<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-05-06 -126 07:40:00.000"
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) 07:40:00</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">
FF202612605060740001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="3.500" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.723" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="13.031" 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="3.850" Name="fxI" Units="MHz" QL="/" DL="/" />
<URSI ID="16" Val="247.500" Name="h`F" Units="km" QL="/" DL="/" />
<URSI ID="04" Val="247.500" 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="3.400" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="275.162" 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="245.597" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="230.654" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="2.366" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="21.462" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.742" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="11.256" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="21.620" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.040" Name="B1" QL="/" DL="/" />
</CharacteristicList>
<TraceList Num="1">
<Trace Type="standard" Layer="F2" Polarization="O" Num="22">
<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
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
247.500 247.500 247.500 247.500 250.000 252.500 252.500 255.000 255.000 257.500 257.500 260.000 265.000 265.000 267.500 269.434 271.903 275.162 279.664 286.287 296.994 317.243
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
66 69 81 81 93 93 96 93 93 93 93 93 87 93 69 69 105 105 102 99 75 72
</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
</TraceValueList>
</Trace>
</TraceList>
<ProfileList Num="1">
<Profile  Algorithm="NH" AlgorithmVersion="4.32" Type="vertical" >
<Tabulated Num="328">
<AltitudeList Type="float" Units="km" Description="Altitude above station level" >
93.502 94.0 95.0 96.0 97.0 98.0 99.0 100.0 101.0 102.0 103.0 104.0 105.0 106.0 107.0 108.0 109.0 110.0 111.0 112.0 113.0 114.0 115.0 116.0 117.0 118.0 119.0 120.0 121.0 122.0 123.0 124.0 125.0 126.0 127.0 128.0 129.0 130.0 131.0 132.0 133.0 134.0 135.0 136.0 137.0 138.0 139.0 140.0 141.0 142.0 142.08333 143.0 144.0 145.0 146.0 147.0 148.0 149.0 150.0 151.0 152.0 153.0 154.0 155.0 156.0 157.0 158.0 159.0 160.0 161.0 162.0 163.0 164.0 165.0 166.0 167.0 168.0 169.0 170.0 171.0 172.0 173.0 174.0 174.16667 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 206.25 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 245.597 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0
</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 0.35354906 0.35298675 0.3521277 0.3511249 0.34983355 0.34833378 0.34655926 0.3445913 0.34229675 0.3398302 0.33706498 0.33401984 0.33071515 0.327109 0.32322994 0.31904808 0.31454307 0.3097052 0.30453598 0.29904887 0.29310012 0.2867813 0.2800439 0.2727352 0.26502842 0.25670934 0.24776544 0.23820302 0.22786881 0.21668318 0.20459439 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 0.2 0.2 0.204 0.2088 0.2136 0.2184 0.2232 0.228 0.2328 0.2376 0.2424 0.2472 0.252 0.2568 0.2616 0.2664 0.2712 0.276 0.2808 0.2856 0.2904 0.2952 0.3 0.3048 0.3096 0.3144 0.3192 0.324 0.3288 0.3336 0.3384 0.3432 0.348 0.3528 0.354 0.38454264 0.42840248 0.47602126 0.5275852 0.5832477 0.6431863 0.7075165 0.7763528 0.8497574 0.9277854 1.0104042 1.0976062 1.1892502 1.2851907 