<s>
AirNav	B-Application
Systems	I-Application
is	O
a	O
Tampa-based	O
global	O
flight	O
tracking	O
and	O
data	O
services	O
company	O
founded	O
in	O
2001	O
.	O
</s>
<s>
The	O
company	O
operates	O
a	O
flight	O
tracking	O
website	O
and	O
mobile	B-Application
app	I-Application
called	O
Radarbox	B-Application
which	O
offers	O
worldwide	O
tracking	O
of	O
commercial	O
and	O
general	O
aviation	O
flights	O
.	O
</s>
<s>
AirNav	B-Application
Systems	I-Application
also	O
owns	O
and	O
operates	O
a	O
ground-based	O
ADS-B	B-Application
tracking	O
network	O
that	O
is	O
supported	O
by	O
over	O
20,000	O
active	O
volunteer	O
ADS-B	B-Application
data	O
feeders	O
from	O
over	O
180	O
countries	O
.	O
</s>
<s>
In	O
1996	O
,	O
while	O
studying	O
computer	B-General_Concept
science	I-General_Concept
at	O
university	O
,	O
CEO	O
,	O
Andre	O
Brandao	O
developed	O
a	O
flight	O
tracking	O
application	O
called	O
AirNav	O
Suite	O
.	O
</s>
<s>
In	O
2001	O
he	O
established	O
AirNav	B-Application
Systems	I-Application
.	O
</s>
<s>
In	O
early	O
2020	O
,	O
AirNav	B-Application
Systems	I-Application
announced	O
a	O
partnership	O
with	O
venture	O
capital	O
firm	O
BrightCap	O
Ventures	O
.	O
</s>
<s>
In	O
October	O
2020	O
,	O
Satellite-based	O
ADS-B	B-Application
data	O
was	O
made	O
available	O
to	O
all	O
Radarbox	B-Application
users	O
for	O
free	O
.	O
</s>
<s>
AirNav	B-Application
Systems	I-Application
currently	O
partners	O
with	O
multiple	O
satellite	B-Application
providers	O
including	O
Spire	O
Aviation	O
to	O
provide	O
satellite-based	B-Application
tracking	I-Application
on	O
its	O
platform	O
.	O
</s>
<s>
AirNav	B-Application
Systems	I-Application
is	O
the	O
parent	O
company	O
of	O
Radarbox	B-Application
which	O
displays	O
flight	O
data	O
in	O
real-time	O
from	O
all	O
over	O
the	O
world	O
.	O
</s>
<s>
Radarbox	B-Application
aggregates	O
data	O
from	O
10	O
different	O
sources	O
:	O
</s>
<s>
ADS-B	B-Application
(	O
Ground-based	O
)	O
:	O
The	O
source	O
of	O
this	O
data	O
are	O
terrestrial	O
ADS-B	B-Application
receivers	O
,	O
which	O
receive	O
and	O
collect	O
data	O
from	O
the	O
transponders	O
of	O
aircraft	O
flying	O
within	O
the	O
ADS-B	B-Application
receivers’	O
range	O
.	O
</s>
<s>
The	O
data	O
gathered	O
by	O
these	O
terrestrial	O
ADS-B	B-Application
receivers	O
include	O
,	O
aircraft	O
speed	O
,	O
position	O
,	O
registration	O
information	O
and	O
other	O
data	O
.	O
</s>
<s>
These	O
ADS-B	B-Application
receivers	O
usually	O
operate	O
at	O
1090MHz	O
.	O
</s>
<s>
Radarbox	B-Application
also	O
receives	O
flight	O
data	O
from	O
UAT	O
978MHz	O
as	O
well	O
.	O
</s>
<s>
ADS-B	B-Application
(	O
Satellite-based	O
)	O
:	O
Aircraft	O
transponder	O
data	O
is	O
collected	O
by	O
Satellites	B-Application
equipped	O
with	O
ADS-B	B-Application
receivers	O
.	O
</s>
<s>
This	O
data	O
source	O
allows	O
for	O
tracking	O
of	O
aircraft	O
that	O
are	O
not	O
equipped	O
with	O
ADS-B	B-Application
transponders	O
.	O
</s>
<s>
HFDL	O
