Packet #17714501 Success

POSITION_APP packet from Crestwood (Crst) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17714501
Mesh Packet ID:	`0x037bfb3d` Used for correlation across gateways
Timestamp:	2026-03-27 05:19:38 UTC
From Node:	Crestwood (Crst)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Crestwood (Crst)
Channel:	ShortTurbo
RSSI:	Unknown
SNR:	Unknown
Hop Info:	0/3 hops Start: 3, Limit: 3
Relay Node:	None

Payload Data

Protocol: POSITION_APP

Size: 23 bytes

Decoded: Yes

Decoded Data:

Latitude:	42.950268°
Longitude:	-81.316964°
Altitude:	300 m
Precision:	32 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:	23 bytes
Gateway:	!433c6b10
Channel:	ShortTurbo
Payload Type:	POSITION_APP
Hop Count:	Unknown / 3

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 2 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!433c6b10` Node ID format
`channel_id`	`ShortTurbo`
`packet`	`MeshPacket` (23 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1128033040` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`23` 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`	`1774588777` 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`	Not set	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774588778.1521647` 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: ShortTurbo
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared

MQTT-Specific Fields

Gateway ID:	`!433c6b10`
Position Precision:	32 bits (~1.0m accuracy)
Position precision meters:	`1.0`
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:	23 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 42.950268, "longitude": -81.316964, "altitude": 300, "sats_in_view": null, "precision_bits": 32 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!433c6b10", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1128033040, "to": 4294967295, "id": 58456893, "rx_time": 1774588777, "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": 0, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0dd8b0991915180488cf18ac02256913c6692801b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 429502680, "longitude_i": -813169640, "altitude": 300, "time": 1774588777, "location_source": "LOC_MANUAL", "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (23 bytes)

0dd8b0991915180488cf18ac02256913c6692801b80120

Hex Analysis:

Size:	23 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
Crestwood (Crst) Primary	0.000s Reference	Unknown	Unknown	-	ShortTurbo	2026-03-27 05:19:38 UTC	Current
Crestwood (Crst)	-0.512s Before	Unknown	Unknown	-	LongFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.485s Before	Unknown	Unknown	-	LongFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.474s Before	Unknown	Unknown	-	LongFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.459s Before	Unknown	Unknown	-	LongFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.451s Before	Unknown	Unknown	-	LongFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.434s Before	Unknown	Unknown	-	LongFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.415s Before	Unknown	Unknown	-	LongFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.403s Before	Unknown	Unknown	-	LongFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.391s Before	Unknown	Unknown	-	LongFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.379s Before	Unknown	Unknown	-	LongFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.368s Before	Unknown	Unknown	-	LongFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.357s Before	Unknown	Unknown	-	MediumFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.345s Before	Unknown	Unknown	-	MediumFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.334s Before	Unknown	Unknown	-	MediumFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.323s Before	Unknown	Unknown	-	MediumFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.313s Before	Unknown	Unknown	-	MediumFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.302s Before	Unknown	Unknown	-	MediumFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.292s Before	Unknown	Unknown	-	MediumFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.282s Before	Unknown	Unknown	-	MediumFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.272s Before	Unknown	Unknown	-	MediumFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.263s Before	Unknown	Unknown	-	MediumFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.252s Before	Unknown	Unknown	-	MediumFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.241s Before	Unknown	Unknown	-	ShortFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.229s Before	Unknown	Unknown	-	ShortFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.217s Before	Unknown	Unknown	-	ShortFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.206s Before	Unknown	Unknown	-	ShortFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.194s Before	Unknown	Unknown	-	ShortFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.183s Before	Unknown	Unknown	-	ShortFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.172s Before	Unknown	Unknown	-	ShortFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.155s Before	Unknown	Unknown	-	ShortFast	2026-03-27 05:19:37 UTC	View
Crestwood (Crst)	-0.144s Before	Unknown	Unknown	-	ShortFast	2026-03-27 05:19:38 UTC	View
Crestwood (Crst)	-0.134s Before	Unknown	Unknown	-	ShortFast	2026-03-27 05:19:38 UTC	View
Crestwood (Crst)	-0.123s Before	Unknown	Unknown	-	ShortFast	2026-03-27 05:19:38 UTC	View
Crestwood (Crst)	-0.112s Before	Unknown	Unknown	-	ShortTurbo	2026-03-27 05:19:38 UTC	View
Crestwood (Crst)	-0.101s Before	Unknown	Unknown	-	ShortTurbo	2026-03-27 05:19:38 UTC	View
Crestwood (Crst)	-0.091s Before	Unknown	Unknown	-	ShortTurbo	2026-03-27 05:19:38 UTC	View
Crestwood (Crst)	-0.080s Before	Unknown	Unknown	-	ShortTurbo	2026-03-27 05:19:38 UTC	View
Crestwood (Crst)	-0.070s Before	Unknown	Unknown	-	ShortTurbo	2026-03-27 05:19:38 UTC	View
Crestwood (Crst)	-0.059s Before	Unknown	Unknown	-	ShortTurbo	2026-03-27 05:19:38 UTC	View
Crestwood (Crst)	-0.047s Before	Unknown	Unknown	-	ShortTurbo	2026-03-27 05:19:38 UTC	View
Crestwood (Crst)	-0.035s Before	Unknown	Unknown	-	ShortTurbo	2026-03-27 05:19:38 UTC	View
Crestwood (Crst)	-0.023s Before	Unknown	Unknown	-	ShortTurbo	2026-03-27 05:19:38 UTC	View
Crestwood (Crst)	-0.011s Before	Unknown	Unknown	-	ShortTurbo	2026-03-27 05:19:38 UTC	View
Crestwood (Crst)	+0.016s After	Unknown	Unknown	-	LongFast	2026-03-27 05:19:38 UTC	View

45

Total Receptions

1

Unique Gateways