1.3852079 1.4890178 1.5962625 1.7065314 1.8193347 1.9340957 2.0502434 2.1670895 2.283894 2.3998895 2.5142717 2.6262069 2.7348444 2.8393388 2.938817 3.0324616 3.1194546 3.1990523 3.2705238 3.3332222 3.3865821 3.4301107 3.4633918 3.486111 3.4980552 3.5 3.4995651 3.494829 3.485124 3.47076 3.452046 3.429289 3.4027932 3.3728552 3.3397648 3.3038027 3.2652395 3.224335 3.181337 3.136483 3.0899968 3.0420904 2.992964 2.9428053 2.89179 2.8400824 2.7878356 2.7351909 2.6822798 2.6292233 2.576133 2.523111 2.4702508 2.417637 2.3653476 2.313452 2.2620132 2.211088 2.1607263 2.1109734 2.0618682 2.0134459 1.9657359 1.9187646 1.8725538 1.8271219 1.7824839 1.738652 1.6956356 1.6534413 1.6120738 1.5715352 1.5318263 1.4929457 1.4548905 1.4176565 1.3812385 1.3456297 1.3108224 1.2768081 1.2435776 1.211121 1.1794275 1.1484861 1.1182853 1.0888132 1.0600573 1.0320052 1.0046443 0.97796166 0.95194423 0.926579 0.9018528 0.87775254 0.8542651 0.8313774 0.8090765 0.7873494 0.76618344 0.7455658 0.7254839 0.7059255 0.68687826 0.66833013 0.65026927 0.63268393 0.61556256 0.59889394 0.5826669 0.56687045 0.55149406 0.53652704 0.52195925 0.50778055 0.49398103 0.4805511 0.46748123 0.4547622 0.44238496 0.43034065 0.41862068 0.40721655 0.39612004 0.38532308 0.37481785 0.36459664 0.35465196 0.3449765 0.33556315 0.326405 0.31749517 0.3088271 0.3003944 0.2921907 0.2842099 0.27644607 0.2688934 0.26154613 0.25439885 0.24744615 0.24068277 0.23410362 0.22770374 0.22147828 0.21542254 0.20953193 0.20380197 0.19822833 0.19280677 0.18753317 0.1824035 0.17741388 0.1725605 0.16783966 0.16324775 0.15878129 0.15443683 0.15021108 0.14610082 0.14210287 0.1382142 0.13443182 0.13075285 0.12717445 0.1236939 0.12030851 0.117015705 0.113812946 0.11069778 0.107667826 0.10472075 0.10185428 0.09906623 0.096354455 0.09371687 0.09115144 0.08865621 0.08622926 0.083868705 0.081572756 0.07933963 0.077167615 0.07505504 0.07300028 0.07100176 0.069057934 0.06716731 0.065328434 0.063539885 0.061800297 0.060108323 0.05846266 0.056862045 0.055305243 0.053791057 0.05231832 0.050885897

</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="3.5" PeakHeight="245.597" Num="5" zHalfNm="230.654" Error="0.563">
-38.811 -0.53 -0.028 0.023 -0.001
</ShiftedChebyshev>
</ShiftedChebyshevList>
<QuasiParabolicList Num="9" 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="6512.083" A="-1.47549225E11" B="4.5539884E7" C="-3513.7546" Error="0.00163"/>
<QuasiParabolic ID="2" StartDistance="6512.083" EndDistance="6544.167" A="0.0" B="-2048.814" C="0.3546435" Error="0.0392"/>
<QuasiParabolic ID="3" StartDistance="6544.167" EndDistance="6573.0" A="7.0215967E10" B="-2.1520856E7" C="1649.0378" Error="0.0392"/>
<QuasiParabolic ID="4" StartDistance="6573.0" EndDistance="6575.0" A="-6.111057E11" B="1.85788336E8" C="-14120.717" Error="5.94E-5"/>
<QuasiParabolic ID="5" StartDistance="6575.0" EndDistance="6584.0" A="1.04994743E13" B="-3.19385574E9" C="242886.45" Error="0.0318"/>
<QuasiParabolic ID="6" StartDistance="6584.0" EndDistance="6604.0" A="2.54486249E13" B="-7.73491E9" C="587741.7" Error="0.0305"/>
<QuasiParabolic ID="7" StartDistance="6604.0" EndDistance="6611.0" A="-4.0356721E13" B="1.21940255E10" C="-921111.7" Error="0.00358"/>
<QuasiParabolic ID="8" StartDistance="6611.0" EndDistance="6615.597" A="-7.1047366E13" B="2.14787482E10" C="-1623329.4" Error="3.8E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="96.25" Depth="0.154"/>
<TopsideChapman PeakHeight="245.597" PeakDensity="151985.11" PeakScaleHeight="11.256" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
