Packet #39458933 Success

TELEMETRY_APP packet from ancilla.devterm (ancd) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	39458933
Mesh Packet ID:	`0xfb4e8ee2` Used for correlation across gateways
Timestamp:	2026-05-16 06:02:22 UTC
From Node:	ancilla.devterm (ancd)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TELEMETRY_APP Port: 67

Gateway:	Seri Base d120 (SRB)
Channel:	LongFast
RSSI:	-109 dBm
SNR:	-8.25 dBm
Hop Info:	2/7 hops Start: 7, Limit: 5
Relay Node:	`5b` Last byte of the last hop that relayed this packet

Payload Data

Protocol: TELEMETRY_APP

Size: 28 bytes

Decoded: Yes

Decoded Data:

Device Metrics:

Battery:	101%
Voltage:	-0.00 V
Channel Usage:	2.2%
Air Util TX:	1.0%

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:	28 bytes
Gateway:	!16ced120
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`	`!16ced120` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (28 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3935297440` 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`	`5` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-109.0` dBm Signal strength at gateway	int32
`rx_snr`	`-8.25` dB Signal quality at gateway	float
`rx_time`	`1778911342` 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`	`91` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1778911342.7258563` 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:	`!16ced120`
Signal Metrics:	RSSI: -109.0 dBm SNR: -8.25 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": 1778911286, "device_metrics": { "battery_level": 101, "voltage": -0.001, "channel_utilization": 2.2166667, "air_util_tx": 1.0398612, "uptime_seconds": 543518 } }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!16ced120", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3935297440, "to": 4294967295, "id": 4216229602, "rx_time": 1778911342, "rx_snr": -8.25, "rx_rssi": -109, "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": 91, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d3608086a12150865156f1283ba1ddedd0d40252c1a853f289e9621", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1778911286, "device_metrics": { "battery_level": 101, "voltage": -0.001, "channel_utilization": 2.2166667, "air_util_tx": 1.0398612, "uptime_seconds": 543518 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }

Raw Packet Data (28 bytes)

0d3608086a12150865156f1283ba1ddedd0d40252c1a853f289e9621

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	-109.0 dBm	-8.25 dB	2	`5b`	LongFast	2026-05-16 06:02:22 UTC	Current
Seri Base d120 (SRB)	-0.087s Before	-109.0 dBm	-8.25 dB	2	`5b`	LongFast	2026-05-16 06:02:22 UTC	View
Seri Base d120 (SRB)	-0.056s Before	-109.0 dBm	-8.25 dB	2	`5b`	LongFast	2026-05-16 06:02:22 UTC	View
Seri Base d120 (SRB)	-0.030s Before	-109.0 dBm	-8.25 dB	2	`5b`	LongFast	2026-05-16 06:02:22 UTC	View
Seri Base d120 (SRB)	+0.030s After	-109.0 dBm	-8.25 dB	2	`5b`	LongFast	2026-05-16 06:02:22 UTC	View
Seri Base d120 (SRB)	+0.055s After	-109.0 dBm	-8.25 dB	2	`5b`	LongFast	2026-05-16 06:02:22 UTC	View
Seri Base d120 (SRB)	+0.081s After	-109.0 dBm	-8.25 dB	2	`5b`	LongFast	2026-05-16 06:02:22 UTC	View
Seri Base d120 (SRB)	+0.113s After	-109.0 dBm	-8.25 dB	2	`5b`	LongFast	2026-05-16 06:02:22 UTC	View
Seri Base d120 (SRB)	+0.145s After	-109.0 dBm	-8.25 dB	2	`5b`	LongFast	2026-05-16 06:02:22 UTC	View
neoSG2 https://canadaverse.org/ (🎐)	+0.173s After	-93.0 dBm	-0.25 dB	2	`5b`	LongFast	2026-05-16 06:02:22 UTC	View
Seri Base d120 (SRB)	+0.212s After	-109.0 dBm	-8.25 dB	2	`5b`	LongFast	2026-05-16 06:02:22 UTC	View
Seri Base d120 (SRB)	+0.243s After	-109.0 dBm	-8.25 dB	2	`5b`	LongFast	2026-05-16 06:02:22 UTC	View
Seri Base d120 (SRB)	+0.264s After	-109.0 dBm	-8.25 dB	2	`5b`	MediumFast	2026-05-16 06:02:22 UTC	View
Seri Base d120 (SRB)	+0.285s After	-109.0 dBm	-8.25 dB	2	`5b`	MediumFast	2026-05-16 06:02:23 UTC	View
Seri Base d120 (SRB)	+0.307s After	-109.0 dBm	-8.25 dB	2	`5b`	MediumFast	2026-05-16 06:02:23 UTC	View
Seri Base d120 (SRB)	+0.331s After	-109.0 dBm	-8.25 dB	2	`5b`	MediumFast	2026-05-16 06:02:23 UTC	View
Seri Base d120 (SRB)	+0.360s After	-109.0 dBm	-8.25 dB	2	`5b`	MediumFast	2026-05-16 06:02:23 UTC	View
Seri Base d120 (SRB)	+0.384s After	-109.0 dBm	-8.25 dB	2	`5b`	MediumFast	2026-05-16 06:02:23 UTC	View
Seri Base d120 (SRB)	+0.407s After	-109.0 dBm	-8.25 dB	2	`5b`	MediumFast	2026-05-16 06:02:23 UTC	View
Seri Base d120 (SRB)	+0.430s After	-109.0 dBm	-8.25 dB	2	`5b`	MediumFast	2026-05-16 06:02:23 UTC	View
Seri Base d120 (SRB)	+0.747s After	-109.0 dBm	-8.25 dB	2	`5b`	MediumFast	2026-05-16 06:02:23 UTC	View
Seri Base d120 (SRB)	+0.779s After	-109.0 dBm	-8.25 dB	2	`5b`	MediumFast	2026-05-16 06:02:23 UTC	View
Seri Base d120 (SRB)	+0.801s After	-109.0 dBm	-8.25 dB	2	`5b`	MediumFast	2026-05-16 06:02:23 UTC	View
Seri Base d120 (SRB)	+0.824s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortFast	2026-05-16 06:02:23 UTC	View
Seri Base d120 (SRB)	+0.844s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortFast	2026-05-16 06:02:23 UTC	View
Seri Base d120 (SRB)	+0.866s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortFast	2026-05-16 06:02:23 UTC	View
Seri Base d120 (SRB)	+1.309s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortFast	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.334s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortFast	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.361s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortFast	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.390s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortFast	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.419s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortFast	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.446s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortFast	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.479s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortFast	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.509s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortFast	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.541s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortTurbo	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.568s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortTurbo	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.593s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortTurbo	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.616s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortTurbo	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.639s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortTurbo	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.663s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortTurbo	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.690s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortTurbo	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.715s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortTurbo	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.740s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortTurbo	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.765s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortTurbo	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.799s After	-109.0 dBm	-8.25 dB	2	`5b`	ShortTurbo	2026-05-16 06:02:24 UTC	View
Seri Base d120 (SRB)	+1.826s After	-109.0 dBm	-8.25 dB	2	`5b`	LongFast	2026-05-16 06:02:24 UTC	View
Meshtastic 7c50 (7c50)	+1.858s After	-118.0 dBm	-11.75 dB	2	`5b`	LongFast	2026-05-16 06:02:24 UTC	View
VE3WNP-12 (WNP)	+2.488s After	-73.0 dBm	5.50 dB	3	`68` WNPr	LongFast	2026-05-16 06:02:25 UTC	View

48

Total Receptions

4

Unique Gateways