Packet #39408387 Success

TELEMETRY_APP packet from RackaBicycle (R4BC) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39408387
Mesh Packet ID:	`0xbd5b87f5` Used for correlation across gateways
Timestamp:	2026-05-16 02:47:49 UTC
From Node:	RackaBicycle (R4BC)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TELEMETRY_APP Port: 67

Gateway:	DIR Rooftop (DIR)
Channel:	ShortTurbo
RSSI:	-61 dBm
SNR:	5.25 dBm
Hop Info:	2/7 hops Start: 7, Limit: 5
Relay Node:	`e1` DIR2 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: 29 bytes

Decoded: Yes

Decoded Data:

Device Metrics:

Battery:	93%
Voltage:	4.10 V
Air Util TX:	0.0%

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:	29 bytes
Gateway:	!6985083c
Channel:	ShortTurbo
Payload Type:	TELEMETRY_APP
Hop Count:	2 / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 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`	`!6985083c` Node ID format
`channel_id`	`ShortTurbo`
`packet`	`MeshPacket` (29 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3676913620` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`67` TELEMETRY_APP	enum
`decoded.payload_length`	`29` 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`	`-61.0` dBm Signal strength at gateway	int32
`rx_snr`	`5.25` dB Signal quality at gateway	float
`rx_time`	`1778899668` 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`	`225` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778899669.7858145` 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: ShortTurbo
✓ Gateway node ID tracked

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:	`!6985083c`
Signal Metrics:	RSSI: -61.0 dBm SNR: 5.25 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	TELEMETRY_APP
Size:	29 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "time": 1778899661, "device_metrics": { "battery_level": 93, "voltage": 4.1, "channel_utilization": 0.0, "air_util_tx": 0.044, "uptime_seconds": 19808180 } }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!6985083c", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3676913620, "to": 4294967295, "id": 3176892405, "rx_time": 1778899668, "rx_snr": 5.25, "rx_rssi": -61, "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": 225, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0dcdda076a1216085d15333383401d00000000255839343d28b4ffb809", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1778899661, "device_metrics": { "battery_level": 93, "voltage": 4.1, "channel_utilization": 0.0, "air_util_tx": 0.044, "uptime_seconds": 19808180 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }

Raw Packet Data (29 bytes)

0dcdda076a1216085d15333383401d00000000255839343d28b4ffb809

Hex Analysis:

Size:	29 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
DIR Rooftop (DIR) Primary	0.000s Reference	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	Current
DIR Rooftop (DIR)	-1.270s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-1.232s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-1.188s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-1.147s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-1.126s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-1.105s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-1.083s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-1.058s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-1.034s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-1.010s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.984s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.957s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.935s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.907s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.884s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.858s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.821s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.789s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:48 UTC	View
DIR Rooftop (DIR)	-0.741s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.701s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.643s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.590s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	MediumFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.555s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.521s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.472s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.448s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.409s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.355s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.333s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.270s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.240s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.189s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.145s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortFast	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.097s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.066s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.044s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	-0.022s Before	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.027s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.049s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.073s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.095s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.132s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.159s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	ShortTurbo	2026-05-16 02:47:49 UTC	View
DIR Rooftop (DIR)	+0.181s After	-61.0 dBm	5.25 dB	2	`e1` DIR2	LongFast	2026-05-16 02:47:49 UTC	View

45

Total Receptions

1

Unique Gateways