Packet #17656220 Success

TELEMETRY_APP packet from neotracker (ntrc) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17656220
Mesh Packet ID:	`0xda43737d` Used for correlation across gateways
Timestamp:	2026-03-27 02:03:13 UTC
From Node:	neotracker (ntrc)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TELEMETRY_APP Port: 67

Gateway:	Meshtastic 52b1 (DAY)
Channel:	LongFast
RSSI:	-128 dBm
SNR:	-20.25 dBm
Hop Info:	2/7 hops Start: 7, Limit: 5
Relay Node:	`99` PI01 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:	27.3°C

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:	!cd7652b1
Channel:	LongFast
Payload Type:	TELEMETRY_APP
Hop Count:	2 / 7

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
+ 3 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!cd7652b1` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (17 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`1878604709` 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`	`5` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-128.0` dBm Signal strength at gateway	int32
`rx_snr`	`-20.25` dB Signal quality at gateway	float
`rx_time`	`1774576993` 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`	`153` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774576993.4151297` 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
⚠ Multi-hop path visible (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!cd7652b1`
Signal Metrics:	RSSI: -128.0 dBm SNR: -20.25 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": 1774576989, "environment_metrics": { "temperature": 27.25036, "lux": 4.0 } }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!cd7652b1", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1878604709, "to": 4294967295, "id": 3661853565, "rx_time": 1774576993, "rx_snr": -20.25, "rx_rssi": -128, "hop_limit": 5, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 153, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d5de5c5691a0a0dbd00da414d00008040", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1774576989, "environment_metrics": { "temperature": 27.25036, "lux": 4.0 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }

Raw Packet Data (17 bytes)

0d5de5c5691a0a0dbd00da414d00008040

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 52b1 (DAY) Primary	0.000s Reference	-128.0 dBm	-20.25 dB	2	`99` PI01	LongFast	2026-03-27 02:03:13 UTC	Current
neoSG2 https://canadaverse.org/ (🎐)	-1.622s Before	-47.0 dBm	5.75 dB	0	`a5` ntrc	LongFast	2026-03-27 02:03:11 UTC	View
Balconytastic (PIE1)	-0.529s Before	-44.0 dBm	5.75 dB	2	`99` PI01	LongFast	2026-03-27 02:03:12 UTC	View
Tagtastic (ld01)	-0.453s Before	-42.0 dBm	6.50 dB	2	`99` PI01	LongFast	2026-03-27 02:03:12 UTC	View
Meshtastic 52b1 (DAY)	-0.154s Before	-128.0 dBm	-20.25 dB	2	`99` PI01	LongFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	-0.112s Before	-128.0 dBm	-20.25 dB	2	`99` PI01	LongFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	-0.083s Before	-128.0 dBm	-20.25 dB	2	`99` PI01	LongFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	-0.060s Before	-128.0 dBm	-20.25 dB	2	`99` PI01	LongFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	-0.026s Before	-128.0 dBm	-20.25 dB	2	`99` PI01	LongFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.030s After	-128.0 dBm	-20.25 dB	2	`99` PI01	LongFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.057s After	-128.0 dBm	-20.25 dB	2	`99` PI01	LongFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.078s After	-128.0 dBm	-20.25 dB	2	`99` PI01	LongFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.102s After	-128.0 dBm	-20.25 dB	2	`99` PI01	LongFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.127s After	-128.0 dBm	-20.25 dB	2	`99` PI01	LongFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.154s After	-128.0 dBm	-20.25 dB	2	`99` PI01	MediumFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.193s After	-128.0 dBm	-20.25 dB	2	`99` PI01	MediumFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.222s After	-128.0 dBm	-20.25 dB	2	`99` PI01	MediumFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.245s After	-128.0 dBm	-20.25 dB	2	`99` PI01	MediumFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.267s After	-128.0 dBm	-20.25 dB	2	`99` PI01	MediumFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.288s After	-128.0 dBm	-20.25 dB	2	`99` PI01	MediumFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.310s After	-128.0 dBm	-20.25 dB	2	`99` PI01	MediumFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.333s After	-128.0 dBm	-20.25 dB	2	`99` PI01	MediumFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.356s After	-128.0 dBm	-20.25 dB	2	`99` PI01	MediumFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.379s After	-128.0 dBm	-20.25 dB	2	`99` PI01	MediumFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.402s After	-128.0 dBm	-20.25 dB	2	`99` PI01	MediumFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.422s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.443s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.463s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.482s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.506s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.529s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.552s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.575s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortFast	2026-03-27 02:03:13 UTC	View
Meshtastic 52b1 (DAY)	+0.597s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortFast	2026-03-27 02:03:14 UTC	View
Meshtastic 52b1 (DAY)	+0.617s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortFast	2026-03-27 02:03:14 UTC	View
Meshtastic 52b1 (DAY)	+0.641s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortFast	2026-03-27 02:03:14 UTC	View
Meshtastic 52b1 (DAY)	+0.662s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortTurbo	2026-03-27 02:03:14 UTC	View
Meshtastic 52b1 (DAY)	+0.685s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortTurbo	2026-03-27 02:03:14 UTC	View
Meshtastic 52b1 (DAY)	+0.709s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortTurbo	2026-03-27 02:03:14 UTC	View
Meshtastic 52b1 (DAY)	+0.735s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortTurbo	2026-03-27 02:03:14 UTC	View
Meshtastic 52b1 (DAY)	+0.760s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortTurbo	2026-03-27 02:03:14 UTC	View
Meshtastic 52b1 (DAY)	+0.781s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortTurbo	2026-03-27 02:03:14 UTC	View
Meshtastic 52b1 (DAY)	+0.803s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortTurbo	2026-03-27 02:03:14 UTC	View
Meshtastic 52b1 (DAY)	+0.824s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortTurbo	2026-03-27 02:03:14 UTC	View
Meshtastic 52b1 (DAY)	+0.845s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortTurbo	2026-03-27 02:03:14 UTC	View
Meshtastic 52b1 (DAY)	+0.869s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortTurbo	2026-03-27 02:03:14 UTC	View
Meshtastic 52b1 (DAY)	+0.893s After	-128.0 dBm	-20.25 dB	2	`99` PI01	ShortTurbo	2026-03-27 02:03:14 UTC	View
Meshtastic 52b1 (DAY)	+0.916s After	-128.0 dBm	-20.25 dB	2	`99` PI01	LongFast	2026-03-27 02:03:14 UTC	View

48

Total Receptions

4

Unique Gateways