<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-06 -126 22:30:00.000"
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" >
2026.05.06 (126) 22:30:00</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">
FF202612605062230001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.750" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.724" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.965" 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="4.150" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="230.000" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="230.000" 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="0.125" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="3.625" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="273.149" 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="238.959" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="220.908" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="4.847" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="25.889" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="1.024" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.794" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.040" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.420" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="34">
<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 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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
230.000 230.000 230.000 230.000 232.500 232.500 235.000 235.000 237.500 237.500 240.000 240.000 240.000 245.000 245.000 245.000 247.500 250.000 250.000 252.500 252.500 257.500 258.910 260.505 262.324 264.417 266.852 269.721 273.149 277.319 282.500 289.111 297.839 309.895
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
57 63 69 66 93 93 93 96 93 96 105 108 105 99 105 105 0 90 93 93 93 90 90 90 81 78 78 78 78 78 102 99 72 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 -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="360">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 238.959 239.0 240.0 241.0 242.0 243.0 244.0 245.0 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0 446.0 447.0 448.0 449.0 450.0 451.0
</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 0.3516065 0.35023698 0.34851307 0.34651887 0.34419376 0.34155348 0.33854687 0.33526585 0.33153415 0.32752004 0.32306805 0.31823066 0.3130061 0.3072951 0.30113927 0.29447237 0.28732234 0.2796049 0.2711702 0.2621697 0.25230387 0.24165411 0.23006094 0.21740833 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 0.2055 0.211 0.2165 0.222 0.2275 0.233 0.2385 0.244 0.2495 0.255 0.2605 0.266 0.2715 0.277 0.2825 0.288 0.2935 0.299 0.3045 0.31 0.3155 0.321 0.3265 0.332 0.3375 0.343 0.3485 0.354 0.39126423 0.43404537 0.48185995 0.5339968 0.58975524 0.64864576 0.71036667 0.7748364 0.842104 0.91229886 0.98559475 1.0622385 1.142458 1.2265298 1.3147066 1.4071969 1.5041821 1.605771 1.711942 1.8225275 1.9371712 2.0553138 2.1760745 2.2984853 2.4212313 2.543046 2.6625333 2.7784216 2.8896248 2.9952288 3.0945504 3.187103 3.2725992 3.3508792 3.4218776 3.4856536 3.5422611 3.5918121 3.6344197 3.670207 3.6992722 3.7217195 3.737624 3.7470367 3.75 3.7499967 3.7479472 3.742232 3.73303 3.7205212 3.7048855 3.6863027 3.6649501 3.6410031 3.614634 3.586011 3.5552976 3.5226538 3.488234 3.4521868 3.4146562 3.3757796 3.33569 3.2945132 3.2523699 3.2093751 3.1656375 3.1212606 3.076342 3.0309744 2.9852445 2.939234 2.8930197 2.8466735 2.800263 2.7538502 2.7074943 2.6612492 2.615165 2.5692887 2.5236628 2.4783273 2.433318 2.3886683 2.3444083 2.3005657 2.2571652 2.2142296 2.1717787 2.1298306 2.0884013 2.0475047 2.007153 1.967357 1.9281254 1.8894659 1.8513846 1.8138865 1.7769753 1.7406535 1.7049229 1.6697842 1.6352372 1.6012809 1.5679138 1.5351332 1.5029365 1.4713199 1.4402795 1.4098108 