Packet #14048835 Success

POSITION_APP packet from XiaoWatt c4c8 🌐🔌 (c4c8) to COSLADA 4fe0🌐🇪🇦🚨 (4fe0)

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	14048835
Mesh Packet ID:	`0x9d7e9bc7` Used for correlation across gateways
Timestamp:	2025-10-07 19:07:25 UTC
From Node:	XiaoWatt c4c8 🌐🔌 (c4c8)
To Node:	COSLADA 4fe0🌐🇪🇦🚨 (4fe0)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	[TLG] 📡🌐🔋🔌 (tlg0)
Channel:	MediumSlow
RSSI:	-113 dBm
SNR:	-6.0 dBm
Hop Info:	0/3 hops Start: 3, Limit: 3

Payload Data

Protocol: POSITION_APP

Size: 20 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.431000°
Longitude:	-3.635031°
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:	20 bytes
Gateway:	!da638a24
Channel:	MediumSlow
Payload Type:	POSITION_APP
Hop Count:	Unknown / 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
⚠ Full GPS precision shared
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!da638a24` Node ID format
`channel_id`	`MediumSlow`
`packet`	`MeshPacket` (20 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`864535752` Source node ID	uint32
`to`	`2661044192` Target node ID	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`20` 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`	`-113.0` dBm Signal strength at gateway	int32
`rx_snr`	`-6.00` dB Signal quality at gateway	float
`rx_time`	`1759864043` 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`	`200` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1759864045.7814343` 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: MediumSlow
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!da638a24`
Position Precision:	32 bits (~1.0m accuracy)
Position precision meters:	`1.0`
Zero Hop Policy:	Enabled Direct gateway connection
Signal Metrics:	RSSI: -113.0 dBm SNR: -6.00 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	20 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 40.431, "longitude": -3.635031, "altitude": null, "sats_in_view": null, "precision_bits": 32 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!da638a24", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 864535752, "to": 2661044192, "id": 2642320327, "rx_time": 1759864043, "rx_snr": -6.0, "rx_rssi": -113, "hop_limit": 3, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 200, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0df0471918159a56d5fd25b964e5682801b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 404310000, "longitude_i": -36350310, "time": 1759863993, "location_source": "LOC_MANUAL", "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (20 bytes)

0df0471918159a56d5fd25b964e5682801b80120

Hex Analysis:

Size:	20 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	Channel	Timestamp	Actions
[TLG] 📡🌐🔋🔌 (tlg0) Primary	0.000s Reference	-113.0 dBm	-6.00 dB	0	MediumSlow	2025-10-07 19:07:25	Current
XiaoWatt c4c8 🌐🔌 (c4c8)	-51.870s Before	Unknown	Unknown	0	MediumSlow	2025-10-07 19:06:33	View
Machu Pichu (MaPi)	+4.437s After	-103.0 dBm	-7.75 dB	1	MediumSlow	2025-10-07 19:07:30	View
Quass001 ☄️ (Q001)	+4.508s After	-111.0 dBm	-4.50 dB	1	MediumSlow	2025-10-07 19:07:30	View
Meshtastic 1760 (1760)	+5.074s After	-130.0 dBm	-14.50 dB	1	MediumSlow	2025-10-07 19:07:30	View
GRN1-Base🗼🌐 (GRN1)	+5.084s After	-91.0 dBm	3.75 dB	1	MediumSlow	2025-10-07 19:07:30	View
Ocumare_Base_🗼🌐 (CATA)	+5.131s After	-107.0 dBm	3.75 dB	1	MediumSlow	2025-10-07 19:07:30	View
Quass002 ☄️ (Q002)	+5.195s After	Unknown	Unknown	2	MediumSlow	2025-10-07 19:07:30	View
Venturada2🗼🌐☀️ (Vb2)	+5.415s After	-98.0 dBm	-1.50 dB	0	MediumSlow	2025-10-07 19:07:31	View
Oxygen EA4HKU (O)	+5.810s After	-110.0 dBm	-6.25 dB	2	MediumSlow	2025-10-07 19:07:31	View
🌐Charly Unid Movil🛰 (C181)	+5.833s After	-29.0 dBm	8.50 dB	2	MediumSlow	2025-10-07 19:07:31	View
Monolito (MoN)	+5.969s After	-69.0 dBm	9.00 dB	2	MediumSlow	2025-10-07 19:07:31	View
Carbon EA4HKU (C)	+6.034s After	-111.0 dBm	-1.25 dB	2	MediumSlow	2025-10-07 19:07:31	View
Baldur Fijo (BalF)	+6.136s After	-113.0 dBm	-10.00 dB	2	MediumSlow	2025-10-07 19:07:31	View
Meshtastic 18a4 (18a4)	+6.580s After	-118.0 dBm	-10.25 dB	3	MediumSlow	2025-10-07 19:07:32	View
tizon (Sylv)	+6.643s After	-106.0 dBm	-1.00 dB	3	MediumSlow	2025-10-07 19:07:32	View
Aldinra_1640_🗼_🌐 (AldB)	+6.925s After	-105.0 dBm	-1.25 dB	3	MediumSlow	2025-10-07 19:07:32	View
Rodashtastic🗼🌐 (RDSt)	+7.644s After	-114.0 dBm	-10.75 dB	2	MediumSlow	2025-10-07 19:07:33	View
Meshtastic 2688 (2688)	+8.272s After	-126.0 dBm	-7.50 dB	3	MediumSlow	2025-10-07 19:07:34	View
Mec Rocket Meco (MRM)	+10.527s After	-110.0 dBm	-9.00 dB	2	MediumSlow	2025-10-07 19:07:36	View

20

Total Receptions

20

Unique Gateways