Packet #17726042 Success

POSITION_APP packet from SandVerdun (SVer) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17726042
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`	`1774591175.0478387` 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)	-0.199s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.187s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.169s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.147s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.126s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.105s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.092s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.079s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.066s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.043s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	-0.028s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	-0.014s Before	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.015s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.030s 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)	+0.415s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.430s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.457s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.471s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.486s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.499s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.511s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.524s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.537s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.556s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.566s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.577s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.588s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.598s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.609s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.620s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.632s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.644s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.656s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.668s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.679s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.692s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.708s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.727s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.738s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.748s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.759s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.770s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.781s After	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:35 UTC	View

45

Total Receptions

1

Unique Gateways