Inital Commit

satellite_tle/__init__.py

@@ -0,0 +1,2 @@
+from .fetch_tle import * # noqa
+from .fetch_tles import * # noqa

satellite_tle/fetch_tle.py

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+import csv
+from lxml import html
+import requests
+import pkg_resources
+
+SOURCES_LIST = pkg_resources.resource_filename('satellite_tle', 'sources.csv')
+
+
+def get_tle_sources():
+    '''
+    Returns a list of (source, url)-tuples for well-known TLE sources.
+    '''
+
+    sources = []
+
+    with open(SOURCES_LIST) as csvfile:
+        csv_reader = csv.reader(csvfile,
+                                delimiter=',',
+                                quotechar='\'',
+                                quoting=csv.QUOTE_NONNUMERIC)
+        for row in csv_reader:
+            source, url = row
+            sources.append((source, url))
+
+    return sources
+
+
+def fetch_tle_from_celestrak(norad_cat_id):
+    '''
+    Returns the TLE for a given norad_cat_id as currently available from CelesTrak.
+    Raises IndexError if no data is available for the given norad_cat_id.
+    '''
+
+    r = requests.get('https://www.celestrak.com/satcat/tle.php?CATNR={}'.format(norad_cat_id))
+    page = html.fromstring(r.text)
+
+    tle = page.xpath('//pre/text()')[0].split('\n')
+    if tle[1].strip() == 'No TLE found':
+        raise LookupError
+
+    return tle[1].strip(), tle[2].strip(), tle[3].strip()
+
+
+def fetch_tles_from_url(url):
+    '''
+    Downloads the TLE set from the given url.
+    Returns a dictionary of the form {norad_id1: tle1, norad_id2: tle2} for all TLEs found.
+    tleN is returned as list of three strings: [satellite_name, line1, line2].
+    '''
+
+    r = requests.get(url)
+
+    tles = dict()
+    l0 = ''
+    l1 = ''
+    lines = r.text.splitlines()
+    for l in lines[:-1]:
+        if l[0] == '2':
+            norad_cat_id = int(l1[2:7].encode('ascii'))
+            tles[norad_cat_id] = (l0.strip(), l1, l)
+        l0 = l1
+        l1 = l
+
+    return tles

satellite_tle/fetch_tles.py

@@ -0,0 +1,66 @@
+from __future__ import print_function
+
+from sgp4.earth_gravity import wgs72
+from sgp4.io import twoline2rv
+
+from . import get_tle_sources, fetch_tles_from_url, fetch_tle_from_celestrak
+
+
+def fetch_tles(requested_norad_ids):
+    '''
+    Returns the most recent TLEs found for the requested satellites
+    available via Celestrak, CalPoly and AMSAT.
+    '''
+
+    # List of 2-tuples of the form (source, tle)
+    # source is a human-readable string
+    # tle is a 3-tuple of strings
+    tles = dict()
+
+    def update_tles(source, tle):
+        if norad_id not in requested_norad_ids:
+            # Satellite not requested,
+            # skip.
+            return
+
+        if norad_id not in tles.keys():
+            # Satellite requested and first occurence in the downloaded data,
+            # store new TLE.
+            #print('Found {}'.format(norad_id))
+            tles[norad_id] = source, tle
+            return
+
+        # There are multiple TLEs for this satellite available.
+        # Parse and compare epoch of both TLEs and choose the most recent one.
+        current_sat = twoline2rv(tles[norad_id][1][1], tles[norad_id][1][2], wgs72)
+        new_sat = twoline2rv(tle[1], tle[2], wgs72)
+        if new_sat.epoch > current_sat.epoch:
+            # Found a more recent TLE than the current one,
+            # store the new TLE.
