Packet #27469063 Success

POSITION_APP packet from Pozuelo (POZ1) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	27469063
Mesh Packet ID:	`0x512d4d48` Used for correlation across gateways
Timestamp:	2025-12-13 21:12:01 UTC
From Node:	Pozuelo (POZ1)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	GRN1-Base🗼🌐 🔋 (GRN1)
Channel:	MediumFast
RSSI:	-106 dBm
SNR:	-6.25 dBm
Hop Info:	2/5 hops Start: 5, Limit: 3
Relay Node:	None

Payload Data

Protocol: POSITION_APP

Size: 28 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.442266°
Longitude:	-3.794534°
Altitude:	700 m
Precision:	15 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:	!43b706e8
Channel:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	2 / 5

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!43b706e8` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (28 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1770271252` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`28` bytes	size
`hop_limit`	`3` Remaining hops allowed	uint32
`hop_start`	`5` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-106.0` dBm Signal strength at gateway	int32
`rx_snr`	`-6.25` dB Signal quality at gateway	float
`rx_time`	`1765660319` 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`	`1765660321.0467055` 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)
✓ Custom channel: MediumFast
✓ Gateway node ID tracked
✓ Reduced position precision: ~729.0m accuracy

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!43b706e8`
Position Precision:	15 bits (~729.0m accuracy)
Position precision meters:	`729.0`
Signal Metrics:	RSSI: -106.0 dBm SNR: -6.25 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": 40.4422656, "longitude": -3.7945344, "altitude": 700, "sats_in_view": null, "precision_bits": 15 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!43b706e8", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1770271252, "to": 4294967295, "id": 1361923400, "rx_time": 1765660319, "rx_snr": -6.25, "rx_rssi": -106, "hop_limit": 3, "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": "0d00001b18150000bdfd18bc05259fd63d6928017800800100b8010f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 404422656, "longitude_i": -37945344, "altitude": 700, "time": 1765660319, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 15, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (28 bytes)

0d00001b18150000bdfd18bc05259fd63d6928017800800100b8010f

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	Relay	Channel	Timestamp	Actions
GRN1-Base🗼🌐 🔋 (GRN1) Primary	0.000s Reference	-106.0 dBm	-6.25 dB	2	-	MediumFast	2025-12-13 21:12:01 UTC	Current
Karabanchel_Baldur (KarB)	+0.299s After	-95.0 dBm	-0.25 dB	3	`1c` 🐷	MediumFast	2025-12-13 21:12:01 UTC	View
Fenix (FENX)	+0.620s After	-115.0 dBm	-7.00 dB	3	`1c` 🐷	MediumFast	2025-12-13 21:12:01 UTC	View
tizon (Sylv)	+0.631s After	-115.0 dBm	-7.00 dB	3	`1c` 🐷	MediumFast	2025-12-13 21:12:01 UTC	View
Venturada2 🗼🌞 (Vb2)	+0.853s After	-102.0 dBm	-5.00 dB	3	`af` RPT7	MediumFast	2025-12-13 21:12:01 UTC	View
ETH Maverick (ET01)	+1.256s After	-93.0 dBm	5.50 dB	4	`72` Knb1	MediumFast	2025-12-13 21:12:02 UTC	View
Varela Bot 🏡🤖 (🤖)	+1.258s After	-82.0 dBm	8.00 dB	3	`1c` 🏡	MediumFast	2025-12-13 21:12:02 UTC	View
Justicia Meshtastic b0e4 🏢 (b0e4)	+1.280s After	-116.0 dBm	-10.25 dB	2	`25` 🌇	MediumFast	2025-12-13 21:12:02 UTC	View
ETH Goose (ET03)	+1.375s After	-113.0 dBm	-9.00 dB	4	`72` Knb1	MediumFast	2025-12-13 21:12:02 UTC	View
Ocumare Norte🗼🌐 (RRN)	+1.647s After	-103.0 dBm	-9.25 dB	4	`b0` Vbm , Vb2	MediumFast	2025-12-13 21:12:02 UTC	View
XiaoWatt c4c8 🌐🔌 (c4c8)	+1.688s After	-78.0 dBm	8.75 dB	4	`b0` Vbm , Vb2	MediumFast	2025-12-13 21:12:02 UTC	View
Rodashtastic🗼🌐 (RDSt)	+1.990s After	-123.0 dBm	-14.00 dB	4	`b0` Vb2	MediumFast	2025-12-13 21:12:03 UTC	View
🎄 SkG@Home 📡🌐 (SkGH)	+2.365s After	-83.0 dBm	-12.75 dB	5	`56` 8d56 , 3d56	MediumFast	2025-12-13 21:12:03 UTC	View
Quass001 ☄️ (Q001)	+2.412s After	-92.0 dBm	-0.25 dB	4	`9e` Q099	MediumFast	2025-12-13 21:12:03 UTC	View
JAGO1_Cañaveral (JAGO)	+3.213s After	-124.0 dBm	-13.75 dB	5	`fc`	MediumFast	2025-12-13 21:12:04 UTC	View
Getafe ☀️ (GTF)	+3.782s After	-122.0 dBm	-12.25 dB	5	`48`	MediumFast	2025-12-13 21:12:04 UTC	View
Villarejo01 (VIL1)	+3.901s After	-36.0 dBm	10.75 dB	5	`c6` d5c6	MediumFast	2025-12-13 21:12:04 UTC	View
Eagle’s Nest (EAGL)	+4.499s After	-88.0 dBm	10.75 dB	5	`48` SMR1	MediumFast	2025-12-13 21:12:05 UTC	View
CV02_9f35 (CV02)	+4591.569s After	-116.0 dBm	-8.25 dB	5	`48`	MediumFast	2025-12-13 22:28:32 UTC	View

19

Total Receptions

19

Unique Gateways