Packet #17726041 Success

POSITION_APP packet from SandVerdun (SVer) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17726041
Mesh Packet ID:	`0x4e8eca6e` Used for correlation across gateways
Timestamp:	2026-03-27 05:59:35 UTC
From Node:	SandVerdun (SVer)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	SandVerdun (SVer)
Channel:	MediumFast
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/3 hops Start: 3, Limit: 3
Relay Node:	`08` SVer 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: 27 bytes

Decoded: Yes

Decoded Data:

Latitude:	45.481984°
Longitude:	-73.583821°
Altitude:	19 m
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:	27 bytes
Gateway:	!e2e53c08
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`	`!e2e53c08` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (27 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3806673928` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`27` 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`	`1774591173` 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`	`8` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774591175.0341053` 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: ~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:	`!e2e53c08`
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:	27 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 45.481984, "longitude": -73.5838208, "altitude": 19, "sats_in_view": null, "precision_bits": 13 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!e2e53c08", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3806673928, "to": 4294967295, "id": 1317980782, "rx_time": 1774591173, "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": 8, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00001c1b15000024d4181325c51cc66928017800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 454819840, "longitude_i": -735838208, "altitude": 19, "time": 1774591173, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (27 bytes)

0d00001c1b15000024d4181325c51cc66928017800800100b8010d

Hex Analysis:

Size:	27 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
SandVerdun (SVer) Primary	0.000s Reference	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	Current
SandVerdun (SVer)	-0.185s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.173s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.155s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.133s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.112s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.091s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.078s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.065s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.052s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.029s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	-0.015s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.014s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.029s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.044s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.058s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.428s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.444s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.470s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.485s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.500s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.512s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.525s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.538s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.551s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.570s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.580s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.591s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.602s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.612s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.622s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.634s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.646s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.658s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.670s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.682s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.693s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.705s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.722s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.740s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.751s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.762s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.773s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.784s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.795s After	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:35 UTC	View

45

Total Receptions

1

Unique Gateways