Packet #40002223 Success

POSITION_APP packet from GGR to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	40002223
Mesh Packet ID:	`0xa20a207e` Used for correlation across gateways
Timestamp:	2026-05-17 12:41:00 UTC
From Node:	GGR (f8e4)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	GGR (f8e4)
Channel:	LongFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/3 hops Start: 3, Limit: 3
Relay Node:	`e4` GGR 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:	45.546386°
Longitude:	-73.718804°
Altitude:	32 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:	27 bytes
Gateway:	!6962f8e4
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
+ 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`	`!6962f8e4` 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`	`1768093924` 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`	`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`	`1779021659` 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`	`228` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1779021660.9913542` 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:	`!6962f8e4`
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:	27 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 45.5463861, "longitude": -73.7188044, "altitude": 32, "sats_in_view": null, "precision_bits": 32 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!6962f8e4", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1768093924, "to": 4294967295, "id": 2718572670, "rx_time": 1779021659, "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": 228, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0db5d3251b1534670fd41820255bb7096a28017800800100b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 455463861, "longitude_i": -737188044, "altitude": 32, "time": 1779021659, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (27 bytes)

0db5d3251b1534670fd41820255bb7096a28017800800100b80120

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
GGR (f8e4) Primary	0.000s Reference	Unknown	Unknown	`e4` GGR	LongFast	2026-05-17 12:41:00 UTC	Current
GGR (f8e4)	-0.648s Before	Unknown	Unknown	`e4` GGR	LongFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.613s Before	Unknown	Unknown	`e4` GGR	LongFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.601s Before	Unknown	Unknown	`e4` GGR	LongFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.588s Before	Unknown	Unknown	`e4` GGR	LongFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.575s Before	Unknown	Unknown	`e4` GGR	LongFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.563s Before	Unknown	Unknown	`e4` GGR	LongFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.551s Before	Unknown	Unknown	`e4` GGR	LongFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.540s Before	Unknown	Unknown	`e4` GGR	LongFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.528s Before	Unknown	Unknown	`e4` GGR	LongFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.517s Before	Unknown	Unknown	`e4` GGR	LongFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.505s Before	Unknown	Unknown	`e4` GGR	LongFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.494s Before	Unknown	Unknown	`e4` GGR	MediumFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.482s Before	Unknown	Unknown	`e4` GGR	MediumFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.471s Before	Unknown	Unknown	`e4` GGR	MediumFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.459s Before	Unknown	Unknown	`e4` GGR	MediumFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.431s Before	Unknown	Unknown	`e4` GGR	MediumFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.413s Before	Unknown	Unknown	`e4` GGR	MediumFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.393s Before	Unknown	Unknown	`e4` GGR	MediumFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.373s Before	Unknown	Unknown	`e4` GGR	MediumFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.355s Before	Unknown	Unknown	`e4` GGR	MediumFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.344s Before	Unknown	Unknown	`e4` GGR	MediumFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.333s Before	Unknown	Unknown	`e4` GGR	MediumFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.321s Before	Unknown	Unknown	`e4` GGR	ShortFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.309s Before	Unknown	Unknown	`e4` GGR	ShortFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.298s Before	Unknown	Unknown	`e4` GGR	ShortFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.286s Before	Unknown	Unknown	`e4` GGR	ShortFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.275s Before	Unknown	Unknown	`e4` GGR	ShortFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.263s Before	Unknown	Unknown	`e4` GGR	ShortFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.242s Before	Unknown	Unknown	`e4` GGR	ShortFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.220s Before	Unknown	Unknown	`e4` GGR	ShortFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.199s Before	Unknown	Unknown	`e4` GGR	ShortFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.188s Before	Unknown	Unknown	`e4` GGR	ShortFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.170s Before	Unknown	Unknown	`e4` GGR	ShortFast	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.151s Before	Unknown	Unknown	`e4` GGR	ShortTurbo	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.135s Before	Unknown	Unknown	`e4` GGR	ShortTurbo	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.124s Before	Unknown	Unknown	`e4` GGR	ShortTurbo	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.112s Before	Unknown	Unknown	`e4` GGR	ShortTurbo	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.101s Before	Unknown	Unknown	`e4` GGR	ShortTurbo	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.090s Before	Unknown	Unknown	`e4` GGR	ShortTurbo	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.073s Before	Unknown	Unknown	`e4` GGR	ShortTurbo	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.055s Before	Unknown	Unknown	`e4` GGR	ShortTurbo	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.037s Before	Unknown	Unknown	`e4` GGR	ShortTurbo	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.025s Before	Unknown	Unknown	`e4` GGR	ShortTurbo	2026-05-17 12:41:00 UTC	View
GGR (f8e4)	-0.012s Before	Unknown	Unknown	`e4` GGR	ShortTurbo	2026-05-17 12:41:00 UTC	View

45

Total Receptions

1

Unique Gateways