Packet #17751586 Success

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

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17751586
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`	`1774596627.5189943` 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)	-0.136s Before	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	-0.108s Before	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	-0.096s Before	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	-0.079s Before	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	-0.060s Before	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	-0.051s Before	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	-0.035s Before	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	-0.024s Before	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	-0.011s Before	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.011s After	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.021s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.032s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.044s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.057s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.069s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.081s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.093s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.105s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.117s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.129s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.139s After	Unknown	Unknown	`e0` 4ce0	MediumFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.151s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.161s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.172s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.183s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.194s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.205s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.217s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.229s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.241s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.253s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.265s After	Unknown	Unknown	`e0` 4ce0	ShortFast	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.277s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.289s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.301s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.312s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.323s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.335s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.345s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.356s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.367s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.378s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.389s After	Unknown	Unknown	`e0` 4ce0	ShortTurbo	2026-03-27 07:30:27 UTC	View
Meshtastic 4ce0 (4ce0)	+0.399s After	Unknown	Unknown	`e0` 4ce0	LongFast	2026-03-27 07:30:27 UTC	View

45

Total Receptions

1

Unique Gateways