Packet #13133664 Success

POSITION_APP packet from Rivas - Vaciamadrid🗼 (RVS) to Sierra norte Madrid ⛰️🗼🌞 (SNM)

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	13133664
Mesh Packet ID:	`0x0a8c4539` Used for correlation across gateways
Timestamp:	2025-10-01 17:49:52 UTC
From Node:	Rivas - Vaciamadrid🗼 (RVS)
To Node:	Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	EA4HTS Ventas 🗼🇪🇸 (HTSv)
Channel:	MediumSlow
RSSI:	-116 dBm
SNR:	-8.75 dBm
Hop Info:	2/3 hops Start: 3, Limit: 1

Payload Data

Protocol: POSITION_APP

Size: 28 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.373453°
Longitude:	-3.529114°
Altitude:	653 m
Precision:	16 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:	28 bytes
Gateway:	!9e9d48f4
Channel:	MediumSlow
Payload Type:	POSITION_APP
Hop Count:	2 / 3

Privacy Summary

Exposure Level:
Direct Message

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...

Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!9e9d48f4` Node ID format
`channel_id`	`MediumSlow`
`packet`	`MeshPacket` (28 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1452429340` Source node ID	uint32
`to`	`1129719940` Target node ID	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`28` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-116.0` dBm Signal strength at gateway	int32
`rx_snr`	`-8.75` dB Signal quality at gateway	float
`rx_time`	`1759340992` 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`	`244` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1759340992.3623216` 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

Exposure Risks:

⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared
⚠ Multi-hop path visible (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!9e9d48f4`
Position Precision:	16 bits (~364.0m accuracy)
Position precision meters:	`364.0`
Signal Metrics:	RSSI: -116.0 dBm SNR: -8.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	28 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 40.3734528, "longitude": -3.5291136, "altitude": 653, "sats_in_view": null, "precision_bits": 16 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!9e9d48f4", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1452429340, "to": 1129719940, "id": 176964921, "rx_time": 1759340992, "rx_snr": -8.75, "rx_rssi": -116, "hop_limit": 1, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 244, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00801018150080e5fd188d05255b68dd6828017800800100b80110", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403734528, "longitude_i": -35291136, "altitude": 653, "time": 1759340635, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 16, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (28 bytes)

0d00801018150080e5fd188d05255b68dd6828017800800100b80110

Hex Analysis:

Size:	28 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
EA4HTS Ventas 🗼🇪🇸 (HTSv) Primary	0.000s Reference	-116.0 dBm	-8.75 dB	2	MediumSlow	2025-10-01 17:49:52	Current
Will - Azuqueca (WAzq)	-1.132s Before	-105.0 dBm	-5.75 dB	1	MediumSlow	2025-10-01 17:49:51	View
Mec Rocket Meco (MRM)	-1.124s Before	-91.0 dBm	5.25 dB	1	MediumSlow	2025-10-01 17:49:51	View
Perseo 📡🌐☀ (nvm1)	-1.122s Before	-86.0 dBm	4.00 dB	1	MediumSlow	2025-10-01 17:49:51	View
Venturada2🗼🌐☀️ (Vb2)	-1.114s Before	-88.0 dBm	3.50 dB	1	MediumSlow	2025-10-01 17:49:51	View
Trasto 🐰 Va (trva)	-0.817s Before	-120.0 dBm	-16.25 dB	1	MediumSlow	2025-10-01 17:49:51	View
Baldur Fijo (BalF)	-0.804s Before	-112.0 dBm	-3.75 dB	1	MediumSlow	2025-10-01 17:49:51	View
Meshtastic 18a4 (18a4)	-0.782s Before	-124.0 dBm	-12.75 dB	1	MediumSlow	2025-10-01 17:49:51	View
Meshtastic 1760 (1760)	-0.777s Before	-130.0 dBm	-11.25 dB	1	MediumSlow	2025-10-01 17:49:51	View
Glitchs Azuqueca 📡 (GltA)	-0.776s Before	-122.0 dBm	-11.50 dB	1	MediumSlow	2025-10-01 17:49:51	View
[TLG] 📡🌐🔋🔌 (tlg0)	-0.751s Before	-71.0 dBm	9.50 dB	1	MediumSlow	2025-10-01 17:49:51	View
Monolito (MoN)	+0.224s After	-67.0 dBm	8.25 dB	3	MediumSlow	2025-10-01 17:49:52	View
🌐Charly Unid Movil🛰 (C181)	+0.431s After	-28.0 dBm	8.50 dB	2	MediumSlow	2025-10-01 17:49:52	View
Rodashtastic🗼🌐 (RDSt)	+0.462s After	-122.0 dBm	-13.75 dB	2	MediumSlow	2025-10-01 17:49:52	View
Aldinra_7298_🗼 (AldP)	+0.651s After	-111.0 dBm	-6.75 dB	2	MediumSlow	2025-10-01 17:49:53	View
Machu Pichu (MaPi)	+0.975s After	-102.0 dBm	-4.25 dB	2	MediumSlow	2025-10-01 17:49:53	View
Ventilla 📡🌐 (VENT)	+1.897s After	-120.0 dBm	-14.25 dB	3	MediumSlow	2025-10-01 17:49:54	View
Meshtastic 2688 (2688)	+81.911s After	-118.0 dBm	-1.00 dB	1	MediumSlow	2025-10-01 17:51:14	View
Meshtastic 2688 (2688)	+94.921s After	-118.0 dBm	-1.00 dB	1	MediumSlow	2025-10-01 17:51:27	View
Meshtastic 2688 (2688)	+106.936s After	-118.0 dBm	-1.00 dB	1	MediumSlow	2025-10-01 17:51:39	View
Meshtastic 2688 (2688)	+118.943s After	-118.0 dBm	-1.00 dB	1	MediumSlow	2025-10-01 17:51:51	View
Meshtastic 2688 (2688)	+135.955s After	-118.0 dBm	-1.00 dB	1	MediumSlow	2025-10-01 17:52:08	View
Meshtastic 2688 (2688)	+152.966s After	-118.0 dBm	-1.00 dB	1	MediumSlow	2025-10-01 17:52:25	View
Meshtastic 2688 (2688)	+153.964s After	-118.0 dBm	-1.00 dB	1	MediumSlow	2025-10-01 17:52:26	View
Meshtastic 2688 (2688)	+164.973s After	-118.0 dBm	-1.00 dB	1	MediumSlow	2025-10-01 17:52:37	View
Meshtastic 2688 (2688)	+185.984s After	-118.0 dBm	-1.00 dB	1	MediumSlow	2025-10-01 17:52:58	View
Meshtastic 2688 (2688)	+206.998s After	-118.0 dBm	-1.00 dB	1	MediumSlow	2025-10-01 17:53:19	View

27

Total Receptions

18

Unique Gateways