1.3799088 1.3505683 1.3217834 1.2935485 1.2658571 1.2387028 1.2120789 1.1859785 1.1603947 1.1353202 1.1107476 1.0866697 1.0630789 1.0399677 1.0173284 0.9951536 0.9734356 0.9521666 0.9313392 0.9109456 0.8909782 0.87142956 0.8522921 0.8335583 0.81522083 0.7972722 0.7797053 0.76251274 0.7456875 0.7292224 0.71311057 0.6973451 0.6819191 0.66682595 0.65205896 0.6376116 0.6234775 0.60965025 0.5961237 0.5828916 0.56994796 0.55728686 0.54490244 0.532789 0.5209408 0.5093523 0.49801818 0.48693293 0.4760914 0.46548843 0.45511892 0.4449779 0.43506053 0.42536202 0.41587767 0.40660292 0.39753324 0.3886642 0.37999147 0.37151083 0.3632181 0.3551092 0.3471802 0.3394271 0.33184612 0.3244335 0.31718558 0.3100987 0.3031694 0.2963942 0.28976974 0.28329268 0.2769598 0.27076796 0.264714 0.2587949 0.2530077 0.2473495 0.24181744 0.23640873 0.23112065 0.22595052 0.22089577 0.2159538 0.21112213 0.20639831 0.20177995 0.19726472 0.19285032 0.18853453 0.18431515 0.18019001 0.17615706 0.17221422 0.1683595 0.16459094 0.16090663 0.15730466 0.15378323 0.15034054 0.14697482 0.14368437 0.14046751 0.1373226 0.13424803 0.13124223 0.12830368 0.12543085 0.12262232 0.11987661 0.11719234 0.11456814 0.11200265 0.109494574 0.10704263 0.104645565 0.10230214 0.10001117 0.09777148 0.09558192 0.093441375 0.09134874 0.08930295 0.08730296 0.08534775 0.0834363 0.08156765 0.07974084 0.07795492 0.076208994 0.074502155 0.07283354 0.07120228 0.06960754 0.06804852 0.06652441 0.06503442 0.0635778 0.062153798 0.060761683 0.059400745 0.05807028 0.056769613 0.05549807 0.05425501 0.05303978 0.051851768 0.050690364

</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="3.75" PeakHeight="238.959" Num="5" zHalfNm="220.908" Error="1.177">
-46.465 2.603 -1.829 1.126 -0.394
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="15" 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="6508.0" A="-1.93482834E11" B="5.9716924E7" C="-4607.662" Error="0.00161"/>
<QuasiParabolic ID="2" StartDistance="6508.0" EndDistance="6536.0" A="0.0" B="34.945858" C="0.03465333" Error="5.75E-4"/>
<QuasiParabolic ID="3" StartDistance="6536.0" EndDistance="6537.0" A="-1.68549915E12" B="5.15623904E8" C="-39434.566" Error="0.0"/>
<QuasiParabolic ID="4" StartDistance="6537.0" EndDistance="6538.0" A="1.62150298E12" B="-4.96155904E8" C="37954.13" Error="0.0"/>
<QuasiParabolic ID="5" StartDistance="6538.0" EndDistance="6540.0" A="-3.75253205E11" B="1.14659712E8" C="-8758.597" Error="0.00913"/>
<QuasiParabolic ID="6" StartDistance="6540.0" EndDistance="6562.0" A="6.9849227E10" B="-2.1457234E7" C="1647.8976" Error="0.00975"/>
<QuasiParabolic ID="7" StartDistance="6562.0" EndDistance="6563.0" A="-2.43382141E11" B="7.4011032E7" C="-5626.429" Error="0.0"/>
<QuasiParabolic ID="8" StartDistance="6563.0" EndDistance="6566.0" A="1.15017651E13" B="-3.50518963E9" C="267053.8" Error="0.00264"/>
<QuasiParabolic ID="9" StartDistance="6566.0" EndDistance="6569.0" A="7.7379053E12" B="-2.35872E9" C="179750.3" Error="0.00396"/>
<QuasiParabolic ID="10" StartDistance="6569.0" EndDistance="6575.0" A="1.19654832E13" B="-3.64584986E9" C="277720.3" Error="0.00563"/>
<QuasiParabolic ID="11" StartDistance="6575.0" EndDistance="6579.0" A="2.13714553E13" B="-6.5069819E9" C="495296.88" Error="0.00171"/>
<QuasiParabolic ID="12" StartDistance="6579.0" EndDistance="6591.0" A="3.34140025E13" B="-1.01678868E10" C="773523.44" Error="0.00471"/>
<QuasiParabolic ID="13" StartDistance="6591.0" EndDistance="6598.0" A="-1.83638793E13" B="5.5438054E9" C="-418381.62" Error="0.00282"/>
<QuasiParabolic ID="14" StartDistance="6598.0" EndDistance="6608.959" A="-4.5149061E13" B="1.36629873E10" C="-1033657.6" Error="0.00156"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="84.0" Depth="0.154"/>
<TopsideChapman PeakHeight="238.959" PeakDensity="174472.7" PeakScaleHeight="13.794" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
