Packet #2594930 Success

POSITION_APP packet from AZUKITA/LEGANES (AZLE) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	2594930
Mesh Packet ID:	`0xa7464030` Used for correlation across gateways
Timestamp:	2025-07-02 15:30:34 UTC
From Node:	AZUKITA/LEGANES (AZLE)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Meshtastic 870c📡🌐 (870c)
Channel:	LongFast
RSSI:	-97 dBm
SNR:	3.25 dBm
Hop Info:	1/5 hops Start: 5, Limit: 4

Payload Data

Protocol: POSITION_APP

Size: 23 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.341504°
Longitude:	-3.760947°
Altitude:	714 m
Precision:	18 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:	!336a870c
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	1 / 5

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 4 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!336a870c` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (23 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3639828714` 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`	`4` Remaining hops allowed	uint32
`hop_start`	`5` Initial hop limit	uint32
`hops_taken`	`1` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-97.0` dBm Signal strength at gateway	int32
`rx_snr`	`3.25` dB Signal quality at gateway	float
`rx_time`	`1751470232` 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`	Not set	uint32
`tx_after`	Not set	uint32
`timestamp`	`1751470234.3100853` 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)
✓ Gateway node ID tracked

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared
⚠ Multi-hop path visible (1 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!336a870c`
Position Precision:	18 bits (~91.0m accuracy)
Position precision meters:	`91.0`
Signal Metrics:	RSSI: -97.0 dBm SNR: 3.25 dB

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": 40.341504, "longitude": -3.7609472, "altitude": 714, "sats_in_view": null, "precision_bits": 18 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!336a870c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3639828714, "to": 4294967295, "id": 2806399024, "rx_time": 1751470232, "rx_snr": 3.25, "rx_rssi": -97, "hop_limit": 4, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00a00b18150020c2fd18ca0528017800800100b80112", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403415040, "longitude_i": -37609472, "altitude": 714, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 18, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (23 bytes)

0d00a00b18150020c2fd18ca0528017800800100b80112

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	Hops	Channel	Timestamp	Actions
Meshtastic 870c📡🌐 (870c) Primary	0.000s Reference	-97.0 dBm	3.25 dB	1	LongFast	2025-07-02 15:30:34	Current
[TLGO] Base 📡🌐 (TLG0)	+0.391s After	-114.0 dBm	-10.50 dB	1	LongFast	2025-07-02 15:30:34	View
Mec Rocket Meco (MRM)	+0.433s After	-120.0 dBm	-13.00 dB	1	LongFast	2025-07-02 15:30:34	View
Venturada2🗼🌐☀️ (Vb2)	+0.439s After	-98.0 dBm	-0.25 dB	1	LongFast	2025-07-02 15:30:34	View
Wake Up, Neo...📡 (NEO)	+0.444s After	-95.0 dBm	-1.00 dB	1	LongFast	2025-07-02 15:30:34	View
Venturada base🗼🌐 (Vb)	+0.755s After	-101.0 dBm	3.50 dB	1	LongFast	2025-07-02 15:30:35	View
Perseo 🗼 (nvm1)	+1.670s After	-95.0 dBm	-6.00 dB	2	LongFast	2025-07-02 15:30:35	View
GRN1-Base📡🌐 (GRN1)	+1.985s After	-107.0 dBm	-13.25 dB	2	LongFast	2025-07-02 15:30:36	View
Ocumare_Base1_🗼🌐 (CATA)	+2.059s After	-122.0 dBm	-17.75 dB	2	LongFast	2025-07-02 15:30:36	View
TweeteR (TwT)	+3.323s After	-124.0 dBm	-16.50 dB	3	LongFast	2025-07-02 15:30:37	View
Pepino 🥒 📡 (🥒)	+4.441s After	-80.0 dBm	2.75 dB	4	LongFast	2025-07-02 15:30:38	View
MeshIsidro01 (ISI1)	+4.744s After	-115.0 dBm	-12.75 dB	4	LongFast	2025-07-02 15:30:39	View
SkG@Home 🗼🌐 (SkGH)	+5.428s After	-107.0 dBm	-4.25 dB	4	LongFast	2025-07-02 15:30:39	View
Meshtastic c498📡🌐 (C498)	+5.470s After	-126.0 dBm	-18.50 dB	4	LongFast	2025-07-02 15:30:39	View
Lgn6_299b (Lgn6)	+179.210s After	-96.0 dBm	6.00 dB	1	LongFast	2025-07-02 15:33:33	View
El Cafetín (CAFI)	+526.433s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:39:20	View
El Cafetín (CAFI)	+545.445s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:39:39	View
El Cafetín (CAFI)	+579.479s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:40:13	View
El Cafetín (CAFI)	+591.483s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:40:25	View
El Cafetín (CAFI)	+616.495s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:40:50	View
El Cafetín (CAFI)	+642.504s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:41:16	View
El Cafetín (CAFI)	+669.515s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:41:43	View
El Cafetín (CAFI)	+701.526s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:42:15	View
El Cafetín (CAFI)	+727.545s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:42:41	View

24

Total Receptions

16

Unique Gateways