+
+            tles[norad_id] = source, tle
+
+    # Fetch TLE sets from well-known TLE sources
+    sources = get_tle_sources()
+
+    for source, url in sources:
+        #print('Fetch from {}'.format(url))
+        new_tles = fetch_tles_from_url(url=url)
+
+        for norad_id, tle in new_tles.items():
+            update_tles(source, tle)
+
+    # Try fetching missing sats from another Celestrak endoint
+    missing_norad_ids = set(requested_norad_ids) - set(tles.keys())
+
+    for norad_id in missing_norad_ids:
+        try:
+            #print('Fetching {} from Celestrak (satcat):'.format(norad_id), end='')
+            tle = fetch_tle_from_celestrak(norad_id)
+            #print(' ok, ', end='')
+            update_tles('Celestrak (satcat)', tle)
+        except LookupError:
+            #print(' failed.')
+            continue
+
+    return tles

satellite_tle/sources.csv

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+'CalPoly','http://mstl.atl.calpoly.edu/~ops/keps/kepler.txt'
+'AMSAT','https://www.amsat.org/amsat/ftp/keps/current/nasabare.txt'
+'Celestrak (tle-new)','https://www.celestrak.com/NORAD/elements/tle-new.txt'
+'Celestrak (stations)','https://www.celestrak.com/NORAD/elements/stations.txt'
+'Celestrak (visual)','https://www.celestrak.com/NORAD/elements/visual.txt'
+'Celestrak (1999-025)','https://www.celestrak.com/NORAD/elements/1999-025.txt'
+'Celestrak (iridium-33-debris)','https://www.celestrak.com/NORAD/elements/iridium-33-debris.txt'
+'Celestrak (cosmos-2251-debris)','https://www.celestrak.com/NORAD/elements/cosmos-2251-debris.txt'
+'Celestrak (2012-044)','https://www.celestrak.com/NORAD/elements/2012-044.txt'
+'Celestrak (weather)','https://www.celestrak.com/NORAD/elements/weather.txt'
+'Celestrak (noaa)','https://www.celestrak.com/NORAD/elements/noaa.txt'
+'Celestrak (goes)','https://www.celestrak.com/NORAD/elements/goes.txt'
+'Celestrak (resource)','https://www.celestrak.com/NORAD/elements/resource.txt'
+'Celestrak (sarsat)','https://www.celestrak.com/NORAD/elements/sarsat.txt'
+'Celestrak (dmc)','https://www.celestrak.com/NORAD/elements/dmc.txt'
+'Celestrak (tdrss)','https://www.celestrak.com/NORAD/elements/tdrss.txt'
+'Celestrak (argos)','https://www.celestrak.com/NORAD/elements/argos.txt'
+'Celestrak (planet)','https://www.celestrak.com/NORAD/elements/planet.txt'
+'Celestrak (spire)','https://www.celestrak.com/NORAD/elements/spire.txt'
+'Celestrak (geo)','https://www.celestrak.com/NORAD/elements/geo.txt'
+'Celestrak (intelsat)','https://www.celestrak.com/NORAD/elements/intelsat.txt'
+'Celestrak (ses)','https://www.celestrak.com/NORAD/elements/ses.txt'
+'Celestrak (iridium)','https://www.celestrak.com/NORAD/elements/iridium.txt'
+'Celestrak (iridium-NEXT)','https://www.celestrak.com/NORAD/elements/iridium-NEXT.txt'
+'Celestrak (orbcomm)','https://www.celestrak.com/NORAD/elements/orbcomm.txt'
+'Celestrak (globalstar)','https://www.celestrak.com/NORAD/elements/globalstar.txt'
+'Celestrak (amateur)','https://www.celestrak.com/NORAD/elements/amateur.txt'
+'Celestrak (other-comm)','https://www.celestrak.com/NORAD/elements/other-comm.txt'
+'Celestrak (gorizont)','https://www.celestrak.com/NORAD/elements/gorizont.txt'
+'Celestrak (raduga)','https://www.celestrak.com/NORAD/elements/raduga.txt'
+'Celestrak (molniya)','https://www.celestrak.com/NORAD/elements/molniya.txt'
+'Celestrak (gps-ops)','https://www.celestrak.com/NORAD/elements/gps-ops.txt'
+'Celestrak (glo-ops)','https://www.celestrak.com/NORAD/elements/glo-ops.txt'
+'Celestrak (galileo)','https://www.celestrak.com/NORAD/elements/galileo.txt'
