<?xml version="1.0"?>
<SAORecordList>
<SAORecord
FormatVersion="5.0"
StartTimeUTC="2026-04-14 -104 06:05:00.000"
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 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" >
2026.04.14 (104) 06:05:00</StartTime>
<SolarTerrestrialData>
<GyroFrequency Val="0.56" Model="IGRF 3.0" Altitude="300"/>
<DipAngle Val="-41.19" Model="IGRF 3.0" Altitude="300"/>
<DeclinationAngle Val="-15.98" Model="IGRF 3.0" Altitude="300"/>
<SunSpotNumber Val="78.74007" Status="predicted"/>
</SolarTerrestrialData>
<DigisondePreface Format="FF">
FF202610404140605001291297002000002515000000001107301000080205120000B05040001
</DigisondePreface>
</SystemInfo>
<CharacteristicList Num="24" >
<URSI ID="00" Val="2.900" Name="foF2" Units="MHz" QL="/" DL="/" />
<URSI ID="03" Val="3.677" Name="M(D)" QL="/" DL="/" />
<URSI ID="07" Val="10.664" Name="MUF(D)" Units="MHz" QL="/" DL="/" />
<URSI ID="42" Val="2.250" Name="fmin" Units="MHz" QL="/" DL="/" />
<URSI ID="80" Val="2.250" Name="fminF" Units="MHz" QL="/" DL="/" />
<URSI ID="51" Val="3.275" 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="0.075" Name="FF" Units="MHz" QL="/" DL="/" />
<URSI ID="88" Val="2.825" Name="fMUF" Units="MHz" QL="/" DL="/" />
<URSI ID="89" Val="282.500" Name="h`(fMUF)" Units="km" QL="/" DL="/" />
<Modeled Name="foEp" Val="0.354" Units="MHz" ModelName="CCIR-79" />
<URSI ID="61" Val="2.250" Name="f(h`F)" Units="MHz" QL="/" DL="/" />
<URSI ID="60" Val="2.250" Name="f(h`F2)" Units="MHz" QL="/" DL="/" />
<URSI ID="92" Val="245.101" Name="hmF2" Units="km" QL="/" DL="/" />
<URSI ID="93" Val="226.986" Name="zhalfNm" Units="km" QL="/" DL="/" />
<Modeled Name="foF2p" Val="3.304" Units="MHz" ModelName="URSI-88" ModelOptions="NoStorm" />
<URSI ID="94" Val="25.889" Name="yF2" Units="km" QL="/" DL="/" />
<URSI ID="71" Val="0.621" Name="TEC" Units="TECU" QL="/" DL="/" />
<URSI ID="09" Val="13.746" Name="scale F2" Units="km" QL="/" DL="/" />
<URSI ID="D0" Val="25.620" Name="B0" Units="km" QL="/" DL="/" />
<URSI ID="D1" Val="2.210" 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" >
2.25 2.275 2.3 2.325 2.35 2.375 2.4 2.425 2.45 2.475 2.5 2.525 2.55 2.575 2.6 2.625 2.65 2.675 2.7 2.725 2.75 2.775 2.8 2.825 2.85 2.875 2.9
</FrequencyList>
<RangeList Type="float" Units="km" Description="Group Range" >
240.000 241.250 242.500 243.750 245.000 246.250 247.500 247.500 250.000 250.000 250.000 255.000 255.833 256.667 257.500 257.500 260.000 262.500 265.000 267.500 275.000 275.000 280.000 282.500 289.693 299.662 314.393
</RangeList>
<TraceValueList Name="Amplitude" Type="integer" Units="dB" NoValue="0" Description="Relative Amplitude" >
72 0 0 0 57 0 69 84 84 78 78 72 0 0 69 75 75 75 75 69 72 63 66 51 45 0 0
</TraceValueList>
<TraceValueList Name="DopplerShift" Type="float" Units="Hz" NoValue="99.0" Description="Doppler Frequency Shift" >
-1.5625 1.5625 -7.8125 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="356">
