Packet #28436854 Success

TELEMETRY_APP packet from Charly_Delta (RPT3) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	28436854
Mesh Packet ID:	`0x316f20aa` Used for correlation across gateways
Timestamp:	2025-12-18 08:24:00 UTC
From Node:	Charly_Delta (RPT3)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TELEMETRY_APP Port: 67

Gateway:	Meshtastic ca85 (ca85)
Channel:	MediumFast
RSSI:	-106 dBm
SNR:	-11.75 dBm
Hop Info:	3/4 hops Start: 4, Limit: 1
Relay Node:	`88` KarB Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions

Payload Data

Protocol: TELEMETRY_APP

Size: 17 bytes

Decoded: Yes

Decoded Data:

Environment Metrics:

Temperature:	5.6°C
Humidity:	74.2%

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:	17 bytes
Gateway:	!4cd9ca85
Channel:	MediumFast
Payload Type:	TELEMETRY_APP
Hop Count:	3 / 4

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 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`	`!4cd9ca85` Node ID format
`channel_id`	`MediumFast`
`packet`	`MeshPacket` (17 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`4145268766` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`67` TELEMETRY_APP	enum
`decoded.payload_length`	`17` bytes	size
`hop_limit`	`1` Remaining hops allowed	uint32
`hop_start`	`4` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-106.0` dBm Signal strength at gateway	int32
`rx_snr`	`-11.75` dB Signal quality at gateway	float
`rx_time`	`1766046242` 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`	`136` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1766046240.510978` 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

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!4cd9ca85`
Signal Metrics:	RSSI: -106.0 dBm SNR: -11.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TELEMETRY_APP
Size:	17 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "time": 1766046230, "environment_metrics": { "temperature": 5.63, "relative_humidity": 74.2 } }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!4cd9ca85", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4145268766, "to": 4294967295, "id": 829366442, "rx_time": 1766046242, "rx_snr": -11.75, "rx_rssi": -106, "hop_limit": 1, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 136, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d16ba43691a0a0df628b4401566669442", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1766046230, "environment_metrics": { "temperature": 5.63, "relative_humidity": 74.2 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }

Raw Packet Data (17 bytes)

0d16ba43691a0a0df628b4401566669442

Hex Analysis:

Size:	17 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
Meshtastic ca85 (ca85) Primary	0.000s Reference	-106.0 dBm	-11.75 dB	3	`88` KarB	MediumFast	2025-12-18 08:24:00 UTC	Current
Karabanchel_Baldur (KarB)	-0.721s Before	-110.0 dBm	-13.25 dB	2	`61` Ilde , TO1	MediumFast	2025-12-18 08:23:59 UTC	View
ETH Maverick (ET01)	-0.451s Before	-107.0 dBm	-8.25 dB	2	`61` TO1	MediumFast	2025-12-18 08:24:00 UTC	View
Fenix (FENX)	-0.329s Before	-117.0 dBm	-11.75 dB	2	`61` TO1	MediumFast	2025-12-18 08:24:00 UTC	View
XiaoWatt c4c8 🌐🔌 (c4c8)	-0.139s Before	-101.0 dBm	-10.00 dB	3	`88` KarB	MediumFast	2025-12-18 08:24:00 UTC	View
🎄 SkG@Home 📡🌐 (SkGH)	-0.129s Before	-83.0 dBm	-13.75 dB	3	`56` 8d56 , 3d56	MediumFast	2025-12-18 08:24:00 UTC	View
Eagle’s Nest (EAGL)	+0.025s After	-114.0 dBm	-4.50 dB	3	`74`	MediumFast	2025-12-18 08:24:00 UTC	View
Malasaña Solar ☀️ (🌇)	+0.215s After	-111.0 dBm	-2.00 dB	3	`88` KarB , FENX	MediumFast	2025-12-18 08:24:00 UTC	View
ETH Goose (ET03)	+0.376s After	-33.0 dBm	10.50 dB	3	`41` ET01	MediumFast	2025-12-18 08:24:00 UTC	View
Ocumare Norte🗼🌐 (RRN)	+0.430s After	-110.0 dBm	-16.00 dB	3	`f5`	MediumFast	2025-12-18 08:24:00 UTC	View
PXT_Home (PXT1)	+0.662s After	-112.0 dBm	-7.75 dB	4	`48` mfms	MediumFast	2025-12-18 08:24:01 UTC	View
P3 iGate 🏠🌐 (P3N2)	+0.858s After	-37.0 dBm	11.00 dB	3	`25` P3N1	MediumFast	2025-12-18 08:24:01 UTC	View
Meshtastic 1760 (1760)	+0.861s After	-115.0 dBm	1.50 dB	3	`f5` RPT4	MediumFast	2025-12-18 08:24:01 UTC	View
Aldinra_1640_🗼_🌐 (AldB)	+0.870s After	-118.0 dBm	-10.75 dB	3	`f5` RPT4	MediumFast	2025-12-18 08:24:01 UTC	View
Quixote_JS8_5🗼🌐 (QXT5)	+0.891s After	-114.0 dBm	-8.75 dB	4	-	MediumFast	2025-12-18 08:24:01 UTC	View
Quixote_JS8_7 (QXT7)	+0.897s After	-18.0 dBm	10.75 dB	4	-	MediumFast	2025-12-18 08:24:01 UTC	View
Varela Bot 🏡🤖 (🤖)	+0.978s After	-81.0 dBm	9.25 dB	3	`1c` 🏡	MediumFast	2025-12-18 08:24:01 UTC	View
Meshtastic 870c📡🌐 (870c)	+1.000s After	-95.0 dBm	9.00 dB	4	`dc` d0dc	MediumFast	2025-12-18 08:24:01 UTC	View
Villarejo01 (VIL1)	+1.050s After	-36.0 dBm	11.50 dB	3	`c6` d5c6	MediumFast	2025-12-18 08:24:01 UTC	View
X Wing 🚀 Kenobi (Knb2)	+1.136s After	-93.0 dBm	10.50 dB	2	`61` TO1	MediumFast	2025-12-18 08:24:01 UTC	View
Meshtastic 18a4 (18a4)	+1.143s After	Unknown	Unknown	4	`60` 1760	MediumFast	2025-12-18 08:24:01 UTC	View
Wake Up, Neo...📡 (NEO)	+1.210s After	-94.0 dBm	-0.75 dB	4	`ec` JAS	MediumFast	2025-12-18 08:24:01 UTC	View
g1bal (g1b0)	+1.439s After	-103.0 dBm	-13.25 dB	3	`f5` RPT4	MediumFast	2025-12-18 08:24:01 UTC	View
GRN1-Base🗼🌐 🔋 (GRN1)	+1.862s After	-105.0 dBm	-8.50 dB	3	-	MediumFast	2025-12-18 08:24:02 UTC	View
Mec Rocket Meco (MRM)	+2.279s After	-115.0 dBm	-14.00 dB	4	`08` JPL2	MediumFast	2025-12-18 08:24:02 UTC	View
Rodashtastic🗼🌐 (RDSt)	+2.671s After	-119.0 dBm	-10.00 dB	4	`e8` GRN1	MediumFast	2025-12-18 08:24:03 UTC	View

26

Total Receptions

26

Unique Gateways