Packet #14192180 Success

POSITION_APP packet from Pedrezuela Fazer (Fzr) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	14192180
Mesh Packet ID:	`0x4488c626` Used for correlation across gateways
Timestamp:	2025-10-08 14:58:54 UTC
From Node:	Pedrezuela Fazer (Fzr)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Kenobi23 QTH (5aec)
Channel:	MediumSlow
RSSI:	-100 dBm
SNR:	-2.25 dBm
Hop Info:	2/5 hops Start: 5, Limit: 3

Payload Data

Protocol: POSITION_APP

Size: 34 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.743731°
Longitude:	-3.611034°
Altitude:	856 m
Satellites:	6
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:	34 bytes
Gateway:	!9ea15aec
Channel:	MediumSlow
Payload Type:	POSITION_APP
Hop Count:	2 / 5

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 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`	`!9ea15aec` Node ID format
`channel_id`	`MediumSlow`
`packet`	`MeshPacket` (34 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1129797380` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`34` 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`	`-100.0` dBm Signal strength at gateway	int32
`rx_snr`	`-2.25` dB Signal quality at gateway	float
`rx_time`	`1759935533` 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`	`245` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1759935534.557265` 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: MediumSlow
✓ 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:	`!9ea15aec`
Position Precision:	15 bits (~729.0m accuracy)
Position precision meters:	`729.0`
Signal Metrics:	RSSI: -100.0 dBm SNR: -2.25 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	34 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 40.7437312, "longitude": -3.6110336, "altitude": 856, "sats_in_view": 6, "precision_bits": 15 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!9ea15aec", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1129797380, "to": 4294967295, "id": 1149814310, "rx_time": 1759935533, "rx_snr": -2.25, "rx_rssi": -100, "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": 245, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00004918150000d9fd18d80625287ce668280258a8027800800100980106b8010f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 407437312, "longitude_i": -36110336, "altitude": 856, "time": 1759935528, "location_source": "LOC_INTERNAL", "PDOP": 296, "ground_speed": 0, "ground_track": 0, "sats_in_view": 6, "precision_bits": 15, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (34 bytes)

0d00004918150000d9fd18d80625287ce668280258a8027800800100980106b8010f

Hex Analysis:

Size:	34 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
Kenobi23 QTH (5aec) Primary	0.000s Reference	-100.0 dBm	-2.25 dB	2	MediumSlow	2025-10-08 14:58:54	Current
GRN1-Base🗼🌐 (GRN1)	-1.071s Before	-104.0 dBm	-8.75 dB	1	MediumSlow	2025-10-08 14:58:53	View
Carbon EA4HKU (C)	-0.234s Before	-109.0 dBm	1.00 dB	2	MediumSlow	2025-10-08 14:58:54	View
Suop 📡 🌐 (SUOP)	-0.157s Before	-115.0 dBm	-6.75 dB	2	MediumSlow	2025-10-08 14:58:54	View
Oxygen EA4HKU (O)	+0.494s After	-66.0 dBm	8.75 dB	3	MediumSlow	2025-10-08 14:58:55	View
Meshtastic 1760 (1760)	+0.826s After	-127.0 dBm	-13.25 dB	3	MediumSlow	2025-10-08 14:58:55	View
Meshtastic 18a4 (18a4)	+1.197s After	Unknown	Unknown	4	MediumSlow	2025-10-08 14:58:55	View
Quass001 ☄️ (Q001)	+1.835s After	-104.0 dBm	-2.00 dB	4	MediumSlow	2025-10-08 14:58:56	View
Machu Pichu (MaPi)	+1.858s After	-106.0 dBm	-4.25 dB	3	MediumSlow	2025-10-08 14:58:56	View
Quass002 ☄️ (Q002)	+2.184s After	Unknown	Unknown	5	MediumSlow	2025-10-08 14:58:56	View
Karabanchel_Baldur (KarB)	+2.366s After	-85.0 dBm	4.00 dB	4	MediumSlow	2025-10-08 14:58:56	View
RodasCard📱🌐 (RDSc)	+3.451s After	-106.0 dBm	-1.50 dB	2	MediumSlow	2025-10-08 14:58:58	View
[TLG] 📡🌐🔋🔌 (tlg0)	+4.853s After	-88.0 dBm	7.50 dB	2	MediumSlow	2025-10-08 14:58:59	View
XiaoWatt c4c8 🌐🔌 (c4c8)	+5.060s After	-114.0 dBm	-14.50 dB	3	MediumSlow	2025-10-08 14:58:59	View
Kenobi23 movil (5672)	+5.433s After	-49.0 dBm	8.75 dB	3	MediumSlow	2025-10-08 14:58:59	View
Mec Rocket Meco (MRM)	+5.483s After	-35.0 dBm	9.00 dB	3	MediumSlow	2025-10-08 14:59:00	View
Venturada2🗼🌐☀️ (Vb2)	+5.711s After	-91.0 dBm	5.25 dB	2	MediumSlow	2025-10-08 14:59:00	View
Ocumare_Base_🗼🌐 (CATA)	+5.810s After	-97.0 dBm	-3.00 dB	3	MediumSlow	2025-10-08 14:59:00	View
🌐Charly Unid Movil🛰 (C181)	+6.045s After	-115.0 dBm	-15.00 dB	5	MediumSlow	2025-10-08 14:59:00	View
Zion 🗼 (Zion)	+6.305s After	-108.0 dBm	-16.00 dB	4	MediumSlow	2025-10-08 14:59:00	View
Meshtastic 2688 (2688)	+6.576s After	-120.0 dBm	-4.25 dB	4	MediumSlow	2025-10-08 14:59:01	View
Will - Azuqueca (WAzq)	+7.955s After	-122.0 dBm	-14.50 dB	5	MediumSlow	2025-10-08 14:59:02	View
tizon (Sylv)	+9.720s After	Unknown	Unknown	5	MediumSlow	2025-10-08 14:59:04	View

23

Total Receptions

23

Unique Gateways