Packet #17751577 Success

POSITION_APP packet from Meshtastic 4ce0 (4ce0) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17751577
Mesh Packet ID:	`0xf3aeda77` Used for correlation across gateways
Timestamp:	2026-03-27 07:30:27 UTC
From Node:	Meshtastic 4ce0 (4ce0)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Meshtastic 4ce0 (4ce0)
Channel:	LongFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/7 hops Start: 7, Limit: 7
Relay Node:	`e0` 4ce0 Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Payload Data

Protocol: POSITION_APP

Size: 27 bytes

Decoded: Yes

Decoded Data:

Latitude:	45.504922°
Longitude:	-73.560883°
Altitude:	27 m
Precision:	16 bits

Raw Packet Analysis

Complete field breakdown and MQTT privacy/exposure analysis

Packet Structure

MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)

Total Size:	27 bytes
Gateway:	!db294ce0
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	Unknown / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!db294ce0` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (27 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3676916960` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`27` bytes	size
`hop_limit`	`7` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	Not set	int32
`rx_snr`	Not set	float
`rx_time`	`1774596626` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	`10` Packet priority level	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`224` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774596627.3833747` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast

Privacy Features:

✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared

MQTT-Specific Fields

Gateway ID:	`!db294ce0`
Position Precision:	16 bits (~364.0m accuracy)
Position precision meters:	`364.0`
Zero Hop Policy:	Enabled Direct gateway connection

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	27 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 45.5049216, "longitude": -73.5608832, "altitude": 27, "sats_in_view": null, "precision_bits": 16 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!db294ce0", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3676916960, "to": 4294967295, "id": 4088322679, "rx_time": 1774596626, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 224, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00801f1b15008027d4181b251232c66928017800800100b80110", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 455049216, "longitude_i": -735608832, "altitude": 27, "time": 1774596626, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 16, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (27 bytes)

0d00801f1b15008027d4181b251232c66928017800800100b80110

Hex Analysis:

Size:	27 bytes
Format:	Protobuf (Protocol Buffers)
Encoding:	Binary with varint and length-delimited fields

This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.

All Receptions

All gateways that received this packet
Correlation: Using Mesh Packet ID

Reception Locations

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.

Gateway	Time Offset	RSSI	SNR	Relay	Channel	Timestamp	Actions
Meshtastic 4ce0 (4ce0) Primary	0.000s Reference	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	Current
Meshtastic 4ce0 (4ce0)	+0.028s After	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.040s After	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.056s After	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.076s After	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.085s After	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.101s After	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.111s After	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.125s After	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.136s After	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.146s After	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.157s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.168s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.180s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.192s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.205s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.217s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.228s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.241s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.252s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.264s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.275s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.286s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.297s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.308s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.319s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.330s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.341s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.352s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.364s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.376s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.388s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.400s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.412s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.425s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.436s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.448s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.459s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.470s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.481s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.492s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.503s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.514s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.525s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.535s After	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View

45

Total Receptions

1

Unique Gateways