Packet #18440848 Success

POSITION_APP packet from Quantum 4A61 (4A61) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	18440848
Mesh Packet ID:	`0xfe8e60bd` Used for correlation across gateways
Timestamp:	2026-03-28 22:00:51 UTC
From Node:	Quantum 4A61 (4A61)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Quantum 4A61 (4A61)
Channel:	ShortFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/3 hops Start: 3, Limit: 3
Relay Node:	`7a` 4A61 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: 32 bytes

Decoded: Yes

Decoded Data:

Latitude:	43.279974°
Longitude:	-79.088845°
Altitude:	90 m
Satellites:	22
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:	32 bytes
Gateway:	!795c9e7a
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
+ 3 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!795c9e7a` Node ID format
`channel_id`	`ShortFast`
`packet`	`MeshPacket` (32 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2036113018` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`32` 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`	`1774735250` 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`	`122` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774735251.2173154` 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
✓ Reduced position precision: ~2900.0m accuracy
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers

MQTT-Specific Fields

Gateway ID:	`!795c9e7a`
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:	32 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 43.2799744, "longitude": -79.0888448, "altitude": 90, "sats_in_view": 22, "precision_bits": 13 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!795c9e7a", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2036113018, "to": 4294967295, "id": 4270743741, "rx_time": 1774735250, "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": 122, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000cc19150000dcd0185a25924fc869280258537800800100980116b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 432799744, "longitude_i": -790888448, "altitude": 90, "time": 1774735250, "location_source": "LOC_INTERNAL", "PDOP": 83, "ground_speed": 0, "ground_track": 0, "sats_in_view": 22, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (32 bytes)

0d0000cc19150000dcd0185a25924fc869280258537800800100980116b8010d

Hex Analysis:

Size:	32 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
Quantum 4A61 (4A61) Primary	0.000s Reference	Unknown	Unknown	`7a` 4A61	ShortFast	2026-03-28 22:00:51 UTC	Current
Quantum 4A61 (4A61)	-0.362s Before	Unknown	Unknown	`7a` 4A61	LongFast	2026-03-28 22:00:50 UTC	View
Quantum 4A61 (4A61)	-0.336s Before	Unknown	Unknown	`7a` 4A61	LongFast	2026-03-28 22:00:50 UTC	View
Quantum 4A61 (4A61)	-0.324s Before	Unknown	Unknown	`7a` 4A61	LongFast	2026-03-28 22:00:50 UTC	View
Quantum 4A61 (4A61)	-0.312s Before	Unknown	Unknown	`7a` 4A61	LongFast	2026-03-28 22:00:50 UTC	View
Quantum 4A61 (4A61)	-0.300s Before	Unknown	Unknown	`7a` 4A61	LongFast	2026-03-28 22:00:50 UTC	View
Quantum 4A61 (4A61)	-0.289s Before	Unknown	Unknown	`7a` 4A61	LongFast	2026-03-28 22:00:50 UTC	View
Quantum 4A61 (4A61)	-0.278s Before	Unknown	Unknown	`7a` 4A61	LongFast	2026-03-28 22:00:50 UTC	View
Quantum 4A61 (4A61)	-0.268s Before	Unknown	Unknown	`7a` 4A61	LongFast	2026-03-28 22:00:50 UTC	View
Quantum 4A61 (4A61)	-0.257s Before	Unknown	Unknown	`7a` 4A61	LongFast	2026-03-28 22:00:50 UTC	View
Quantum 4A61 (4A61)	-0.247s Before	Unknown	Unknown	`7a` 4A61	LongFast	2026-03-28 22:00:50 UTC	View
Quantum 4A61 (4A61)	-0.237s Before	Unknown	Unknown	`7a` 4A61	LongFast	2026-03-28 22:00:50 UTC	View
Quantum 4A61 (4A61)	-0.226s Before	Unknown	Unknown	`7a` 4A61	MediumFast	2026-03-28 22:00:50 UTC	View
Quantum 4A61 (4A61)	-0.215s Before	Unknown	Unknown	`7a` 4A61	MediumFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.204s Before	Unknown	Unknown	`7a` 4A61	MediumFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.192s Before	Unknown	Unknown	`7a` 4A61	MediumFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.180s Before	Unknown	Unknown	`7a` 4A61	MediumFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.169s Before	Unknown	Unknown	`7a` 4A61	MediumFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.156s Before	Unknown	Unknown	`7a` 4A61	MediumFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.145s Before	Unknown	Unknown	`7a` 4A61	MediumFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.133s Before	Unknown	Unknown	`7a` 4A61	MediumFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.122s Before	Unknown	Unknown	`7a` 4A61	MediumFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.111s Before	Unknown	Unknown	`7a` 4A61	MediumFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.100s Before	Unknown	Unknown	`7a` 4A61	ShortFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.089s Before	Unknown	Unknown	`7a` 4A61	ShortFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.079s Before	Unknown	Unknown	`7a` 4A61	ShortFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.069s Before	Unknown	Unknown	`7a` 4A61	ShortFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.058s Before	Unknown	Unknown	`7a` 4A61	ShortFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.047s Before	Unknown	Unknown	`7a` 4A61	ShortFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.036s Before	Unknown	Unknown	`7a` 4A61	ShortFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.025s Before	Unknown	Unknown	`7a` 4A61	ShortFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	-0.012s Before	Unknown	Unknown	`7a` 4A61	ShortFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	+0.012s After	Unknown	Unknown	`7a` 4A61	ShortFast	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	+0.024s After	Unknown	Unknown	`7a` 4A61	ShortTurbo	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	+0.035s After	Unknown	Unknown	`7a` 4A61	ShortTurbo	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	+0.046s After	Unknown	Unknown	`7a` 4A61	ShortTurbo	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	+0.058s After	Unknown	Unknown	`7a` 4A61	ShortTurbo	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	+0.069s After	Unknown	Unknown	`7a` 4A61	ShortTurbo	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	+0.080s After	Unknown	Unknown	`7a` 4A61	ShortTurbo	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	+0.090s After	Unknown	Unknown	`7a` 4A61	ShortTurbo	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	+0.101s After	Unknown	Unknown	`7a` 4A61	ShortTurbo	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	+0.111s After	Unknown	Unknown	`7a` 4A61	ShortTurbo	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	+0.122s After	Unknown	Unknown	`7a` 4A61	ShortTurbo	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	+0.132s After	Unknown	Unknown	`7a` 4A61	ShortTurbo	2026-03-28 22:00:51 UTC	View
Quantum 4A61 (4A61)	+0.143s After	Unknown	Unknown	`7a` 4A61	LongFast	2026-03-28 22:00:51 UTC	View
Quantum d979 (d979)	+3731.870s After	-55.0 dBm	10.25 dB	-	LongFast	2026-03-28 23:03:03 UTC	View

46

Total Receptions

2

Unique Gateways