451309 1.1207875 1.0969115 1.0734973 1.0505389 1.0280304 1.0059657 0.9843387 0.963143 0.9423722 0.92201996 0.90207976 0.88254505 0.86340934 0.844666 0.8263085 0.8083303 0.7907249 0.77348566 0.7566062 0.74008006 0.7239008 0.7080621 0.69255763 0.6773812 0.66252655 0.6479876 0.63375837 0.61983275 0.60620487 0.592869 0.57981926 0.5670501 0.55455583 0.54233104 0.53037024 0.51866806 0.5072193 0.4960188 0.4850614 0.47434217 0.46385616 0.4535985 0.4435645 0.43374947 0.42414883 0.4147581 0.4055728 0.39658865 0.38780138 0.3792068 0.37080085 0.3625795 0.35453877 0.34667486 0.33898392 0.3314623 0.32410634 0.31691244 0.30987713 0.302997 0.29626867 0.28968886 0.28325436 0.27696198 0.2708087 0.2647914 0.2589072 0.25315318 0.24752645 0.24202429 0.23664394 0.23138274 0.2262381 0.22120745 0.2162883 0.21147819 0.20677473 0.20217557 0.19767843 0.19328107 0.18898128 0.1847769 0.18066587 0.17664608 0.17271554 0.1688723 0.1651144 0.16143999 0.15784718 0.1543342 0.15089929 0.1475407 0.14425677 0.14104581 0.13790624 0.13483647 0.13183492 0.12890014 0.12603061 0.123224884 0.12048156 0.11779925 0.1151766 0.11261229 0.11010503 0.10765354 0.105256595 0.10291297 0.1006215 0.09838101 0.09619038 0.0940485 0.09195428 0.08990667 0.08790463 0.08594715 0.08403323 0.08216192 0.08033226 0.07854332 0.07679421 0.07508403 0.07341193 0.071777046 0.07017856 0.06861566 0.06708755 0.06559347 0.06413265 0.06270436 0.06130787 0.059942473 0.058607474 0.057302203 0.056025997 0.054778203 0.053558197 0.05236536 0.051199082 0.050058775

</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="3.275" PeakHeight="247.201" Num="5" zHalfNm="228.943" Error="1.675">
-46.49 0.733 -0.98 0.694 -0.158
</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="6510.333" A="-1.64983013E11" B="5.0920684E7" C="-3928.9397" Error="0.00156"/>
<QuasiParabolic ID="2" StartDistance="6510.333" EndDistance="6540.667" A="0.0" B="-1143.6433" C="0.21568884" Error="0.0209"/>
<QuasiParabolic ID="3" StartDistance="6540.667" EndDistance="6567.0" A="6.7240948E10" B="-2.0634732E7" C="1583.1042" Error="0.0209"/>
<QuasiParabolic ID="4" StartDistance="6567.0" EndDistance="6569.0" A="-7.2764038E11" B="2.21448816E8" C="-16848.719" Error="0.00128"/>
<QuasiParabolic ID="5" StartDistance="6569.0" EndDistance="6574.0" A="7.0859164E12" B="-2.15746944E9" C="164222.84" Error="0.0298"/>
<QuasiParabolic ID="6" StartDistance="6574.0" EndDistance="6581.0" A="6.6816039E12" B="-2.03446592E9" C="154867.55" Error="0.00785"/>
<QuasiParabolic ID="7" StartDistance="6581.0" EndDistance="6594.0" A="1.76111464E13" B="-5.35601E9" C="407226.2" Error="0.0327"/>
<QuasiParabolic ID="8" StartDistance="6594.0" EndDistance="6604.0" A="1.47727256E13" B="-4.4951004E9" C="341946.38" Error="0.0234"/>
<QuasiParabolic ID="9" StartDistance="6604.0" EndDistance="6617.201" A="-3.51364899E13" B="1.06197443E10" C="-802424.0" Error="0.00913"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="91.0" Depth="0.154"/>
<TopsideChapman PeakHeight="247.201" PeakDensity="133072.27" PeakScaleHeight="13.873" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
