Packet #17723501 Success

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

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17723501
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:	LongFast
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:	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
+ 2 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!33677c50` Node ID format
`channel_id`	`LongFast` Default public channel
`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`	`1774590614.1442022` 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
✓ Reduced position precision: ~1500.0m accuracy
✓ 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

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": "LongFast", "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	LongFast	2026-03-27 05:50:14 UTC	Current
Meshtastic 7c50 (7c50)	-0.036s Before	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	-0.012s Before	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.009s After	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.025s After	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.057s After	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.076s After	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.087s After	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.100s After	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.112s After	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.123s After	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.135s After	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.147s After	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.159s After	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.170s After	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.180s After	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.191s After	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.202s After	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.213s After	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.224s After	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.234s After	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.245s After	Unknown	Unknown	`50` 7c50	MediumFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.257s After	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.269s After	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.281s After	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.292s After	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.304s After	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.316s After	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.335s After	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.347s After	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.357s After	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.368s After	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.378s After	Unknown	Unknown	`50` 7c50	ShortFast	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.388s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.399s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.409s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.420s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.431s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.442s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.455s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.467s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.479s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.495s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.508s After	Unknown	Unknown	`50` 7c50	ShortTurbo	2026-03-27 05:50:14 UTC	View
Meshtastic 7c50 (7c50)	+0.522s After	Unknown	Unknown	`50` 7c50	LongFast	2026-03-27 05:50:14 UTC	View

45

Total Receptions

1

Unique Gateways