Packet #17723536 Success

POSITION_APP packet from Meshtastic 7c50 (7c50) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17723536
Mesh Packet ID:	`0x15ed48bb` Used for correlation across gateways
Timestamp:	2026-03-27 05:50:14 UTC
From Node:	Meshtastic 7c50 (7c50)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Meshtastic 7c50 (7c50)
Channel:	ShortTurbo
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/3 hops Start: 3, Limit: 3
Relay Node:	`50` 7c50 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:	43.529011°
Longitude:	-80.386458°
Altitude:	337 m
Precision:	14 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:	!33677c50
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
+ 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`	`!33677c50` 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`	`862420048` 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`	`1774590612` 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`	`80` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774590614.5749233` 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
✓ Reduced position precision: ~1500.0m 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:	`!33677c50`
Position Precision:	14 bits (~1500.0m accuracy)
Position precision meters:	`1500.0`
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": 43.5290112, "longitude": -80.3864576, "altitude": 337, "sats_in_view": null, "precision_bits": 14 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!33677c50", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 862420048, "to": 4294967295, "id": 367872187, "rx_time": 1774590612, "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": 80, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000f21915000016d018d10225941ac66928017800800100b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 435290112, "longitude_i": -803864576, "altitude": 337, "time": 1774590612, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (28 bytes)

0d0000f21915000016d018d10225941ac66928017800800100b8010e

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
Meshtastic 7c50 (7c50) Primary	0.000s Reference	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	Current
Meshtastic 7c50 (7c50)	-0.466s Before	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.442s Before	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.431s Before	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.422s Before	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.405s Before	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.374s Before	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.355s Before	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.343s Before	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.331s Before	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.319s Before	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.308s Before	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.295s Before	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.284s Before	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.272s Before	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.261s Before	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.250s Before	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.239s Before	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.228s Before	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.218s Before	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.207s Before	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.197s Before	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.186s Before	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.174s Before	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.162s Before	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.150s Before	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.138s Before	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.127s Before	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.115s Before	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.096s Before	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.084s Before	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.073s Before	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.063s Before	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.053s Before	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.042s Before	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.032s Before	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.021s Before	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.011s Before	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.012s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.024s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.036s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.048s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.064s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.078s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.091s After	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View

45

Total Receptions

1

Unique Gateways