Packet #2594932 Success

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

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	2594932
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:	[TLGO] Base 📡🌐 (TLG0)
Channel:	LongFast
RSSI:	-114 dBm
SNR:	-10.5 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:	!da638a24
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`	`!da638a24` 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`	`-114.0` dBm Signal strength at gateway	int32
`rx_snr`	`-10.50` dB Signal quality at gateway	float
`rx_time`	`1751470231` 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`	`164` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1751470234.7006936` 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:	`!da638a24`
Position Precision:	18 bits (~91.0m accuracy)
Position precision meters:	`91.0`
Signal Metrics:	RSSI: -114.0 dBm SNR: -10.50 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": "!da638a24", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3639828714, "to": 4294967295, "id": 2806399024, "rx_time": 1751470231, "rx_snr": -10.5, "rx_rssi": -114, "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": 164, "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
[TLGO] Base 📡🌐 (TLG0) Primary	0.000s Reference	-114.0 dBm	-10.50 dB	1	LongFast	2025-07-02 15:30:34	Current
Meshtastic 870c📡🌐 (870c)	-0.391s Before	-97.0 dBm	3.25 dB	1	LongFast	2025-07-02 15:30:34	View
Mec Rocket Meco (MRM)	+0.042s After	-120.0 dBm	-13.00 dB	1	LongFast	2025-07-02 15:30:34	View
Venturada2🗼🌐☀️ (Vb2)	+0.048s After	-98.0 dBm	-0.25 dB	1	LongFast	2025-07-02 15:30:34	View
Wake Up, Neo...📡 (NEO)	+0.053s After	-95.0 dBm	-1.00 dB	1	LongFast	2025-07-02 15:30:34	View
Venturada base🗼🌐 (Vb)	+0.364s After	-101.0 dBm	3.50 dB	1	LongFast	2025-07-02 15:30:35	View
Perseo 🗼 (nvm1)	+1.280s After	-95.0 dBm	-6.00 dB	2	LongFast	2025-07-02 15:30:35	View
GRN1-Base📡🌐 (GRN1)	+1.594s After	-107.0 dBm	-13.25 dB	2	LongFast	2025-07-02 15:30:36	View
Ocumare_Base1_🗼🌐 (CATA)	+1.669s After	-122.0 dBm	-17.75 dB	2	LongFast	2025-07-02 15:30:36	View
TweeteR (TwT)	+2.933s After	-124.0 dBm	-16.50 dB	3	LongFast	2025-07-02 15:30:37	View
Pepino 🥒 📡 (🥒)	+4.051s After	-80.0 dBm	2.75 dB	4	LongFast	2025-07-02 15:30:38	View
MeshIsidro01 (ISI1)	+4.353s After	-115.0 dBm	-12.75 dB	4	LongFast	2025-07-02 15:30:39	View
SkG@Home 🗼🌐 (SkGH)	+5.038s After	-107.0 dBm	-4.25 dB	4	LongFast	2025-07-02 15:30:39	View
Meshtastic c498📡🌐 (C498)	+5.079s After	-126.0 dBm	-18.50 dB	4	LongFast	2025-07-02 15:30:39	View
Lgn6_299b (Lgn6)	+178.820s After	-96.0 dBm	6.00 dB	1	LongFast	2025-07-02 15:33:33	View
El Cafetín (CAFI)	+526.043s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:39:20	View
El Cafetín (CAFI)	+545.054s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:39:39	View
El Cafetín (CAFI)	+579.089s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:40:13	View
El Cafetín (CAFI)	+591.092s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:40:25	View
El Cafetín (CAFI)	+616.104s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:40:50	View
El Cafetín (CAFI)	+642.113s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:41:16	View
El Cafetín (CAFI)	+669.124s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:41:43	View
El Cafetín (CAFI)	+701.135s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:42:15	View
El Cafetín (CAFI)	+727.154s After	-128.0 dBm	-20.75 dB	2	LongFast	2025-07-02 15:42:41	View

24

Total Receptions

16

Unique Gateways