Packet #28300974 Success

TELEMETRY_APP packet from 2zz ☀ (03bb) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	28300974
Mesh Packet ID:	`0xdb5b4af4` Used for correlation across gateways
Timestamp:	2025-12-17 16:31:57 UTC
From Node:	2zz ☀ (03bb)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TELEMETRY_APP Port: 67

Gateway:	XiaoWatt c4c8 🌐🔌 (c4c8)
Channel:	MediumFast
RSSI:	-78 dBm
SNR:	4.0 dBm
Hop Info:	3/4 hops Start: 4, Limit: 1
Relay Node:	`b0` Vbm , 26b0 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:	16.7°C
Pressure:	950.1 hPa

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:	!3387c4c8
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`	`!3387c4c8` 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`	`1761936315` 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`	`-78.0` dBm Signal strength at gateway	int32
`rx_snr`	`4.00` dB Signal quality at gateway	float
`rx_time`	`1765989117` 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`	`176` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1765989117.1341336` 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:	`!3387c4c8`
Signal Metrics:	RSSI: -78.0 dBm SNR: 4.00 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": 1765989179, "environment_metrics": { "temperature": 16.67, "barometric_pressure": 950.10834 } }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!3387c4c8", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1761936315, "to": 4294967295, "id": 3680193268, "rx_time": 1765989117, "rx_snr": 4.0, "rx_rssi": -78, "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": 176, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d3bdb42691a0a0d295c85411def866d44", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1765989179, "environment_metrics": { "temperature": 16.67, "barometric_pressure": 950.10834 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }

Raw Packet Data (17 bytes)

0d3bdb42691a0a0d295c85411def866d44

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
XiaoWatt c4c8 🌐🔌 (c4c8) Primary	0.000s Reference	-78.0 dBm	4.00 dB	3	`b0` Vbm , 26b0	MediumFast	2025-12-17 16:31:57 UTC	Current
Karabanchel_Baldur (KarB)	-3.424s Before	-96.0 dBm	-1.75 dB	0	`bb` 03bb	MediumFast	2025-12-17 16:31:53 UTC	View
🤖 Nicolas Cage 🌐 (Cage)	-3.200s Before	-122.0 dBm	-12.00 dB	0	`bb` 03bb	MediumFast	2025-12-17 16:31:53 UTC	View
[samsepi0l] 📡🌐 (tlg0)	-0.912s Before	-78.0 dBm	8.75 dB	1	`52` 6052	MediumFast	2025-12-17 16:31:56 UTC	View
Meshtastic 26b0 (26b0)	-0.472s Before	-88.0 dBm	7.00 dB	2	`61` TO1	MediumFast	2025-12-17 16:31:56 UTC	View
🎄 SkG@Home 📡🌐 (SkGH)	-0.469s Before	-100.0 dBm	-11.00 dB	2	`61` TO1	MediumFast	2025-12-17 16:31:56 UTC	View
GRN1-Base🗼🌐 🔋 (GRN1)	-0.366s Before	-107.0 dBm	-9.25 dB	2	-	MediumFast	2025-12-17 16:31:56 UTC	View
Villarejo01 (VIL1)	-0.143s Before	-117.0 dBm	-12.75 dB	2	`61` TO1	MediumFast	2025-12-17 16:31:56 UTC	View
Ocumare Norte🗼🌐 (RRN)	-0.066s Before	-105.0 dBm	-11.25 dB	3	`b0` Vbm , 26b0	MediumFast	2025-12-17 16:31:57 UTC	View
Fenix (FENX)	-0.062s Before	-116.0 dBm	-11.25 dB	2	`61` TO1	MediumFast	2025-12-17 16:31:57 UTC	View
Eagle’s Nest (EAGL)	+0.049s After	-100.0 dBm	7.00 dB	3	`48` SMR1	MediumFast	2025-12-17 16:31:57 UTC	View
tizon (Sylv)	+0.357s After	Unknown	Unknown	2	`0c` Sylv	MediumFast	2025-12-17 16:31:57 UTC	View
Meshtastic 1760 (1760)	+0.360s After	-131.0 dBm	-11.25 dB	3	`b0` 26b0	MediumFast	2025-12-17 16:31:57 UTC	View
ETH Maverick (ET01)	+0.767s After	-91.0 dBm	7.50 dB	3	`72` Knb1	MediumFast	2025-12-17 16:31:57 UTC	View
Aldinra_1640_🗼_🌐 (AldB)	+0.873s After	-117.0 dBm	-8.00 dB	3	`f5` RPT4	MediumFast	2025-12-17 16:31:58 UTC	View
🏔️Cerro del Aire🏔️_ b03c (CDA)	+1.080s After	-120.0 dBm	-9.50 dB	3	`f5` RPT4	MediumFast	2025-12-17 16:31:58 UTC	View
Quixote_JS8_7 (QXT7)	+1.359s After	-18.0 dBm	11.00 dB	4	-	MediumFast	2025-12-17 16:31:58 UTC	View
Quixote_JS8_5🗼🌐 (QXT5)	+1.365s After	-113.0 dBm	-12.25 dB	4	-	MediumFast	2025-12-17 16:31:58 UTC	View
Wake Up, Neo...📡 (NEO)	+1.540s After	-95.0 dBm	-1.75 dB	4	`ec` JAS	MediumFast	2025-12-17 16:31:58 UTC	View
JAGO1_Cañaveral (JAGO)	+1.644s After	-113.0 dBm	-9.25 dB	4	`84` SNM , Ancr , 📡	MediumFast	2025-12-17 16:31:58 UTC	View
MOVIL 1 🟢 MANCHASTIC (MV1V)	+1.672s After	-66.0 dBm	10.75 dB	3	`b4`	MediumFast	2025-12-17 16:31:58 UTC	View
PXT_Home (PXT1)	+1.730s After	-96.0 dBm	9.00 dB	3	`fd` BAS2	MediumFast	2025-12-17 16:31:58 UTC	View
Meshtastic 18a4 (18a4)	+1.738s After	Unknown	Unknown	4	`60` 1760	MediumFast	2025-12-17 16:31:58 UTC	View
Quass001 ☄️ (Q001)	+2.016s After	-49.0 dBm	11.75 dB	4	`3a` Q005	MediumFast	2025-12-17 16:31:59 UTC	View
Varela Bot 🏡🤖 (🤖)	+2.909s After	-87.0 dBm	4.00 dB	3	`1c` 🏡	MediumFast	2025-12-17 16:32:00 UTC	View
ETH Goose (ET03)	+3.085s After	-39.0 dBm	11.00 dB	4	`41` ET01	MediumFast	2025-12-17 16:32:00 UTC	View
X Wing 🚀 Kenobi (Knb2)	+3.983s After	-113.0 dBm	-8.00 dB	4	`d4` ⛩	MediumFast	2025-12-17 16:32:01 UTC	View

27

Total Receptions

27

Unique Gateways