<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 171.0 172.0 173.0 174.0 175.0 176.0 177.0 178.0 179.0 180.0 181.0 182.0 183.0 184.0 185.0 186.0 187.0 188.0 189.0 190.0 191.0 192.0 193.0 194.0 195.0 196.0 197.0 198.0 199.0 200.0 201.0 202.0 203.0 204.0 205.0 206.0 207.0 208.0 209.0 210.0 211.0 212.0 213.0 214.0 215.0 216.0 217.0 218.0 219.0 220.0 221.0 222.0 223.0 224.0 225.0 226.0 227.0 228.0 229.0 230.0 231.0 232.0 233.0 234.0 235.0 236.0 237.0 238.0 239.0 240.0 241.0 242.0 243.0 244.0 245.0 245.101 246.0 247.0 248.0 249.0 250.0 251.0 252.0 253.0 254.0 255.0 256.0 257.0 258.0 259.0 260.0 261.0 262.0 263.0 264.0 265.0 266.0 267.0 268.0 269.0 270.0 271.0 272.0 273.0 274.0 275.0 276.0 277.0 278.0 279.0 280.0 281.0 282.0 283.0 284.0 285.0 286.0 287.0 288.0 289.0 290.0 291.0 292.0 293.0 294.0 295.0 296.0 297.0 298.0 299.0 300.0 301.0 302.0 303.0 304.0 305.0 306.0 307.0 308.0 309.0 310.0 311.0 312.0 313.0 314.0 315.0 316.0 317.0 318.0 319.0 320.0 321.0 322.0 323.0 324.0 325.0 326.0 327.0 328.0 329.0 330.0 331.0 332.0 333.0 334.0 335.0 336.0 337.0 338.0 339.0 340.0 341.0 342.0 343.0 344.0 345.0 346.0 347.0 348.0 349.0 350.0 351.0 352.0 353.0 354.0 355.0 356.0 357.0 358.0 359.0 360.0 361.0 362.0 363.0 364.0 365.0 366.0 367.0 368.0 369.0 370.0 371.0 372.0 373.0 374.0 375.0 376.0 377.0 378.0 379.0 380.0 381.0 382.0 383.0 384.0 385.0 386.0 387.0 388.0 389.0 390.0 391.0 392.0 393.0 394.0 395.0 396.0 397.0 398.0 399.0 400.0 401.0 402.0 403.0 404.0 405.0 406.0 407.0 408.0 409.0 410.0 411.0 412.0 413.0 414.0 415.0 416.0 417.0 418.0 419.0 420.0 421.0 422.0 423.0 424.0 425.0 426.0 427.0 428.0 429.0 430.0 431.0 432.0 433.0 434.0 435.0 436.0 437.0 438.0 439.0 440.0 441.0 442.0 443.0 444.0 445.0
</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 0.38904655 0.4268913 0.46736386 0.5103292 0.5557171 0.6034713 0.65360796 0.7061464 0.7611384 0.8186519 0.87875557 0.94149536 1.0069423 1.0751271 1.1460353 1.2196479 1.295876 1.3745695 1.455501 1.5384204 1.6229166 1.7085804 1.794879 1.8812672 1.9671202 2.0518162 2.1347373 2.2152967 2.292934 2.3671498 2.4374962 2.5036225 2.5651937 2.6219823 2.6737797 2.7204418 2.7618463 2.797911 2.8285801 2.8538108 2.8735788 2.8878698 2.8966684 2.899972 2.9 2.8988051 2.894752 2.8879645 2.8785832 2.866749 2.8526022 2.836282 2.8179255 2.7976673 2.7756395 2.7519705 2.7267854 2.7002053 2.6723468 2.643323 2.6132414 2.5822065 2.5503168 2.5176675 2.484348 2.4504445 2.4160373 2.381204 2.346016 2.3105423 2.2748466 2.2389894 2.2030268 2.1670117 2.1309931 2.095017 2.0591257 2.0233588 1.9877527 1.952341 1.9171546 1.8822219 1.8475689 1.8132192 1.7791944 1.7455139 1.7121953 1.6792543 1.646705 1.6145598 1.5828295 1.5515238 1.520651 1.4902179 1.4602305 1.4306934 1.4016106 1.3729849 1.3448185 1.3171123 1.2898672 1.2630826 1.2367582 1.2108923 1.1854833 1.1605287 1.1360257 1.111971 1.0883614 1.0651927 1.0424608 1.0201614 0.99828964 0.9768408 0.95580965 0.9351911 0.9149796 0.89516973 0.87575585 0.8567322 0.8380931 0.81983256 0.8019448 0.7844238 0.76726377 0.75045854 0.7340022 0.71788883 0.70211244 0.6866671 0.6715469 0.656746 0.6422585 0.6280787 0.6142008 0.6006191 0.587328 0.5743219 0.5615954 0.5491429 0.53695905 0.52503866 0.5133764 0.50196713 0.49080577 0.4798873 0.46920678 0.45875937 0.44854024 0.43854475 0.42876825 0.41920617 0.40985405 0.4007075 