+'Celestrak (beidou)','https://www.celestrak.com/NORAD/elements/beidou.txt'
+'Celestrak (sbas)','https://www.celestrak.com/NORAD/elements/sbas.txt'
+'Celestrak (nnss)','https://www.celestrak.com/NORAD/elements/nnss.txt'
+'Celestrak (musson)','https://www.celestrak.com/NORAD/elements/musson.txt'
+'Celestrak (science)','https://www.celestrak.com/NORAD/elements/science.txt'
+'Celestrak (geodetic)','https://www.celestrak.com/NORAD/elements/geodetic.txt'
+'Celestrak (engineering)','https://www.celestrak.com/NORAD/elements/engineering.txt'
+'Celestrak (education)','https://www.celestrak.com/NORAD/elements/education.txt'
+'Celestrak (military)','https://www.celestrak.com/NORAD/elements/military.txt'
+'Celestrak (radar)','https://www.celestrak.com/NORAD/elements/radar.txt'
+'Celestrak (cubesat)','https://www.celestrak.com/NORAD/elements/cubesat.txt'
+'Celestrak (other)','https://www.celestrak.com/NORAD/elements/other.txt'

satnogs.py

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+from datetime import datetime , timedelta
+import requests
+from flask import Flask , render_template,redirect,url_for
+import json
+from apscheduler.schedulers.background import BackgroundScheduler
+import ephem
+from satnogs_api_client import fetch_satellites, DB_BASE_URL
+from satellite_tle import fetch_tles
+
+scheduler = BackgroundScheduler()
+app = Flask(__name__)
+
+modes = {1: 'FM', 2: 'AFSK1k2', 5: 'SSTV', 6: 'CW', 7: 'FMN', 9: 'USB', 15: 'GFSK4k8', 17: 'AHRPT', 18: 'AFSK9k6', 19: 'AM', 20: 'LSB', 21: 'FSK1k2', 22: 'FSK9k6', 26: 'GFSK1k2', 27: 'GFSK2k4', 28: 'GFSK9k6', 29: 'GFSK19k2', 30: 'MSK1k2', 31: 'MSK2k4', 32: 'MSK4k8', 33: 'MSK9k6', 34: 'MSK19k2', 35: 'MSK38k4', 36: 'GMSK1k2', 37: 'GMSK2k4', 38: 'GMSK4k8', 39: 'GMSK9k6', 40: 'PSK31', 41: 'PSK63', 42: 'QPSK31', 43: 'QPSK63', 44: 'APT', 45: 'HRPT', 46: 'FSK4k8', 47: 'BPSK1k2', 48: 'GMSK19k2', 49: 'AFSK', 50: 'BPSK', 51: 'FSK19k2', 52: 'BPSK115k2', 53: 'LRPT', 54: 'BPSK9k6', 55: 'FFSK1k2', 56: 'FSK2k4', 57: 'DSTAR', 58: 'DUV', 59: 'CERTO', 60: 'BPSK400', 61: 'OFDM', 62: 'QPSK38k4'}
+
+
+Passes = []
+Stations = []
+TLEs = {}
+
+class Pass:
+    id = 0
+    start = None
+    end = None
+    ground_station = None
+    satellite = None
+    transmitter = None
+   
+    def __repr__(self):
+        return "\n<ID>: {}\n<Start>: {}\n<End>: {}\n<Ground Station>: {}\n<Satellite> {}\n<Transmitter>: {}".format(self.id,self.start.strftime('%Y-%m-%dT%H:%M:%S%z'),self.end.strftime('%Y-%m-%dT%H:%M:%S%z'),self.ground_station,json.dumps(self.satellite,indent = 1),json.dumps(self.transmitter,indent=1))
+    
+
+
+def getActive():
+    start = (datetime.utcnow() - timedelta(0,0,0,0,20)).strftime('%Y-%m-%dT%H:%M:%S%z')
+    end = (datetime.utcnow() + timedelta(0,0,0,0,30)).strftime('%Y-%m-%dT%H:%M:%S%z')
+    
+    passesR = requests.get("https://network.satnogs.org/api/observations/?end="+end+"&format=json&start="+start)
+    passes = passesR.json()
+    if passesR.links.has_key("next"):
+        while passesR.links.has_key("next"):
+            passesR = requests.get(passesR.links["next"]["url"])
+            passes += passesR.json()
+    ground_stations = {}
+    for x in passes:
+        if datetime.strptime(x["start"],'%Y-%m-%dT%H:%M:%Sz') > datetime.utcnow() or datetime.strptime(x["end"],'%Y-%m-%dT%H:%M:%Sz') < datetime.utcnow():
+            passes.remove(x)
+        else:
+            if ground_stations.has_key(x["ground_station"]):
+                ground_stations[x["ground_station"]].append(x)
+            else:
+                ground_stations[x["ground_station"]] = []
