<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-07 -127 01:20:00.000"
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: 100%</Comments>
<StartTime Format="yyyy.MM.dd (DDD) HH:mm:ss" TimeZone="Coordinated Universal Time" >
2026.05.07 (127) 01:20:00</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">
FF202612705070120001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.800" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.883" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="14.754" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="3.150" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="3.150" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="4.100" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="237.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="237.500" 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="0.025" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.750" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="262.473" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="3.150" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="3.150" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="233.725" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="220.683" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.467" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="18.770" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.800" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="10.583" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="18.900" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.010" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="27">
<FrequencyList Type="float" Units="MHz" Description="Nominal Frequency" >
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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
237.500 237.500 240.000 240.000 240.000 240.000 242.500 242.500 242.500 245.000 245.000 245.000 247.500 247.500 250.000 250.000 250.549 251.187 251.939 252.838 253.931 255.290 257.023 259.312 262.473 267.122 274.638
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
90 90 90 0 105 105 102 105 108 108 108 108 108 96 90 84 84 84 84 81 81 90 90 81 75 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 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="309">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 139.75 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 169.5 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 199.25 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 233.725 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0
</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 0.352762 0.35182965 0.3506064 0.3491724 0.34738788 0.34533682 0.34299496 0.34037665 0.33746356 0.3342082 0.33063674 0.3267138 0.32253745 0.31796023 0.31297803 0.30765462 0.30189866 0.29567927 0.28909197 0.28191414 0.2741947 0.26597098 0.25704813 0.24743798 0.23701459 0.22570056 0.21345264 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 0.20258823 0.2077647 0.21294117 0.21811765 0.22329412 0.2284706 0.23364706 0.23882353 0.244 0.24917647 0.25435293 0.2595294 0.2647059 0.26988235 0.27505884 0.2802353 0.28541178 0.29058823 0.2957647 0.30094117 0.30611765 0.3112941 0.3164706 0.32164705 0.32682353 0.332 0.33717647 0.34235293 0.3475294 0.3527059 0.354 0.39435652 0.45111638 0.51233405 0.5789417 0.651646 0.73100823 0.81743133 0.91111445 1.0120597 1.1200702 1.2347327 1.3555276 1.4817685 1.6127208 1.7475902 1.8855428 2.0257618 2.1674063 2.3096006 2.4515088 2.5921276 2.7305787 2.8657904 2.9967074 3.1221483 3.240888 3.3516595 3.4531271 3.5439315 3.622765 3.6883736 3.7396357 3.7756355 3.7956784 3.8 3.7997508 3.79475 3.7836297 3.7667928 3.7446437 3.7175834 3.686007 3.6503005 3.6108387 3.5679836 3.5220828 3.473468 3.4224555 3.369344 3.3144162 3.2579367 3.200154 3.1413 3.0815895 3.0212226 2.9603834 2.8992417 2.8379533 2.7766604 2.715493 2.6545684 2.5939937 2.5338643 2.4742668 2.4152775 2.3569648 2.2993886 2.242602 2.186651 2.1315744 2.0774064 2.0241754 1.9719043 1.9206123 1.8703142 1.821021 1.7727402 1.7254766 1.6792318 1.6340051 1.5897934 1.546592 1.5043938 1.4631904 1.4229722 1.3837279 1.3454455 1.3081117 1.2717125 1.2362336 1.2016593 1.1679742 1.1351621 1.1032063 1.0720903 1.041797 1.0123096 0.98361063 0.9556832 0.92851007 0.9020742 0.8763587 0.8513466 0.82702124 0.80336607 0.7803647 0.7580011 0.7362593 0.7151236 0.6945787 0.67460936 0.6552007 0.63633823 0.61800754 0.6001946 0.5828857 0.5660673 0.54972625 0.5338498 0.51842517 0.50344014 0.48888278 0.47474125 0.46100414 0.44766027 0.43469876 0.42210898 0.40988055 0.3980034 0.38646767 0.3752638 0.36438245 0.3538145 0.3435512 0.3335838 0.32390398 0.31450358 0.30537465 0.29650947 0.28790054 0.2795405 0.27142233 0.26353902 0.25588387 0.24845038 0.24123217 0.23422307 0.22741705 0.2208083 0.21439113 0.20816004 0.20210965 0.19623478 0.19053034 0.18499143 0.17961326 0.17439121 0.16932076 0.16439751 0.15961723 0.15497577 0.15046911 0.14609335 0.14184472 0.13771953 0.13371418 0.12982523 0.12604928 0.12238308 0.118823424 0.115367234 0.11201151 0.10875333 0.105589874 0.10251838 0.09953619 0.096640706 0.093829416 0.091099866 0.08844969 0.08587658 0.08337829 0.08095267 0.07859758 0.07631099 0.0740909 0.07193538 0.069842555 0.0678106 0.065837756 0.06392229 0.062062543 0.06025689 0.058503766 0.056801636 0.055149022 0.05354448 0.05198662 0.050474074

</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="3.8" PeakHeight="233.725" Num="5" zHalfNm="220.683" Error="0.221">
-34.23 -0.483 0.338 -0.201 0.101
</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="6509.75" A="-1.71482022E11" B="5.2926548E7" C="-4083.7134" Error="0.00152"/>
<QuasiParabolic ID="2" StartDistance="6509.75" EndDistance="6539.5" A="0.0" B="-2426.374" C="0.41275212" Error="0.043"/>
<QuasiParabolic ID="3" StartDistance="6539.5" EndDistance="6566.0" A="8.5209743E10" B="-2.6123132E7" C="2002.2014" Error="0.043"/>
<QuasiParabolic ID="4" StartDistance="6566.0" EndDistance="6569.0" A="1.42243083E12" B="-4.33439936E8" C="33019.32" Error="0.0266"/>
<QuasiParabolic ID="5" StartDistance="6569.0" EndDistance="6576.0" A="1.81709518E13" B="-5.5327002E9" C="421149.94" Error="0.0777"/>
<QuasiParabolic ID="6" StartDistance="6576.0" EndDistance="6577.0" A="2.59988337E13" B="-7.9134433E9" C="602167.56" Error="0.0"/>
<QuasiParabolic ID="7" StartDistance="6577.0" EndDistance="6585.0" A="4.0767125E13" B="-1.24043336E10" C="943576.2" Error="0.0165"/>
<QuasiParabolic ID="8" StartDistance="6585.0" EndDistance="6596.0" A="2.88409738E13" B="-8.7821148E9" C="668540.7" Error="0.0288"/>
<QuasiParabolic ID="9" StartDistance="6596.0" EndDistance="6603.725" A="-1.04670366E14" B="3.17004001E10" C="-2400176.5" Error="0.00764"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="89.25" Depth="0.154"/>
<TopsideChapman PeakHeight="233.725" PeakDensity="179156.33" PeakScaleHeight="10.583" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