:	O
These	O
position	O
reports	O
are	O
received	O
from	O
a	O
High	O
Frequency	O
Data	O
Link	O
system	O
,	O
where	O
air	B-Application
traffic	I-Application
controllers	O
can	O
communicate	O
with	O
pilots	O
over	O
a	O
datalink	O
connection	O
.	O
</s>
<s>
ASDE-X	O
:	O
Data	O
from	O
ASDE-X	O
is	O
received	O
from	O
a	O
surface	O
movement	O
radar	O
located	O
in	O
an	O
airport	O
's	O
ATC	B-Application
Tower	O
or	O
remote	O
tower	O
,	O
multilateration	O
sensors	O
,	O
ADS-B	B-Application
sensors	O
,	O
terminal	O
radars	O
,	O
the	O
terminal	O
automation	O
system	O
,	O
and	O
from	O
aircraft	O
transponders	O
.	O
</s>
<s>
The	O
Radarbox	B-Application
website	O
is	O
a	O
platform	O
that	O
provides	O
flight	O
tracking	O
information	O
of	O
general	O
aviation	O
and	O
commercial	O
flights	O
.	O
</s>
<s>
The	O
Radarbox	B-Application
app	O
is	O
available	O
for	O
both	O
Android	B-Application
on	O
the	O
Google	B-Application
Play	I-Application
Store	I-Application
&	O
iOS	B-Application
on	O
the	O
App	B-Application
Store	I-Application
.	O
</s>
<s>
The	O
Radarbox	B-Application
Fleet	O
Tracker	O
is	O
tracking	O
solution	O
designed	O
for	O
fleet	O
managers	O
&	O
owners	O
to	O
monitor	O
and	O
better	O
manage	O
their	O
fleet	O
of	O
aircraft	O
.	O
</s>
<s>
It	O
is	O
an	O
excellent	O
secondary	O
tracking	O
resource	O
for	O
Air	B-Application
Traffic	I-Application
Controllers	O
and	O
plane	O
spotters	O
.	O
</s>
<s>
Movement	O
Statistics	O
display	O
the	O
total	O
aircraft	B-Application
traffic	I-Application
(	O
arrivals	O
&	O
departures	O
)	O
at	O
a	O
particular	O
airport	O
for	O
each	O
day	O
for	O
up	O
to	O
31	O
days	O
.	O
</s>
<s>
The	O
Radarbox	B-Application
real-time	O
statistics	O
page	O
contains	O
a	O
large	O
volume	O
of	O
flight	O
data	O
from	O
flights	O
tracked	O
daily	O
.	O
</s>
<s>
The	O
On	O
Demand	O
API	B-General_Concept
is	O
Radarbox	B-Application
's	O
credit-per-query	O
API	B-General_Concept
solution	O
that	O
allows	O
client	O
applications	O
access	O
to	O
both	O
real-time	O
and	O
historical	O
flight	O
data	O
on	O
an	O
as-needed	O
basis	O
.	O
</s>
<s>
This	O
data	O
is	O
aggregated	O
and	O
delivered	O
by	O
AirNav	O
's	O
ground	O
and	O
satellite-based	O
ADS-B	B-Application
network	O
.	O
</s>
<s>
Real-time	O
data	O
is	O
sent	O
via	O
a	O
secure	O
TCP	B-Protocol
web	O
socket	O
connection	O
,	O
while	O
historic	O
flight	O
tracking	O
data	O
is	O
made	O
available	O
via	O
a	O
download	O
link	O
.	O
</s>
<s>
Firehose	O
API	B-General_Concept
is	O
Radarbox	B-Application
's	O
enterprise	O
level	O
,	O
data	O
stream	O
API	B-General_Concept
solution	O
that	O
includes	O
over	O
70	O
data	O
fields	O
such	O
as	O
Flight	O
Number	O
,	O
Call	O
sign	O
,	O
Speed	O
,	O
Altitude	O
,	O
Registration	O
,	O
Scheduled	O
and	O
Actual	O
Departure	O
/	O
Arrival	O
Times	O
,	O
among	O
other	O
data	O
fields	O
.	O
</s>
<s>
This	O
data	O
is	O
available	O
in	O
JSON	B-General_Concept
,	O
XML	B-Protocol
and	O
CSV	O
formats	O
.	O
</s>