+                ground_stations[x["ground_station"]].append(x)
+    passes = []
+    for x in ground_stations:
+        start = datetime.utcnow()
+        current = {"start":datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%S%z')+"z"}
+        for y in ground_stations[x]:
+            if datetime.strptime(y["start"],'%Y-%m-%dT%H:%M:%Sz') < datetime.strptime(current["start"],'%Y-%m-%dT%H:%M:%Sz'):
+                current = y
+        passes.append(current)
+    Passes =[]
+    for x in passes:
+        temp = Pass()
+        temp.id = x["id"]
+        temp.start = datetime.strptime(x["start"],'%Y-%m-%dT%H:%M:%Sz')
+        temp.end = datetime.strptime(x["end"],'%Y-%m-%dT%H:%M:%Sz')
+        temp.ground_station = x["ground_station"]
+        temp.satellite = requests.get("https://db.satnogs.org/api/satellites/"+str(x["norad_cat_id"]))  .json()
+        temp.transmitter = requests.get("https://db.satnogs.org/api/transmitters/"+x["transmitter"]).json()
+        Passes.append(temp)
+        
+    
+    
+    return Passes
+    
+    
+def GetGroundStations():
+    stationsR = requests.get("https://network.satnogs.org/api/stations/")
+    stations = stationsR.json() 
+    while stationsR.links.has_key("next"):
+        stationsR = requests.get(stationsR.links["next"]["url"])
+        stations += stationsR.json()
+   
+    for x in stations:
+        if x["last_seen"] == None:
+            stations.remove(x)
+            continue
+            
+        if datetime.strptime(x["last_seen"],'%Y-%m-%dT%H:%M:%Sz') < (datetime.utcnow()- timedelta(10,0,0,0)):
+                stations.remove(x)
+    for x in stations:
+        if x["last_seen"] == None:
+            stations.remove(x)
+            continue
+            
+        if datetime.strptime(x["last_seen"],'%Y-%m-%dT%H:%M:%Sz') < (datetime.utcnow()- timedelta(10,0,0,0)):
+                stations.remove(x)
+                
+   
+    return stations
+    
+        
+@scheduler.scheduled_job('interval',minutes=3)        
+def updatePasses():
+    global Passes
+    print "Updating Passes"
+    Passes = getActive()
+    
+@scheduler.scheduled_job('interval',hours=10)   
+def updateStations():
+    global Stations
+    print "Updating Stations"
+    Stations = GetGroundStations()
+    
+@scheduler.scheduled_job('interval',days=1)   
+def updateTLE():
+    print "Updating TLE"
+    sats = fetch_satellites(url=DB_BASE_URL, max_satellites=None)
+    satnogs_db_norad_ids = set(sat['norad_cat_id'] for sat in sats if sat['status'] != 're-entered')
+    # Remove satellites with temporary norad ids
+    temporary_norad_ids = set(filter(lambda norad_id: norad_id >= 99900, satnogs_db_norad_ids))
+    satnogs_db_norad_ids = satnogs_db_norad_ids - temporary_norad_ids
+
+    # Fetch TLEs for the satellites of interest
+    tles = fetch_tles(satnogs_db_norad_ids)
+    
+    for norad_id, (source, tle) in tles.items():
+        TLEs[norad_id] = [str(tle[0]),str(tle[1]),str(tle[2])]
+    print('\nTLEs for {} of {} requested satellites found ({} satellites with temporary norad ids skipped).'.format(len(tles), len(satnogs_db_norad_ids), len(temporary_norad_ids)))
+
+
+
+@app.route('/')
+def index():
+    return 'Satnogs Network Info<br>Updated every 5 min<br><a href="/occuringobservations">IDs of all occuring observations with links to the obs</a><br><a href="/api/activestations">IDs of all stations actively in an observation</a><br><a href="/api/onlinestations">All online stations</a><br><a href="/api/occuringobservations">IDs of all occuring observations</a>'
+ 
+@app.route("/map_view")
