Packet #13132959 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:	13132959
Mesh Packet ID:	`0xc2c9313a` Used for correlation across gateways
Timestamp:	2025-10-01 17:46:06 UTC
From Node:	Rivas - Vaciamadrid🗼 (RVS)
To Node:	Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	[TLG] 📡🌐🔋🔌 (tlg0)
Channel:	MediumSlow
RSSI:	-117 dBm
SNR:	-13.5 dBm
Hop Info:	0/3 hops Start: 3, Limit: 3

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:	!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` (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`	`3` Remaining hops allowed	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-117.0` dBm Signal strength at gateway	int32
`rx_snr`	`-13.50` dB Signal quality at gateway	float
`rx_time`	`1759340764` 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`	`28` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1759340766.5754616` 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:	16 bits (~364.0m accuracy)
Position precision meters:	`364.0`
Zero Hop Policy:	Enabled Direct gateway connection
Signal Metrics:	RSSI: -117.0 dBm SNR: -13.50 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": "!da638a24", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1452429340, "to": 1129719940, "id": 3267965242, "rx_time": 1759340764, "rx_snr": -13.5, "rx_rssi": -117, "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": 28, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00801018150080e5fd188d05251969dd6828017800800100b80110", "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": 1759340825, "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)

0d00801018150080e5fd188d05251969dd6828017800800100b80110

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
[TLG] 📡🌐🔋🔌 (tlg0) Primary	0.000s Reference	-117.0 dBm	-13.50 dB	0	MediumSlow	2025-10-01 17:46:06	Current
Will - Azuqueca (WAzq)	+263.815s After	-105.0 dBm	-5.25 dB	1	MediumSlow	2025-10-01 17:50:30	View
Mec Rocket Meco (MRM)	+263.818s After	-91.0 dBm	5.75 dB	1	MediumSlow	2025-10-01 17:50:30	View
Perseo 📡🌐☀ (nvm1)	+263.823s After	-86.0 dBm	3.25 dB	1	MediumSlow	2025-10-01 17:50:30	View
Trasto 🐰 Va (trva)	+264.133s After	-121.0 dBm	-17.50 dB	1	MediumSlow	2025-10-01 17:50:30	View
Baldur Fijo (BalF)	+264.142s After	-112.0 dBm	-3.50 dB	1	MediumSlow	2025-10-01 17:50:30	View
Meshtastic 18a4 (18a4)	+264.170s After	-123.0 dBm	-11.75 dB	1	MediumSlow	2025-10-01 17:50:30	View
Meshtastic 1760 (1760)	+264.172s After	-129.0 dBm	-9.75 dB	1	MediumSlow	2025-10-01 17:50:30	View
Glitchs Azuqueca 📡 (GltA)	+264.178s After	-122.0 dBm	-12.50 dB	1	MediumSlow	2025-10-01 17:50:30	View
Venturada2🗼🌐☀️ (Vb2)	+264.420s After	-88.0 dBm	4.50 dB	1	MediumSlow	2025-10-01 17:50:30	View
EA4HTS Ventas 🗼🇪🇸 (HTSv)	+265.170s After	-116.0 dBm	-8.50 dB	2	MediumSlow	2025-10-01 17:50:31	View
Rodashtastic🗼🌐 (RDSt)	+265.467s After	-122.0 dBm	-13.50 dB	2	MediumSlow	2025-10-01 17:50:32	View
Aldinra_7298_🗼 (AldP)	+265.559s After	-119.0 dBm	-15.25 dB	2	MediumSlow	2025-10-01 17:50:32	View
Machu Pichu (MaPi)	+267.379s After	-103.0 dBm	-3.25 dB	2	MediumSlow	2025-10-01 17:50:33	View
Naranjo C191 🌐 (FNL)	+268.421s After	-110.0 dBm	-6.50 dB	3	MediumSlow	2025-10-01 17:50:34	View
Ventilla 📡🌐 (VENT)	+268.502s After	-121.0 dBm	-14.00 dB	3	MediumSlow	2025-10-01 17:50:35	View
Meshtastic 2688 (2688)	+333.720s After	-118.0 dBm	-2.50 dB	1	MediumSlow	2025-10-01 17:51:40	View
Meshtastic 2688 (2688)	+345.729s After	-118.0 dBm	-2.50 dB	1	MediumSlow	2025-10-01 17:51:52	View
Meshtastic 2688 (2688)	+361.745s After	-118.0 dBm	-2.50 dB	1	MediumSlow	2025-10-01 17:52:08	View
Meshtastic 2688 (2688)	+378.756s After	-118.0 dBm	-2.50 dB	1	MediumSlow	2025-10-01 17:52:25	View
Meshtastic 2688 (2688)	+385.757s After	-118.0 dBm	-2.50 dB	1	MediumSlow	2025-10-01 17:52:32	View
Meshtastic 2688 (2688)	+410.769s After	-118.0 dBm	-2.50 dB	1	MediumSlow	2025-10-01 17:52:57	View
Meshtastic 2688 (2688)	+431.782s After	-118.0 dBm	-2.50 dB	1	MediumSlow	2025-10-01 17:53:18	View
Meshtastic 2688 (2688)	+452.794s After	-118.0 dBm	-2.50 dB	1	MediumSlow	2025-10-01 17:53:39	View
Meshtastic 2688 (2688)	+453.799s After	-118.0 dBm	-2.50 dB	1	MediumSlow	2025-10-01 17:53:40	View

25

Total Receptions

17

Unique Gateways