mirror of
https://github.com/f4exb/sdrangel.git
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239 lines
9.6 KiB
C
239 lines
9.6 KiB
C
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///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2021 Jon Beniston, M7RCE //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation as version 3 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License V3 for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with this program. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_BEACON_H
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#define INCLUDE_BEACON_H
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#include <stdio.h>
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#include <string.h>
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#include <QString>
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#include <QList>
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#include "util/units.h"
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#include "util/maidenhead.h"
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#include "../../channelrx/demodadsb/csv.h"
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#define IARU_BEACONS_URL "https://iaru-r1-c5-beacons.org/wp-content/uploads/beacons.csv"
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struct Beacon {
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QString m_callsign;
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quint64 m_frequency; // In Hz
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QString m_locator;
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float m_latitude;
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float m_longitude;
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float m_altitude; // In metres above sea-level
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QString m_power; // In Watts - sometimes a string with extra infos
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QString m_polarization; // H or V
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QString m_pattern; // Omni or 30deg etc
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QString m_key; // F1A, F1B
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QString m_mgm; // Machine mode
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QString getText()
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{
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QStringList list;
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list.append("Beacon");
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list.append(QString("Callsign: %1").arg(m_callsign));
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list.append(QString("Frequency: %1").arg(getFrequencyText()));
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if (!m_power.isEmpty())
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list.append(QString("Power: %1 Watts ERP").arg(m_power));
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if (!m_polarization.isEmpty())
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list.append(QString("Polarization: %1").arg(m_polarization));
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if (!m_pattern.isEmpty())
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list.append(QString("Pattern: %1").arg(m_pattern));
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if (!m_key.isEmpty())
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list.append(QString("Key: %1").arg(m_key));
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if (!m_mgm.isEmpty())
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list.append(QString("MGM: %1").arg(m_mgm));
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list.append(QString("Locator: %1").arg(m_locator));
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return list.join("\n");
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}
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QString getFrequencyText()
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{
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if (m_frequency > 1000000000)
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return QString("%1 GHz").arg(m_frequency/1000000000.0, 0, ',', 6);
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else if (m_frequency > 1000000)
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return QString("%1 MHz").arg(m_frequency/1000000.0, 0, ',', 3);
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else
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return QString("%1 kHz").arg(m_frequency/1000.0, 0, ',', 3);
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}
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// Uses ; rather than ,
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static QList<Beacon *> *readIARUCSV(const QString &filename)
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{
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int cnt = 0;
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QList<Beacon *> *beacons = nullptr;
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// Column numbers used for the data as of 2021/1/20
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int callsignCol = 0;
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int qrgCol = 1;
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int locatorCol = 2;
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int heightCol = 5;
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int patternCol = 7;
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int polarizationCol = 9;
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int powerCol = 10;
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int keyCol = 11;
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int mgmCol = 12;
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FILE *file;
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QByteArray utfFilename = filename.toUtf8();
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if ((file = fopen(utfFilename.constData(), "r")) != nullptr)
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{
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char row[2048];
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if (fgets(row, sizeof(row), file))
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{
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beacons = new QList<Beacon *>();
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// Read header
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int idx = 0;
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char *p = strtok(row, ";");
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while (p != nullptr)
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{
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if (!strcmp(p, "Callsign"))
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callsignCol = idx;
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else if (!strcmp(p, "QRG"))
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qrgCol = idx;
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else if (!strcmp(p, "Locator"))
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locatorCol = idx;
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else if (!strcmp(p, "Hight ASL") || !strcmp(p, "Height ASL"))
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heightCol = idx;
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else if (!strcmp(p, "Pattern"))
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patternCol = idx;
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else if (!strcmp(p, "H/V"))
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polarizationCol = idx;
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else if (!strcmp(p, "Power"))
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powerCol = idx;
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else if (!strcmp(p, "Keying"))
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keyCol = idx;
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else if (!strcmp(p, "MGM"))
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mgmCol = idx;
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p = strtok(nullptr, ",");
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idx++;
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}
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// Read data
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while (fgets(row, sizeof(row), file))
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{
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int id = 0;
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char *callsign = nullptr;
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size_t callsignLen = 0;
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char *frequencyString = nullptr;
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quint64 frequency;
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char *locator = nullptr;
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int height = 0;
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char *heightString = nullptr;
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char *pattern = nullptr;
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char *polarization = nullptr;
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char *power = nullptr;
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char *key = nullptr;
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char *mgm = nullptr;
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char *q = row;
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idx = 0;
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while ((p = csvNext(&q, ';')) != nullptr)
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{
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// Read strings, stripping quotes
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if ((idx == callsignCol) && (p[0] == '\"'))
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{
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callsign = p+1;
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callsignLen = strlen(callsign)-1;
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callsign[callsignLen] = '\0';
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}
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else if ((idx == qrgCol) && (p[0] == '\"'))
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{
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frequencyString = p+1;
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frequencyString[strlen(frequencyString)-1] = '\0';
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frequency = QString(frequencyString).toLongLong();
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}
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else if ((idx == locatorCol) && (p[0] == '\"'))
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{
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locator = p+1;
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locator[strlen(locator)-1] = '\0';
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}
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else if ((idx == heightCol) && (p[0] == '\"'))
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{
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heightString = p+1;
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heightString[strlen(heightString)-1] = '\0';
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height = atoi(heightString);
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}
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else if ((idx == patternCol) && (p[0] == '\"'))
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{
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pattern = p+1;
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pattern[strlen(pattern)-1] = '\0';
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}
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else if ((idx == polarizationCol) && (p[0] == '\"'))
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{
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polarization = p+1;
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polarization[strlen(polarization)-1] = '\0';
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}
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else if ((idx == powerCol) && (p[0] == '\"'))
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{
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power = p+1;
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power[strlen(power)-1] = '\0';
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}
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else if ((idx == keyCol) && (p[0] == '\"'))
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{
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key = p+1;
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key[strlen(key)-1] = '\0';
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}
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else if ((idx == mgmCol) && (p[0] == '\"'))
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{
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mgm = p+1;
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mgm[strlen(mgm)-1] = '\0';
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}
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idx++;
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}
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float latitude, longitude;
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if (callsign && frequency && locator && Maidenhead::fromMaidenhead(locator, latitude, longitude))
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{
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Beacon *beacon = new Beacon();
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beacon->m_callsign = callsign;
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beacon->m_frequency = frequency * 1000; // kHz to Hz
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beacon->m_locator = locator;
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beacon->m_latitude = latitude;
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beacon->m_longitude = longitude;
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beacon->m_altitude = height;
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if (!QString("omni").compare(pattern, Qt::CaseInsensitive))
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beacon->m_pattern = "Omni"; // Eliminate usage of mixed case
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else
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beacon->m_pattern = pattern;
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beacon->m_polarization = polarization;
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beacon->m_power = power;
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beacon->m_key = key;
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beacon->m_mgm = mgm;
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beacons->append(beacon);
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cnt++;
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}
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}
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}
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fclose(file);
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}
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else
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qDebug() << "Beacon::readIARUCSV: Failed to open " << filename;
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qDebug() << "Beacon::readIARUCSV: Read " << cnt << " beacons";
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return beacons;
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}
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};
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#endif // INCLUDE_BEACON_H
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