Packet #39467200 Success

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

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39467200
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:	MediumFast
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:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	Unknown / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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`	`!da5ed158` Node ID format
`channel_id`	`MediumFast`
`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`	`1778913320.442631` 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: MediumFast
✓ 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:	`!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": "MediumFast", "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	MediumFast	2026-05-16 06:35:20 UTC	Current
VE1EJB-0 (d158)	-0.136s Before	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	-0.112s Before	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	-0.100s Before	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	-0.089s Before	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	-0.077s Before	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	-0.066s Before	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	-0.055s Before	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	-0.044s Before	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	-0.033s Before	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	-0.022s Before	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	-0.011s Before	Unknown	Unknown	`58` d158	LongFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.011s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.022s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.034s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.046s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.058s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.070s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.082s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.094s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.106s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.117s After	Unknown	Unknown	`58` d158	MediumFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.128s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.139s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.150s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.161s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.172s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.183s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.193s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.204s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.216s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.229s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.241s After	Unknown	Unknown	`58` d158	ShortFast	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.278s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.290s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.302s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.314s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.325s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.336s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.347s After	Unknown	Unknown	`58` d158	ShortTurbo	2026-05-16 06:35:20 UTC	View
VE1EJB-0 (d158)	+0.358s 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	LongFast	2026-05-16 06:35:20 UTC	View

45

Total Receptions

1

Unique Gateways