Packet #28439841 Success

POSITION_APP packet from Toledo1 (TO1) to Sierra norte Madrid ⛰️🗼🌞 (SNM)

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	28439841
Mesh Packet ID:	`0x22a86952` Used for correlation across gateways
Timestamp:	2025-12-18 08:33:09 UTC
From Node:	Toledo1 (TO1)
To Node:	Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Rodashtastic🗼🌐 (RDSt)
Channel:	MediumFast
RSSI:	-119 dBm
SNR:	-10.75 dBm
Hop Info:	3/3 hops Start: 3, Limit: 0
Relay Node:	`e8` GRN1 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: 18 bytes

Decoded: Yes

Decoded Data:

Latitude:	39.714816°
Longitude:	-4.010803°
Altitude:	820 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:	18 bytes
Gateway:	!849acd88
Channel:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	3 / 3

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...

Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!849acd88` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (18 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3703763553` Source node ID	uint32
`to`	`1129719940` Target node ID	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`18` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-119.0` dBm Signal strength at gateway	int32
`rx_snr`	`-10.75` dB Signal quality at gateway	float
`rx_time`	`1766046788` Receive timestamp	fixed32
`via_mqtt`	False Direct LoRa transmission	bool
`want_ack`	False No ACK requested	bool
`priority`	Not set	enum
`delayed`	Not set	enum
`channel`	Not set	uint32
`pki_encrypted`	False Standard encryption	bool
`next_hop`	Not set	uint32
`relay_node`	`232` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1766046789.0132058` Unix timestamp	uint32

MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message

Privacy Features:

✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
✓ Custom channel: MediumFast
✓ Gateway node ID tracked
✓ Reduced position precision: ~2900.0m accuracy

Exposure Risks:

⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!849acd88`
Position Precision:	13 bits (~2900.0m accuracy)
Position precision meters:	`2900.0`
Signal Metrics:	RSSI: -119.0 dBm SNR: -10.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	18 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 39.714816, "longitude": -4.0108032, "altitude": 820, "sats_in_view": null, "precision_bits": 13 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!849acd88", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3703763553, "to": 1129719940, "id": 581462354, "rx_time": 1766046788, "rx_snr": -10.75, "rx_rssi": -119, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 232, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000ac171500009cfd18b4062801b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 397148160, "longitude_i": -40108032, "altitude": 820, "location_source": "LOC_MANUAL", "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (18 bytes)

0d0000ac171500009cfd18b4062801b8010d

Hex Analysis:

Size:	18 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	Hops	Relay	Channel	Timestamp	Actions
Rodashtastic🗼🌐 (RDSt) Primary	0.000s Reference	-119.0 dBm	-10.75 dB	3	`e8` GRN1	MediumFast	2025-12-18 08:33:09 UTC	Current
Fenix (FENX)	-6.193s Before	-116.0 dBm	-12.25 dB	0	`61` TO1	MediumFast	2025-12-18 08:33:02 UTC	View
ETH Maverick (ET01)	-6.128s Before	-106.0 dBm	-5.00 dB	0	`61` TO1	MediumFast	2025-12-18 08:33:02 UTC	View
ETH Goose (ET03)	-5.598s Before	-33.0 dBm	10.75 dB	1	`41` ET01	MediumFast	2025-12-18 08:33:03 UTC	View
🤖 Nicolas Cage 🌐 (Cage)	-5.149s Before	-104.0 dBm	-3.75 dB	2	`5d` 🥖	MediumFast	2025-12-18 08:33:03 UTC	View
Skynet (Sky)	-5.117s Before	-86.0 dBm	-0.25 dB	2	`5d` 🥖	MediumFast	2025-12-18 08:33:03 UTC	View
tizon (Sylv)	-5.062s Before	-119.0 dBm	-10.75 dB	2	`5d` 🥖	MediumFast	2025-12-18 08:33:03 UTC	View
Getafe ☀️ (GTF)	-5.033s Before	-124.0 dBm	-14.25 dB	2	`5d` 🥖	MediumFast	2025-12-18 08:33:03 UTC	View
Malasaña Solar ☀️ (🌇)	-4.970s Before	-102.0 dBm	-2.75 dB	1	`98` Kha1	MediumFast	2025-12-18 08:33:04 UTC	View
P3 iGate 🏠🌐 (P3N2)	-4.839s Before	-36.0 dBm	11.75 dB	2	`25` P3N1	MediumFast	2025-12-18 08:33:04 UTC	View
XiaoWatt c4c8 🌐🔌 (c4c8)	-1.424s Before	-103.0 dBm	-12.50 dB	2	`6a` b76a	MediumFast	2025-12-18 08:33:07 UTC	View
GRN1-Base🗼🌐 🔋 (GRN1)	-1.320s Before	-109.0 dBm	-10.50 dB	2	`6a` b76a	MediumFast	2025-12-18 08:33:07 UTC	View
Ocumare Norte🗼🌐 (RRN)	-0.355s Before	-18.0 dBm	10.50 dB	3	`6f` RRN4	MediumFast	2025-12-18 08:33:08 UTC	View
Aldinra_1640_🗼_🌐 (AldB)	+3.090s After	-118.0 dBm	-10.25 dB	2	`f5` RPT4	MediumFast	2025-12-18 08:33:12 UTC	View
Wake Up, Neo...📡 (NEO)	+3.742s After	-103.0 dBm	-5.75 dB	2	`f5` RPT4	MediumFast	2025-12-18 08:33:12 UTC	View
Meshtastic 18a4 (18a4)	+4.392s After	-117.0 dBm	-7.00 dB	3	`40` AldB	MediumFast	2025-12-18 08:33:13 UTC	View
Meshtastic 1760 (1760)	+4.398s After	-114.0 dBm	5.50 dB	3	`40` AldB	MediumFast	2025-12-18 08:33:13 UTC	View
PXT_Home (PXT1)	+7.151s After	-111.0 dBm	-7.00 dB	2	`48` mfms	MediumFast	2025-12-18 08:33:16 UTC	View
Zion 🗼 (Zion)	+7.712s After	-109.0 dBm	-13.00 dB	3	`11` BAS1	MediumFast	2025-12-18 08:33:16 UTC	View

19

Total Receptions

19

Unique Gateways