+def map_view():
+    stations = []
+    for x in Stations:
+        stations.append({'id':x['id'],'name':x['name'],'lat_lng':[x["lat"],x['lng']]})
+    return render_template("map.html",stations = stations)
+
+@app.route('/occuringobservations')
+def occuring_observations():
+    obs = []
+    for x in Passes:
+        obs.append("<a href='https://network.satnogs.org/observations/"+str(x.id)+"'>"+str(x.id)+"</a>")
+    return json.dumps(obs)
+ 
+@app.route('/api/activestations')
+def api_active_stations():
+    stations = []
+    for x in Passes:
+        stations.append(x.ground_station)
+    return json.dumps(stations) 
+    
+@app.route('/api/onlinestations')
+def api_online_stations():
+    stations = []
+    for x in Stations:
+        stations.append(x["id"])
+    return json.dumps(stations) 
+
+
+    
+@app.route('/api/occuringobservations')
+def api_occuring_observations():
+    obs = []
+    for x in Passes:
+        obs.append(x.id)
+    return json.dumps(obs)
+    
+@app.route('/api/occuringsats')
+def api_occuring_sats():
+    obs = {}
+    for x in Passes:
+        satellite = ephem.readtle(TLEs[x.satellite['norad_cat_id']][0],TLEs[x.satellite['norad_cat_id']][1],TLEs[x.satellite['norad_cat_id']][2])
+        now = datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S')
+        satellite.compute(now)
+        lat = satellite.sublat*57.295779514
+        long = satellite.sublong*57.295779514
+        obs[x.satellite['norad_cat_id']] = {"name":x.satellite["name"],"transmitter_name":x.transmitter["description"],"transmitter_downlink":x.transmitter["downlink_low"],"transmitter_mode":modes[x.transmitter["mode_id"]],"lat_lng":[lat,long]}
+    return json.dumps(obs)
+    
+@app.route('/api/satstationpairs')
+def api_sat_station_pairs():
+    pairs = []
+    for x in Passes:
+        pairs.append([x.ground_station,x.satellite['norad_cat_id']])
+    return json.dumps(pairs)
+    
+@app.route('/api/getsatloc/<int:norad>')
+def get_sat_loc(norad):
+    satellite = ephem.readtle(TLEs[norad][0],TLEs[norad][1],TLEs[norad][2])
+    now = datetime.utcnow().strftime('%Y-%m-%d %H:%M:%S')
+    satellite.compute(now)
+    lat = satellite.sublat*57.295779514
+    long = satellite.sublong*57.295779514
+    return json.dumps([lat,long])
+   
+updatePasses()   
+updateStations()
+updateTLE()
+scheduler.start()
+app.run(use_reloader=False,host = "0.0.0.0")

satnogs_api_client.py

@@ -0,0 +1,188 @@
+import requests
+import re
+
+
+NETWORK_DEV_BASE_URL = 'https://network-dev.satnogs.org'
+NETWORK_BASE_URL = 'https://network.satnogs.org'
+DB_BASE_URL = 'https://db.satnogs.org'
+DB_DEV_BASE_URL = 'https://db-dev.satnogs.org'
+
+
+def fetch_observation_data_from_id(norad_id, start, end, prod=True):
+    # Get all observations of the satellite with the given `norad_id` in the given timeframe
+    # https://network.satnogs.org/api/observations/?satellite__norad_cat_id=25544&start=2018-06-10T00:00&end=2018-06-15T00:00
+
+    query_str = '{}/api/observations/?satellite__norad_cat_id={}&start={}&end={}'
+
+    url = query_str.format(NETWORK_BASE_URL if prod else NETWORK_DEV_BASE_URL,
+                           norad_id,
+                           start.isoformat(),
+                           end.isoformat())
+
+    # print(url)
+    r = requests.get(url=url)
+
+    if r.status_code != requests.codes.ok:
+        print("No observations found for {}, start: {}, end: {}.".format(norad_id, start_time, end_time))
+        raise
+
+    observations = r.json()
+
+    next_page_available = ('Link' in r.headers.keys())
+
+    if next_page_available:
