Packet #39467194 Success

POSITION_APP packet from VE1EJB-0 (d158) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39467194
Mesh Packet ID:	`0x952e084b` Used for correlation across gateways
Timestamp:	2026-05-16 06:35:20 UTC
From Node:	VE1EJB-0 (d158)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	VE1EJB-0 (d158)
Channel:	LongFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/3 hops Start: 3, Limit: 3
Relay Node:	`58` d158 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: 30 bytes

Decoded: Yes

Decoded Data:

Latitude:	44.420301°
Longitude:	-64.526746°
Altitude:	44 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:	30 bytes
Gateway:	!da5ed158
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`	`!da5ed158` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (30 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3663647064` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`30` 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`	`1778913311` 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`	`88` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778913320.37713` 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:	`!da5ed158`
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:	30 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 44.4203008, "longitude": -64.5267456, "altitude": 44, "sats_in_view": null, "precision_bits": 14 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!da5ed158", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3663647064, "to": 4294967295, "id": 2502821963, "rx_time": 1778913311, "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": 88, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00007a1a1500008ad9182c251f10086a28017800800100b00116b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 444203008, "longitude_i": -645267456, "altitude": 44, "time": 1778913311, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "seq_number": 22, "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (30 bytes)

0d00007a1a1500008ad9182c251f10086a28017800800100b00116b8010e

Hex Analysis:

Size:	30 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
VE1EJB-0 (d158) Primary	0.000s Reference	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	Current
VE1EJB-0 (d158)	-0.071s Before	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	-0.047s Before	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	-0.035s Before	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	-0.023s Before	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	-0.012s Before	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.011s After	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.022s After	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.033s After	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.044s After	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.055s After	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.066s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.076s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.087s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.099s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.111s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.124s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.136s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.148s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.160s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.171s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.183s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.194s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.205s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.215s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.226s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.237s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.248s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.259s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.270s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.282s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.295s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.306s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.343s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.355s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.368s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.379s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.390s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.401s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.412s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.423s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.434s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.445s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.456s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.467s After	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View

45

Total Receptions

1

Unique Gateways