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ShortACAS: hasVerticalResolutionCapability/hasHorizontalResolutionCapability return null instead of false for RI=2 (resolution capability inhibited)

Status: Open.

#130 In SeRoSystems/lib1090;

· willi-werner opened on Aug 13, 2026

ExtendedSquitter rejects CF=4 (valid, used by ManagementMessage) instead of CF=3 (reserved)

bugSomething isn't workingSomething isn't working

in progressCurrently in progressCurrently in progress

Status: Open.

#129 In SeRoSystems/lib1090;

· willi-werner opened on Aug 13, 2026

Altitude.decode12BitAltitude() does not special-case the all-zero "altitude not available" encoding

bugSomething isn't workingSomething isn't working

in progressCurrently in progressCurrently in progress

Status: Open.

#128 In SeRoSystems/lib1090;

· willi-werner opened on Aug 13, 2026

SurfaceOperationalStatusV3Msg (adsr): hasReceivingATCServices() decodes ME bit 29, which ED-102B redefines as Mode S Reply Rate Limiting Status

bugSomething isn't workingSomething isn't working

in progressCurrently in progressCurrently in progress

Status: Open.

#126 In SeRoSystems/lib1090;

· willi-werner opened on Aug 13, 2026

SurfaceOperationalStatusV3Msg (adsr): hasPositionOffsetApplied tests the full 8-bit GPS Antenna Offset byte instead of the POA subfield

bugSomething isn't workingSomething isn't working

in progressCurrently in progressCurrently in progress

Status: Open.

#125 In SeRoSystems/lib1090;

· willi-werner opened on Aug 13, 2026

SurfaceOperationalStatusV3Msg (adsr): reserved-bit check omits ME bit 11

bugSomething isn't workingSomething isn't working

in progressCurrently in progressCurrently in progress

Status: Open.

#124 In SeRoSystems/lib1090;

· willi-werner opened on Aug 13, 2026

SurfaceOperationalStatusV3Msg (adsr): OM Format reserved-bit check (0xC000) rejects valid Transponder Antenna Offset messages

bugSomething isn't workingSomething isn't working

in progressCurrently in progressCurrently in progress

Status: Open.

#123 In SeRoSystems/lib1090;

· willi-werner opened on Aug 13, 2026

AirbornePositionV2Msg (adsr): getNIC/getHorizontalContainmentRadiusLimit wrongly group TYPE Codes 20/21 with 9/10 instead of NIC Supplement-D

Status: Open.

#118 In SeRoSystems/lib1090;

· willi-werner opened on Aug 13, 2026

OperationalStatusV0Msg: hasOperationalTCAS/hasOperationalCDTI read wrong bits, valid CC-4 codes rejected

bugSomething isn't workingSomething isn't working

in progressCurrently in progressCurrently in progress

Status: Open.

#114 In SeRoSystems/lib1090;

· willi-werner opened on Aug 13, 2026

AirborneOperationalStatusV2V3Msg.getGeometricVerticalAccuracy(): GVA=3 (<=10m, best accuracy) reported as unknown (-1)

Status: Open.

#113 In SeRoSystems/lib1090;

· willi-werner opened on Aug 13, 2026

OperationalStatusMsg.getMOPSVersion(): javadoc wrongly lists version 3 (DO-260C/ED-102B) as reserved

Status: Open.

#112 In SeRoSystems/lib1090;

· willi-werner opened on Aug 13, 2026

SurfacePositionMsg.getSIL(): TYPE Code 8 wrongly returns SIL=2 instead of 0 (TABLE 2-304)

Status: Open.

#110 In SeRoSystems/lib1090;

· willi-werner opened on Aug 13, 2026