+        parts = r.headers['Link'].split(',')
+        for part in parts:
+            if part[-5:-1] == 'next':
+                next_page_url = part[1:-13]
+
+    while next_page_available:
+        # print(next_page_url)
+        r = requests.get(url=next_page_url)
+
+        observations.extend(r.json())
+
+        next_page_available = False
+
+        if 'Link' in r.headers.keys():
+            parts = r.headers['Link'].split(',')
+            for part in parts:
+                if part[-5:-1] == 'next':
+                    next_page_url = part[1:-13]
+                    next_page_available = True
+
+    # Current prod is broken and can't filter on NORAD ID correctly, use client-side filtering instead
+    observations = list(filter(lambda o: o['norad_cat_id'] == norad_id, observations))
+
+    return observations
+
+
+def fetch_observation_data(observation_ids, prod=True):
+    # Get station location from the observation via the observation_id
+    
+    observations = []
+    for observation_id in observation_ids:
+        r = requests.get(url='{}/api/observations/{}/'.format(NETWORK_BASE_URL if prod else NETWORK_DEV_BASE_URL,
+                                                          observation_id))
+        if r.status_code != requests.codes.ok:
+            print("Observation {} not found in network.".format(observation_id))
+            continue
+        observations.append(r.json())
+
+    return observations
+
+def fetch_ground_station_data(ground_station_ids, prod=True):
+    # Fetch ground station metadata from network
+    ground_stations = []
+    for ground_station_id in ground_station_ids:
+        r = requests.get(url='{}/api/stations/{}/'.format(NETWORK_BASE_URL if prod else NETWORK_DEV_BASE_URL,
+                                                      ground_station_id))
+        if r.status_code != requests.codes.ok:
+            print("Ground Station {} not found in db.".format(ground_station_id))
+            raise
+        data = r.json()
+        ground_stations.append(r.json())
+    return ground_stations
+
+def fetch_satellite_data(norad_cat_id):
+    # Fetch satellite metadata from network
+    r = requests.get(url='{}/api/satellites/{}/'.format(DB_BASE_URL, norad_cat_id))
+    if r.status_code != requests.codes.ok:
+        print("ERROR: Satellite {} not found in network.".format(norad_cat_id))
+
+    return r.json()
+
+def fetch_tle_of_observation(observation_id, prod=True):
+    url = '{}/observations/{}/'.format(NETWORK_BASE_URL if prod else NETWORK_DEV_BASE_URL,
+                                       observation_id)
+    r = requests.get(url=url)
+    observation_page_html = r.text
+
+    regex = r"<pre>1 (.*)<br>2 (.*)</pre>"
+    matches = re.search(regex, observation_page_html)
+
+    obs_tle_2 = '1 ' + matches.group(1)
+    obs_tle_3 = '2 ' + matches.group(2)
+
+    return [obs_tle_2, obs_tle_3]
+
+
+def fetch_telemetry(norad_id, max_frames, url):
+    # http://db-dev.satnogs.org/api/telemetry/?satellite=43595
+
+    query_str = '{}/api/telemetry/?satellite={}'
+    url = query_str.format(url, norad_id)
+
+    try:
+        data = fetch_multi_page_api_endpoint(url, max_entries=max_frames)
+    except HTTPError:
+        print("No telemetry found for {}.".format(norad_id))
+        raise
+
+    return data
+
+
+def fetch_satellites(max_satellites, url):
+    query_str = '{}/api/satellites/'
+    url = query_str.format(url)
+
+    try:
+        data = fetch_multi_page_api_endpoint(url, max_entries=max_satellites)
+    except HTTPError:
+        print("An HTTPError occured.")
