Provided by: readsb_3.16-2_amd64 

NAME
readsb - manual page for readsb version: 3.16 compiled on 250902
SYNOPSIS
viewadsb [OPTIONS...]
DESCRIPTION
vieadsb Mode-S/ADSB/TIS commandline viewer
By default, viewadsb will TCP connect to 127.0.0.1:30005 as a data source. Typical readsb / dump1090
installs will provide beast data on port 30005.
General options:
--lat=<lat>
Reference/receiver surface latitude
--lon=<lon>
Reference/receiver surface longitude
--no-interactive
Disable interactive mode, print to stdout
--interactive-ttl=<sec>
Remove from list if idle for <sec> (default: 60)
--modeac
Enable decoding of SSR Modes 3/A & 3/C
--max-range=<dist>
Absolute maximum range for position decoding (in nm, default: 300)
--fix Enable CRC single-bit error correction (default)
--no-fix
Disable CRC single-bit error correction
--metric
Use metric units
--show-only=<addr>
Show only messages by given ICAO on stdout
--filter-DF=<type>
Only network forward and display decoded ModeS messages on stdout only show this DF type
--receiver-focus=<receiverId>
only process messages from receiverId
--cpr-focus=<hex>
show CPR details for this hex
--quiet
Disable output (default)
--debug=<flags>
Debug mode (verbose), n: network, P: CPR, S: speed check
Network options:
--net-connector=<ip,port,protocol>
Establish connection, can be specified multiple times (viewadsb default: --net-connector
127.0.0.1,30005,beast_in viewadsb first usage overrides default, second usage adds another
input/output) Protocols: beast_out, beast_reduce_out, beast_reduce_plus_out, beast_in, raw_out,
raw_in, sbs_in, sbs_in_jaero, sbs_out, sbs_out_jaero, vrs_out, json_out, gpsd_in, uat_in,
uat_replay_out, planefinder_in, asterix_in, asterix_out (one failover ip/address,port can be
specified: primary-address,primary-port,protocol,failover-address,failover-port) (any position in
the comma separated list can also be either silent_fail or uuid=<uuid>)
Help options:
--help Give this help list
--usage
Give a short usage message
Credits: antirez (original dump1090) Malcom Robb (work on his dump1090 fork) mutability (forked to
dump1090-mutability and further to dump1090-fa) Mictronics (readsb as a fork of dump1090-fa) wiedehopf
(this fork of Mictronics readsb)
REPORTING BUGS
Report bugs to Matthias Wirth <matthias.wirth@gmail.com>
readsb version: 3.16 compiled on 250902 September 2025 READSB(1)