Packet #17656580 Success

POSITION_APP packet from VE3RRD - Barrie (rrd1) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17656580
Mesh Packet ID:	`0x22d5f40c` Used for correlation across gateways
Timestamp:	2026-03-27 02:04:07 UTC
From Node:	VE3RRD - Barrie (rrd1)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	VE3RRD - Barrie (rrd1)
Channel:	ShortTurbo
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/3 hops Start: 3, Limit: 3
Relay Node:	`a0` rrd1 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: 28 bytes

Decoded: Yes

Decoded Data:

Latitude:	44.411830°
Longitude:	-79.699130°
Altitude:	230 m
Precision:	32 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:	28 bytes
Gateway:	!6c7401a0
Channel:	ShortTurbo
Payload Type:	POSITION_APP
Hop Count:	Unknown / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 2 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!6c7401a0` Node ID format
`channel_id`	`ShortTurbo`
`packet`	`MeshPacket` (28 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1819541920` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`28` 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`	`1774577046` 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`	`160` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774577047.6888466` 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)
✓ Custom channel: ShortTurbo
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared

MQTT-Specific Fields

Gateway ID:	`!6c7401a0`
Position Precision:	32 bits (~1.0m accuracy)
Position precision meters:	`1.0`
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:	28 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 44.4118299, "longitude": -79.69913, "altitude": 230, "sats_in_view": null, "precision_bits": 32 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!6c7401a0", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1819541920, "to": 4294967295, "id": 584446988, "rx_time": 1774577046, "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": 160, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d1bb5781a15bce07ed018e6012596e5c56928017800800100b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 444118299, "longitude_i": -796991300, "altitude": 230, "time": 1774577046, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (28 bytes)

0d1bb5781a15bce07ed018e6012596e5c56928017800800100b80120

Hex Analysis:

Size:	28 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
VE3RRD - Barrie (rrd1) Primary	0.000s Reference	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	Current
VE3RRD - Barrie (rrd1)	-0.440s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.429s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.418s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.408s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.396s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.384s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.372s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.360s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.349s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.337s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.325s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.314s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.303s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.292s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.282s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.271s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.260s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.246s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.231s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.219s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.208s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.196s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.184s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.172s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.161s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.149s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.137s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.125s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.114s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.102s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.091s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.081s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.070s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.057s Before	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.046s Before	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.035s Before	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.024s Before	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.012s Before	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	+0.012s After	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	+0.024s After	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	+0.035s After	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	+0.047s After	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	+0.059s After	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	+0.070s After	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View

45

Total Receptions

1

Unique Gateways