Packet #18783801 Success

POSITION_APP packet from Short deck (sdec) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	18783801
Mesh Packet ID:	`0xf28334d0` Used for correlation across gateways
Timestamp:	2026-03-29 17:51:50 UTC
From Node:	Short deck (sdec)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Short deck (sdec)
Channel:	LongFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/3 hops Start: 3, Limit: 3
Relay Node:	`64` sdec 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: 37 bytes

Decoded: Yes

Decoded Data:

Latitude:	46.320845°
Longitude:	-79.508275°
Altitude:	212 m
Satellites:	12
Precision:	13 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:	37 bytes
Gateway:	!f1bcfa64
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	Unknown / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 2 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!f1bcfa64` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (37 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`4055693924` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`37` bytes	size
`hop_limit`	`3` Remaining hops allowed	uint32
`hop_start`	`3` 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`	`1774806709` 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`	`100` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774806710.01996` 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
✓ Reduced position precision: ~2900.0m accuracy
✓ 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

MQTT-Specific Fields

Gateway ID:	`!f1bcfa64`
Position Precision:	13 bits (~2900.0m accuracy)
Position precision meters:	`2900.0`
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:	37 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 46.3208448, "longitude": -79.5082752, "altitude": 212, "sats_in_view": 12, "precision_bits": 13 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!f1bcfa64", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4055693924, "to": 4294967295, "id": 4068685008, "rx_time": 1774806709, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 100, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00009c1b1500009cd018d40125b566c9692802588d017800800198df8d0c98010cb8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 463208448, "longitude_i": -795082752, "altitude": 212, "time": 1774806709, "location_source": "LOC_INTERNAL", "PDOP": 141, "ground_speed": 0, "ground_track": 25391000, "sats_in_view": 12, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (37 bytes)

0d00009c1b1500009cd018d40125b566c9692802588d017800800198df8d0c98010cb8010d

Hex Analysis:

Size:	37 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
Short deck (sdec) Primary	0.000s Reference	Unknown	Unknown	`64` sdec	LongFast	2026-03-29 17:51:50 UTC	Current
Short deck (sdec)	-0.089s Before	Unknown	Unknown	`64` sdec	LongFast	2026-03-29 17:51:49 UTC	View
Short deck (sdec)	-0.056s Before	Unknown	Unknown	`64` sdec	LongFast	2026-03-29 17:51:49 UTC	View
Short deck (sdec)	-0.020s Before	Unknown	Unknown	`64` sdec	LongFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.026s After	Unknown	Unknown	`64` sdec	LongFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.043s After	Unknown	Unknown	`64` sdec	LongFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.067s After	Unknown	Unknown	`64` sdec	LongFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.087s After	Unknown	Unknown	`64` sdec	LongFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.107s After	Unknown	Unknown	`64` sdec	LongFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.127s After	Unknown	Unknown	`64` sdec	LongFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.146s After	Unknown	Unknown	`64` sdec	LongFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.164s After	Unknown	Unknown	`64` sdec	MediumFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.182s After	Unknown	Unknown	`64` sdec	MediumFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.200s After	Unknown	Unknown	`64` sdec	MediumFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.227s After	Unknown	Unknown	`64` sdec	MediumFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.267s After	Unknown	Unknown	`64` sdec	MediumFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.287s After	Unknown	Unknown	`64` sdec	MediumFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.312s After	Unknown	Unknown	`64` sdec	MediumFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.344s After	Unknown	Unknown	`64` sdec	MediumFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.354s After	Unknown	Unknown	`64` sdec	MediumFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.376s After	Unknown	Unknown	`64` sdec	MediumFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.386s After	Unknown	Unknown	`64` sdec	MediumFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.397s After	Unknown	Unknown	`64` sdec	ShortFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.409s After	Unknown	Unknown	`64` sdec	ShortFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.420s After	Unknown	Unknown	`64` sdec	ShortFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.432s After	Unknown	Unknown	`64` sdec	ShortFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.443s After	Unknown	Unknown	`64` sdec	ShortFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.454s After	Unknown	Unknown	`64` sdec	ShortFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.465s After	Unknown	Unknown	`64` sdec	ShortFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.476s After	Unknown	Unknown	`64` sdec	ShortFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.486s After	Unknown	Unknown	`64` sdec	ShortFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.496s After	Unknown	Unknown	`64` sdec	ShortFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.506s After	Unknown	Unknown	`64` sdec	ShortFast	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.517s After	Unknown	Unknown	`64` sdec	ShortTurbo	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.527s After	Unknown	Unknown	`64` sdec	ShortTurbo	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.537s After	Unknown	Unknown	`64` sdec	ShortTurbo	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.548s After	Unknown	Unknown	`64` sdec	ShortTurbo	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.558s After	Unknown	Unknown	`64` sdec	ShortTurbo	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.570s After	Unknown	Unknown	`64` sdec	ShortTurbo	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.582s After	Unknown	Unknown	`64` sdec	ShortTurbo	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.594s After	Unknown	Unknown	`64` sdec	ShortTurbo	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.606s After	Unknown	Unknown	`64` sdec	ShortTurbo	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.617s After	Unknown	Unknown	`64` sdec	ShortTurbo	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.629s After	Unknown	Unknown	`64` sdec	ShortTurbo	2026-03-29 17:51:50 UTC	View
Short deck (sdec)	+0.640s After	Unknown	Unknown	`64` sdec	LongFast	2026-03-29 17:51:50 UTC	View

45

Total Receptions

1

Unique Gateways