Packet #17730841 Success

TELEMETRY_APP packet from meshy tama's very excellent mesh node (MTVE) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	17730841
Mesh Packet ID:	`0xbad9c162` Used for correlation across gateways
Timestamp:	2026-03-27 06:18:05 UTC
From Node:	meshy tama's very excellent mesh node (MTVE)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TELEMETRY_APP Port: 67

Gateway:	Seri Base d120 (SRB)
Channel:	ShortFast
RSSI:	-55 dBm
SNR:	6.5 dBm
Hop Info:	0/7 hops Start: 7, Limit: 7
Relay Node:	`e5` MTVE 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: 28 bytes

Decoded: Yes

Decoded Data:

Device Metrics:

Battery:	99%
Voltage:	4.19 V
Channel Usage:	14.6%
Air Util TX:	0.2%

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:	28 bytes
Gateway:	!16ced120
Channel:	ShortFast
Payload Type:	TELEMETRY_APP
Hop Count:	Unknown / 7

Privacy Summary

Exposure Level:
Broadcast

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

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!16ced120` Node ID format
`channel_id`	`ShortFast`
`packet`	`MeshPacket` (28 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`228327141` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`67` TELEMETRY_APP	enum
`decoded.payload_length`	`28` bytes	size
`hop_limit`	`7` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`0` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-55.0` dBm Signal strength at gateway	int32
`rx_snr`	`6.50` dB Signal quality at gateway	float
`rx_time`	`1774592284` 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`	`229` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1774592285.101379` 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: ShortFast
✓ Gateway node ID tracked
✓ Zero-hop: direct from source to MQTT gateway

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!16ced120`
Zero Hop Policy:	Enabled Direct gateway connection
Signal Metrics:	RSSI: -55.0 dBm SNR: 6.50 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TELEMETRY_APP
Size:	28 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "time": 1774592894, "device_metrics": { "battery_level": 99, "voltage": 4.186, "channel_utilization": 14.55, "air_util_tx": 0.17444445, "uptime_seconds": 67393 } }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!16ced120", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 228327141, "to": 4294967295, "id": 3134832994, "rx_time": 1774592284, "rx_snr": 6.5, "rx_rssi": -55, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 229, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d7e23c6691215086315b6f385401dcdcc68412591a1323e28c18e04", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1774592894, "device_metrics": { "battery_level": 99, "voltage": 4.186, "channel_utilization": 14.55, "air_util_tx": 0.17444445, "uptime_seconds": 67393 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }

Raw Packet Data (28 bytes)

0d7e23c6691215086315b6f385401dcdcc68412591a1323e28c18e04

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
Seri Base d120 (SRB) Primary	0.000s Reference	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortFast	2026-03-27 06:18:05 UTC	Current
Seri Base d120 (SRB)	-0.533s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	LongFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.512s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	LongFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.476s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	LongFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.447s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	LongFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.424s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	LongFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.401s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	LongFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.380s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	LongFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.352s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	LongFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.331s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	LongFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.309s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	LongFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.286s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	LongFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.264s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	MediumFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.242s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	MediumFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.221s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	MediumFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.201s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	MediumFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.176s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	MediumFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.155s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	MediumFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.134s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	MediumFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.110s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	MediumFast	2026-03-27 06:18:04 UTC	View
Seri Base d120 (SRB)	-0.085s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	MediumFast	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	-0.062s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	MediumFast	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	-0.041s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	MediumFast	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	-0.020s Before	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortFast	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.020s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortFast	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.042s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortFast	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.065s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortFast	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.087s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortFast	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.110s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortFast	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.131s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortFast	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.151s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortFast	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.174s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortFast	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.195s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortFast	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.219s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.242s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.265s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.287s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.309s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.329s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.350s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.370s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.392s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.415s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.438s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	ShortTurbo	2026-03-27 06:18:05 UTC	View
Seri Base d120 (SRB)	+0.461s After	-55.0 dBm	6.50 dB	0	`e5` MTVE	LongFast	2026-03-27 06:18:05 UTC	View
VE3WNP-12 (WNP)	+1.829s After	-76.0 dBm	5.75 dB	2	`68` WNPr	LongFast	2026-03-27 06:18:06 UTC	View

46

Total Receptions

2

Unique Gateways