+        raise
+
+    return data
+
+def fetch_multi_page_api_endpoint(url, max_entries):
+    # print(url)
+    r = requests.get(url=url)
+    r.raise_for_status()
+
+    data = r.json()
+
+    next_page_available = ('Link' in r.headers.keys())
+
+    if next_page_available and (not max_entries or len(data) < max_entries):
+        parts = r.headers['Link'].split(',')
+        for part in parts:
+            if part[-5:-1] == 'next':
+                next_page_url = part[1:-13]
+
+    while next_page_available and (not max_entries or len(data) < max_entries):
+        # print(next_page_url)
+        r = requests.get(url=next_page_url)
+
+        data.extend(r.json())
+
+        next_page_available = False
+
+        if 'Link' in r.headers.keys():
+            parts = r.headers['Link'].split(',')
+            for part in parts:
+                if part[-5:-1] == 'next':
+                    next_page_url = part[1:-13]
+                    next_page_available = True
+
+    return data
+
+
+def post_telemetry(norad_id,
+                   source,
+                   lon,
+                   lat,
+                   timestamp,
+                   frame,
+                   base_url=DB_DEV_BASE_URL):
+    payload = {'noradID': norad_id,
+               'source': source,
+               'timestamp': timestamp,
+               'latitude': lat,
+               'longitude': lon,
+               'frame': frame}
+
+    url = '{}/api/telemetry/'.format(base_url)
+    r = requests.post(url, data=payload)
+
+    if r.status_code != 201:
+        print('ERROR {}: {}'.format(r.status_code, r.text))

templates/map.html

@@ -0,0 +1,147 @@
+<head>
+<link rel="stylesheet" href="https://unpkg.com/leaflet@1.3.4/dist/leaflet.css"
+   integrity="sha512-puBpdR0798OZvTTbP4A8Ix/l+A4dHDD0DGqYW6RQ+9jxkRFclaxxQb/SJAWZfWAkuyeQUytO7+7N4QKrDh+drA=="
+   crossorigin=""/>
+    <script src="https://unpkg.com/leaflet@1.3.4/dist/leaflet.js"
+   integrity="sha512-nMMmRyTVoLYqjP9hrbed9S+FzjZHW5gY1TWCHA5ckwXZBadntCNs8kEqAWdrb9O7rxbCaA4lKTIWjDXZxflOcA=="
+   crossorigin=""></script>
+   <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
+</head>
+
+<style>
+#mapid { height: 500px; }
+</style>
+
+<div class="container">
+    <div class="row"> .
