My tracking of nearby ADSB-out aircraft using my local AWACS server.
Being within the KIAH Mode-C ring, all planes are required to have a squawkable transponder for the primary ATC radar.
Unfortunately, most of these planes are invisible without the 1090MHz transponder which allows for a MLAT(multi-lateration)
calculation with multiple base stations. Sometimes an ADSB-IN aircraft is flying nearby which will activate
a ADSB-R (rebroadcast). The traffic within several miles and within 5000' of the aircraft will be rebroadcast meaning
that my AWACS system can now see the ground traffic at major airports as well as random signatures for the remainder of
the transponder only flights.
UAL/UA - United Airlines : 498
SWA/WN - Southwest Airlines : 397
AAL/AA - American Airlines : 245
ASH/YV - Mesa Airlines : 181
SKW/OO - SkyWest : 140
DAL/DL - Delta Air Lines : 111
UCA/C5 - CommutAir : 108
NKS/NK - Spirit Airlines : 81
ENY/MQ - Envoy Air : 54
FDX/FX - Federal Express : 43
JBU/B6 - JetBlue Airways : 38
EJA/1I - NetJets : 34
UPS/5X - United Parcel Service : 33
FFT/F9 - Frontier Airlines : 24
LXJ/ - Flexjet : 21
AMX/AM - AeroMéxico : 18
VOI/Y4 - Volaris : 17
VIV/VB - Aeroenlaces Nacionales : 14
VTM/ - Aeronaves TSM : 14
ATN/8C - Air Transport International : 13
JSX/XE - JSX : 12
JZA/QK - Air Canada Jazz : 9
AAY/G4 - Allegiant Air : 8
ASA/AS - Alaska Airlines : 8
LET/ - Aerolineas Ejecutivas : 8
SWQ/ - Swift Air (Interstate Equipment Leasing) : 8
XOJ/ - Xojet : 8
BAW/BA - British Airways : 7
EJM/ - Executive Jet Management : 7
RPA/RW - Republic Airlines : 7
UCC/ - Uganda Air Cargo : 7
XSR/ - Executive AirShare : 7
ABX/GB - ABX Air : 6
JTL/ - Jet Linx Aviation : 6
SLI/5D - AeroMexico Connect : 5
ACA/AC - Air Canada : 5
SCX/SY - Sun Country Airlines : 5
CWG/ - Wing Aviation : 5
TWY/ - Sunset Aviation, LLC : 5
AJI/ - Ameristar Jet Charter : 4
AJT/M6 - Amerijet International : 4
ANA/NH - All Nippon Airways : 4
GTI/5Y - Atlas Air : 4
SCM/ - American Jet International : 4
KLM/KL - KLM Royal Dutch Airlines : 4
CJT/W8 - Cargojet Airways : 3
DCM/ - FLTPLAN : 3
MAA/M7 - MasAir : 3
PAT/ - Department of the Army, Priority Air Transport : 3
RAX/ - Royal Air Freight : 3
THY/TK - Turkish Airlines : 3
WJA/WS - WestJet : 3
AFR/AF - Air France : 2
CYO/ - Air Transport : 2
TSC/TS - Air Transat : 2
BVN/ - Baron Aviation Services : 2
BYA/ - Berry Aviation : 2
CLX/CV - Cargolux : 2
UAE/EK - Emirates : 2
CKS/K4 - Kalitta Air : 2
KFS/ - Kalitta Charters : 2
DLH/LH - Lufthansa : 2
QTR/QR - Qatar Airways : 2
LBQ/ - Quest Diagnostics : 2
TOM/BY - Thomson Airways : 2
GAJ/ - Wheels Up - Gama Aviation : 2
EDV/9E - Endeavor Air : 2
TAI/TA - Taca International Airlines : 2
CNS/ - Cobalt Air : 2
FTH/ - Mountain Aviation : 2
TAA/ - Aeroservicios de La Costa : 1
CPA/CX - Cathay Pacific : 1
CMP/CM - Copa Airlines : 1
EMD/ - Eaglemed (Ballard Aviation) : 1
FLC/ - FINFO Flight Inspection Aircraft : 1
FLT/B5 - Flightline : 1
KAL/KE - Korean Air : 1
GEC/LH - Lufthansa Cargo : 1
OAE/OY - Omni Air International : 1
PKW/ - Sierra/Pak West Airlines : 1
SWG/WG - Sunwing Airlines : 1
JUS/U7 - USA Jet Airlines : 1
RSP/ - Jet Suite : 1
FWK/ - Flightworks : 1
FFL/ - ForeFlight : 1
CAP/ - Civil Air Patrol : 1
DPJ/ - Wheels Up Private Jets : 1
LSO/ - Lone STar Communications : 1
EDG/ - Jet Edge : 1
ACW/ - SERVICIOS AEREOS ACROSS, S.A. DE C.V. : 1
JIT/ - Jet It : 1
CNV/ - US Navy Air Logistics Office : 1
SIS/ - Scott Aviation, LLC : 1
STV/ - Saturn Aviation : 1
Since it's more expensive to add ADSB-in capability and not required by the FAA many planes don't have this.
Fortunately, using almost the same setup as my home AWACS system Stratux
can supplement your electronic flight bag. I'm currently using Avare
with the external i/o plugin to connect to the
homebuilt stratux.