Packet #17656573 Success

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

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17656573
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:	ShortFast
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:	ShortFast
Payload Type:	POSITION_APP
Hop Count:	Unknown / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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`	`ShortFast`
`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`	`1774577047.6081574` 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: ShortFast
✓ 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": "ShortFast", "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	ShortFast	2026-03-27 02:04:07 UTC	Current
VE3RRD - Barrie (rrd1)	-0.359s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.348s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.338s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.327s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.315s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.303s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.291s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.279s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.268s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.257s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.245s Before	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.233s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.222s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.211s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.201s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.190s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.180s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.165s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.150s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.139s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.127s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.115s Before	Unknown	Unknown	`a0` rrd1	MediumFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.104s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.092s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.080s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.068s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.057s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.044s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.034s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.021s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	-0.011s Before	Unknown	Unknown	`a0` rrd1	ShortFast	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	+0.011s After	Unknown	Unknown	`a0` rrd1	ShortFast	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)	+0.045s After	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	+0.057s After	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	+0.069s After	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	+0.081s After	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	+0.093s After	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	+0.104s After	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	+0.116s After	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	+0.128s After	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	+0.140s After	Unknown	Unknown	`a0` rrd1	ShortTurbo	2026-03-27 02:04:07 UTC	View
VE3RRD - Barrie (rrd1)	+0.151s After	Unknown	Unknown	`a0` rrd1	LongFast	2026-03-27 02:04:07 UTC	View

45

Total Receptions

1

Unique Gateways