+        <div class="col-md-12">
+            <center>
+                <img src="/static/satnogs-net-logo.png">      
+                <br>
+                <div id="mapid" ></div>
+                
+            </center>
+        </div>
+    </div>
+</div> 
+
+<script>
+
+var sat = L.icon({
+    iconUrl: 'static/satellite-marker.png',
+    iconSize: [40, 40],
+    iconAnchor: [20, 20],
+    popupAnchor: [0, 0],
+    
+});
+
+var station = L.icon({
+    iconUrl: 'static/station-marker.png',
+    iconSize: [20, 20],
+    iconAnchor: [10, 10],
+    popupAnchor: [0, 0],
+    
+});
+
+var active_station = L.icon({
+    iconUrl: 'static/active-station-marker.png',
+    iconSize: [20, 20],
+    iconAnchor: [10, 10],
+    popupAnchor: [0, 0],
+    
+});
+
+    var mymap = L.map('mapid').setView([0,0], 2);
+    L.tileLayer('https://api.tiles.mapbox.com/v4/{id}/{z}/{x}/{y}.png?access_token={accessToken}', {
+    attribution: 'Map data &copy; <a href="https://www.openstreetmap.org/">OpenStreetMap</a> contributors, <a href="https://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>, Imagery © <a href="https://www.mapbox.com/">Mapbox</a>',
+    maxZoom: 18,
+    id: 'mapbox.streets',
+    accessToken: 'pk.eyJ1IjoiY2hpYmlsbCIsImEiOiJjamxsNHBuZG4wdG1uM3FwYTN5c2ZubmxrIn0.ghkx6AngBzUiZQWBAWKziQ'
+}).addTo(mymap);
+
+stationList = {}
+
+{% for x in stations %}
+    marker = L.marker({{x["lat_lng"]}},{icon: station,zIndexOffset:-1000}).addTo(mymap);
+    marker.bindPopup("<b>Name: {{x['name']}}</b>")
+    stationList[{{x['id']}}] = marker
+
+{%endfor%}
+
+
+sats = {}
+
+links = {}
+
+
+    $.get("/api/occuringsats", function(data, status){
+        data = JSON.parse(data)
+        Object.keys(data).forEach(function(key){
+            marker = L.marker(data[key]["lat_lng"],{icon: sat,zIndexOffset:1000}).addTo(mymap);
+            marker.bindPopup("<b>Name: "+data[key]["name"]+"</b>");
+            sats[key] = marker;
+        });
+        });
+
+$.get("/api/satstationpairs", function(data, status){
+        data = JSON.parse(data)
+        data.forEach(function(entry){
+             var firstpolyline = new L.Polyline([[stationList[entry[0]]._latlng.lat,stationList[entry[0]]._latlng.lng],[sats[entry[1]]._latlng.lat,sats[entry[1]]._latlng.lng]], {color: 'red',weight: 3,opacity: 1,smoothFactor: 1});
+                firstpolyline.addTo(mymap)
+                firstpolyline.bringToFront()
+                links[entry[1]] = firstpolyline
+                stationList[entry[0]].setIcon(active_station)
+                stationList[entry[0]].setZIndexOffset(500)
+        });
+        });
+
+setInterval(function(){ 
+       
+        Object.keys(links).forEach(function(key){
+            links[key].removeFrom(mymap)
+            
+            delete links[key]
+        })
+
+        Object.keys(links).forEach(function(key){
+            
+            links[key].removeFrom(mymap)
+            delete links[key]
+        })
+
+        Object.keys(stationList).forEach(function(key){
+            stationList[key].setIcon(station)
+            stationList[key].setZIndexOffset(-1000)
+            
+        })
+    $.get("/api/occuringsats", function(data, status){
+        data = JSON.parse(data)
+            Object.keys(sats).forEach(function(key){
+            sats[key].removeFrom(mymap)
+            delete sats[key]
+            })
+            
+                Object.keys(data).forEach(function(key){
+                marker = L.marker(data[key]["lat_lng"],{icon: sat,zIndexOffset:1000}).addTo(mymap);
+                marker.bindPopup("<b>Name: "+data[key]["name"]+"</b>");
+                sats[key] = marker;
+            });
+            
+            
+        });
+
+        $.get("/api/satstationpairs", function(data, status){
+        data = JSON.parse(data)
+        data.forEach(function(entry){
+             var firstpolyline = new L.Polyline([[stationList[entry[0]]._latlng.lat,stationList[entry[0]]._latlng.lng],[sats[entry[1]]._latlng.lat,sats[entry[1]]._latlng.lng]], {color: 'red',weight:3,opacity:1,smoothFactor: 1});
+                firstpolyline.addTo(mymap)
+                links[entry[1]] = firstpolyline
+                stationList[entry[0]].setIcon(active_station)
+                stationList[entry[0]].setZIndexOffset(500)
+        });
+        });
+        console.log(links)
+        
+ }, 60000*2);
+
+</script>