Packet #28298795 Success

POSITION_APP packet from Cibermusic 🌐 (JAS) to Sierra norte Madrid ⛰️🗼🌞 (SNM)

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	28298795
Mesh Packet ID:	`0x9947dffd` Used for correlation across gateways
Timestamp:	2025-12-17 16:26:26 UTC
From Node:	Cibermusic 🌐 (JAS)
To Node:	Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Ocumare Norte🗼🌐 (RRN)
Channel:	MediumFast
RSSI:	-107 dBm
SNR:	-13.0 dBm
Hop Info:	2/3 hops Start: 3, Limit: 1
Relay Node:	`b0` Vbm , Vb2 Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Payload Data

Protocol: POSITION_APP

Size: 23 bytes

Decoded: Yes

Decoded Data:

Latitude:	40.461926°
Longitude:	-3.683123°
Altitude:	737 m
Precision:	14 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:	!b2a7c8d0
Channel:	MediumFast
Payload Type:	POSITION_APP
Hop Count:	2 / 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
⚠ Multi-hop path visible (2 hops)
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!b2a7c8d0` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (23 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`2697659628` Source node ID	uint32
`to`	`1129719940` Target node ID	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`23` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`3` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-107.0` dBm Signal strength at gateway	int32
`rx_snr`	`-13.00` dB Signal quality at gateway	float
`rx_time`	`1765988784` 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`	`176` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1765988786.3003714` 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: MediumFast
✓ Gateway node ID tracked
✓ Reduced position precision: ~1500.0m accuracy

Exposure Risks:

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

MQTT-Specific Fields

Gateway ID:	`!b2a7c8d0`
Position Precision:	14 bits (~1500.0m accuracy)
Position precision meters:	`1500.0`
Signal Metrics:	RSSI: -107.0 dBm SNR: -13.00 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": 40.4619264, "longitude": -3.6831232, "altitude": 737, "sats_in_view": null, "precision_bits": 14 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!b2a7c8d0", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2697659628, "to": 1129719940, "id": 2571624445, "rx_time": 1765988784, "rx_snr": -13.0, "rx_rssi": -107, "hop_limit": 1, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 176, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00001e18150000cefd18e10525a6d942692801b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 404619264, "longitude_i": -36831232, "altitude": 737, "time": 1765988774, "location_source": "LOC_MANUAL", "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (23 bytes)

0d00001e18150000cefd18e10525a6d942692801b8010e

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	Relay	Channel	Timestamp	Actions
Ocumare Norte🗼🌐 (RRN) Primary	0.000s Reference	-107.0 dBm	-13.00 dB	2	`b0` Vbm , Vb2	MediumFast	2025-12-17 16:26:26 UTC	Current
Wake Up, Neo...📡 (NEO)	-4.823s Before	-96.0 dBm	-0.50 dB	0	`ec` JAS	MediumFast	2025-12-17 16:26:21 UTC	View
Meshtastic 1760 (1760)	-2.094s Before	-117.0 dBm	1.00 dB	1	`f5` RPT4	MediumFast	2025-12-17 16:26:24 UTC	View
🏔️Cerro del Aire🏔️_ b03c (CDA)	-1.941s Before	-120.0 dBm	-11.25 dB	1	`f5` RPT4	MediumFast	2025-12-17 16:26:24 UTC	View
Meshtastic 18a4 (18a4)	-1.660s Before	Unknown	Unknown	2	`60` 1760	MediumFast	2025-12-17 16:26:24 UTC	View
Aldinra_1640_🗼_🌐 (AldB)	-1.327s Before	-117.0 dBm	-7.75 dB	1	`f5` RPT4	MediumFast	2025-12-17 16:26:24 UTC	View
Venturada2 🗼🌞 (Vb2)	-0.780s Before	-99.0 dBm	-3.00 dB	1	`f5` RPT4	MediumFast	2025-12-17 16:26:25 UTC	View
XiaoWatt c4c8 🌐🔌 (c4c8)	+0.414s After	-78.0 dBm	8.25 dB	2	`b0` Vbm , Vb2	MediumFast	2025-12-17 16:26:26 UTC	View
MOVIL 1 🟢 MANCHASTIC (MV1V)	+0.960s After	-66.0 dBm	10.75 dB	3	`b4`	MediumFast	2025-12-17 16:26:27 UTC	View
Fenix (FENX)	+1.349s After	-117.0 dBm	-11.50 dB	2	`61` TO1	MediumFast	2025-12-17 16:26:27 UTC	View
[samsepi0l] 📡🌐 (tlg0)	+1.873s After	-103.0 dBm	-11.25 dB	3	`08` LMTS , JPL2	MediumFast	2025-12-17 16:26:28 UTC	View
PXT_Home (PXT1)	+1.981s After	-96.0 dBm	8.75 dB	3	`fd` BAS2	MediumFast	2025-12-17 16:26:28 UTC	View
Varela Bot 🏡🤖 (🤖)	+2.025s After	-87.0 dBm	4.25 dB	3	`1c` 🏡	MediumFast	2025-12-17 16:26:28 UTC	View
GRN1-Base🗼🌐 🔋 (GRN1)	+2.200s After	-99.0 dBm	-3.00 dB	2	`b0` Vbm , Vb2	MediumFast	2025-12-17 16:26:28 UTC	View
ETH Maverick (ET01)	+2.476s After	-106.0 dBm	-5.50 dB	2	`61` TO1	MediumFast	2025-12-17 16:26:28 UTC	View
ETH Goose (ET03)	+4.068s After	-42.0 dBm	11.00 dB	3	`41` ET01	MediumFast	2025-12-17 16:26:30 UTC	View
Rodashtastic🗼🌐 (RDSt)	+4.198s After	-112.0 dBm	-3.00 dB	3	`94`	MediumFast	2025-12-17 16:26:30 UTC	View
Karabanchel_Baldur (KarB)	+7.955s After	-93.0 dBm	-1.75 dB	3	`2d` SkyB	MediumFast	2025-12-17 16:26:34 UTC	View
Meshtastic b2b4📡🌐 (b2b4)	+7.963s After	-108.0 dBm	-3.50 dB	3	`2d` SkyB	MediumFast	2025-12-17 16:26:34 UTC	View
🤖 Nicolas Cage 🌐 (Cage)	+8.170s After	-72.0 dBm	11.00 dB	3	`2d` SkyB	MediumFast	2025-12-17 16:26:34 UTC	View
tizon (Sylv)	+8.286s After	-112.0 dBm	-3.00 dB	3	`2d` SkyB	MediumFast	2025-12-17 16:26:34 UTC	View
Meshtastic JT01 (JT01)	+14.659s After	-126.0 dBm	-13.75 dB	3	`13` Sir	MediumFast	2025-12-17 16:26:40 UTC	View
X Wing 🚀 Kenobi (Knb2)	+19.385s After	-110.0 dBm	-8.00 dB	2	`b5` Knb0	MediumFast	2025-12-17 16:26:45 UTC	View
TweeteR ☀🔋 (TwT)	+40.573s After	-119.0 dBm	-10.50 dB	3	`fd` BAS2	MediumFast	2025-12-17 16:27:06 UTC	View

24

Total Receptions

24

Unique Gateways