0.39176223 0.38301396 0.37445855 0.36609188 0.35791 0.34990892 0.3420848 0.33443385 0.32695237 0.3196367 0.31248328 0.3054886 0.2986492 0.29196173 0.28542295 0.27902955 0.2727784 0.26666638 0.2606905 0.25484774 0.2491352 0.24355002 0.2380894 0.23275062 0.227531 0.22242792 0.21743879 0.21256112 0.20779243 0.20313035 0.19857247 0.19411653 0.18976025 0.18550144 0.18133792 0.1772676 0.17328838 0.16939825 0.16559523 0.16187741 0.15824285 0.15468973 0.15121624 0.14782058 0.14450102 0.14125589 0.13808349 0.13498223 0.13195053 0.1289868 0.12608956 0.12325729 0.12048856 0.11778196 0.11513607 0.112549566 0.1100211 0.10754937 0.10513312 0.10277111 0.10046211 0.09820495 0.09599845 0.09384149 0.091732964 0.08967178 0.08765688 0.08568721 0.08376179 0.08187959 0.08003967 0.07824108 0.07648288 0.07476416 0.07308406 0.07144169 0.06983621 0.068266794 0.06673264 0.06523294 0.063766934 0.062333867 0.06093299 0.059563592 0.058224957 0.056916397 0.055637237 0.05438682 0.053164497 0.05196964 0.05080163

</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="2.9" PeakHeight="245.101" Num="5" zHalfNm="226.986" Error="0.854">
-44.593 0.991 -0.876 0.511 -0.134
</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="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="32.251965" C="0.03506901" Error="5.74E-4"/>
<QuasiParabolic ID="3" StartDistance="6540.667" EndDistance="6541.0" A="-1.05122481E13" B="3.21425766E9" C="-245700.33" Error="0.0"/>
<QuasiParabolic ID="4" StartDistance="6541.0" EndDistance="6542.0" A="3.5612902E12" B="-1.08891853E9" C="83238.39" Error="7.15E-10"/>
<QuasiParabolic ID="5" StartDistance="6542.0" EndDistance="6543.0" A="-3.46677995E12" B="1.05968128E9" C="-80977.44" Error="0.0"/>
<QuasiParabolic ID="6" StartDistance="6543.0" EndDistance="6544.0" A="3.56355355E12" B="-1.08928205E9" C="83241.06" Error="6.48E-10"/>
<QuasiParabolic ID="7" StartDistance="6544.0" EndDistance="6545.0" A="-2.83288876E12" B="8.6562086E8" C="-66124.984" Error="0.0"/>
<QuasiParabolic ID="8" StartDistance="6545.0" EndDistance="6548.0" A="5.29977999E11" B="-1.6199312E8" C="12378.756" Error="0.0195"/>
<QuasiParabolic ID="9" StartDistance="6548.0" EndDistance="6570.0" A="2.25922109E10" B="-7018839.0" C="545.0451" Error="0.0171"/>
<QuasiParabolic ID="10" StartDistance="6570.0" EndDistance="6572.0" A="1.08416698E13" B="-3.30049741E9" C="251190.3" Error="0.0"/>
<QuasiParabolic ID="11" StartDistance="6572.0" EndDistance="6580.0" A="6.2389444E12" B="-1.89978995E9" C="144623.98" Error="0.00937"/>
<QuasiParabolic ID="12" StartDistance="6580.0" EndDistance="6600.0" A="1.44529026E13" B="-4.3964339E9" C="334338.56" Error="0.0164"/>
<QuasiParabolic ID="13" StartDistance="6600.0" EndDistance="6609.0" A="-2.0351539E13" B="6.1503672E9" C="-464661.5" Error="0.00464"/>
<QuasiParabolic ID="14" StartDistance="6609.0" EndDistance="6615.101" A="-2.9982116E13" B="9.0647491E9" C="-685147.4" Error="2.78E-4"/>
</QuasiParabolicList>
<ProfileValley Model="ULCAR" Width="91.0" Depth="0.154"/>
<TopsideChapman PeakHeight="245.101" PeakDensity="104342.43" PeakScaleHeight="13.746" />
</Profile>
</ProfileList>
</SAORecord>
</SAORecordList>
