Packet #17726046 Success

POSITION_APP packet from SandVerdun (SVer) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17726046
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`	`1774591175.4624565` 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)	-0.613s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.602s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.583s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.561s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.540s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.519s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.506s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.493s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.480s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:34 UTC	View
SandVerdun (SVer)	-0.458s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	-0.443s Before	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	-0.428s Before	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	-0.415s Before	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	-0.399s Before	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	-0.385s Before	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	-0.370s Before	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.016s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.042s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.057s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.072s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.084s After	Unknown	Unknown	`08` SVer	MediumFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.097s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.109s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.122s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.141s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.152s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.162s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.173s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.184s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.194s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.205s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.217s After	Unknown	Unknown	`08` SVer	ShortFast	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.229s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.242s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.253s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.265s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.277s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.293s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.312s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.323s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.334s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.345s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.355s After	Unknown	Unknown	`08` SVer	ShortTurbo	2026-03-27 05:59:35 UTC	View
SandVerdun (SVer)	+0.366s After	Unknown	Unknown	`08` SVer	LongFast	2026-03-27 05:59:35 UTC	View

45

Total Receptions

1

Unique Gateways