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119 lines
4.2 KiB
C++
119 lines
4.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2022 Jon Beniston, M7RCE <jon@beniston.com> //
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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_GIRO_H
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#define INCLUDE_GIRO_H
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#include <QtCore>
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#include <QTimer>
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#include <QJsonDocument>
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#include "export.h"
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class QNetworkAccessManager;
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class QNetworkReply;
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class QNetworkDiskCache;
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// GIRO - Global Ionosphere Radio Observatory
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// Gets MUFD, TEC, foF2 and other data for various stations around the world
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// Also gets MUF and foF2 contours as GeoJSON
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// Data from https://prop.kc2g.com/stations/
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class SDRBASE_API GIRO : public QObject
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{
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Q_OBJECT
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protected:
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GIRO();
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public:
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// See the following paper for an explanation of some of these variables
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// https://sbgf.org.br/mysbgf/eventos/expanded_abstracts/13th_CISBGf/A%20Simple%20Method%20to%20Calculate%20the%20Maximum%20Usable%20Frequency.pdf
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struct GIROStationData {
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QString m_station;
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float m_latitude;
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float m_longitude;
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QDateTime m_dateTime;
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float m_mufd; // Maximum usable frequency
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float m_md; // Propagation coefficient? D=3000km?
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float m_tec; // Total electron content
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float m_foF2; // Critical frequency of F2 layer in ionosphere (highest frequency to be reflected)
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float m_hmF2; // F2 layer height of peak electron density (km?)
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float m_foE; // Critical frequency of E layer
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int m_confidence;
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GIROStationData() :
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m_latitude(NAN),
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m_longitude(NAN),
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m_mufd(NAN),
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m_md(NAN),
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m_tec(NAN),
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m_foF2(NAN),
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m_hmF2(NAN),
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m_foE(NAN),
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m_confidence(-1)
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{
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}
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};
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struct DataSet {
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QDateTime m_dateTime;
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QString m_runId;
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};
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static GIRO* create(const QString& service="prop.kc2g.com");
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~GIRO();
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void getIndexPeriodically(int periodInMins=15);
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void getDataPeriodically(int periodInMins=2);
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void getMUFPeriodically(int periodInMins=15);
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void getfoF2Periodically(int periodInMins=15);
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void getMUF(const QString& runId);
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void getfoF2(const QString& runId);
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QString getRunId(const QDateTime& dateTime);
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public slots:
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void getIndex();
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void getData();
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void getMUF();
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void getfoF2();
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private slots:
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void handleReply(QNetworkReply* reply);
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signals:
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void indexUpdated(const QList<DataSet>& data);
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void dataUpdated(const GIROStationData& data); // Called when new data available.
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void mufUpdated(const QJsonDocument& doc);
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void foF2Updated(const QJsonDocument& doc);
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private:
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bool containsNonNull(const QJsonObject& obj, const QString &key) const;
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void handleIndex(QJsonDocument& document);
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void handleStations(QJsonDocument& document);
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QTimer m_indexTimer;
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QTimer m_dataTimer; // Timer for periodic updates
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QTimer m_mufTimer;
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QTimer m_foF2Timer;
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QNetworkAccessManager *m_networkManager;
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QNetworkDiskCache *m_cache;
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QList<DataSet> m_index;
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};
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#endif /* INCLUDE_GIRO_H */
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