Packet #28300640 Success

TELEMETRY_APP packet from Ciudad Real1 (CR1) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	28300640
Mesh Packet ID:	`0xdb81d823` Used for correlation across gateways
Timestamp:	2025-12-17 16:30:08 UTC
From Node:	Ciudad Real1 (CR1)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TELEMETRY_APP Port: 67

Gateway:	ETH Goose (ET03)
Channel:	MediumFast
RSSI:	-36 dBm
SNR:	11.25 dBm
Hop Info:	2/4 hops Start: 4, Limit: 2
Relay Node:	`41` ET01 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:	9.9°C
Pressure:	892.9 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:	!909ec2ec
Channel:	MediumFast
Payload Type:	TELEMETRY_APP
Hop Count:	2 / 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`	`!909ec2ec` 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`	`892200874` 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`	`2` Remaining hops allowed	uint32
`hop_start`	`4` Initial hop limit	uint32
`hops_taken`	`2` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-36.0` dBm Signal strength at gateway	int32
`rx_snr`	`11.25` dB Signal quality at gateway	float
`rx_time`	`1765989004` 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`	`65` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1765989008.06055` 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 (2 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!909ec2ec`
Signal Metrics:	RSSI: -36.0 dBm SNR: 11.25 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": 1765988131, "environment_metrics": { "temperature": 9.9, "barometric_pressure": 892.89905 } }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!909ec2ec", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 892200874, "to": 4294967295, "id": 3682719779, "rx_time": 1765989004, "rx_snr": 11.25, "rx_rssi": -36, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 65, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d23d742691a0a0d66661e411d8a395f44", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1765988131, "environment_metrics": { "temperature": 9.9, "barometric_pressure": 892.89905 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }

Raw Packet Data (17 bytes)

0d23d742691a0a0d66661e411d8a395f44

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
ETH Goose (ET03) Primary	0.000s Reference	-36.0 dBm	11.25 dB	2	`41` ET01	MediumFast	2025-12-17 16:30:08 UTC	Current
Ocumare Norte🗼🌐 (RRN)	-0.803s Before	-106.0 dBm	-12.25 dB	2	`b0` Vbm , Vb2	MediumFast	2025-12-17 16:30:07 UTC	View
ETH Maverick (ET01)	-0.758s Before	-107.0 dBm	-5.75 dB	1	`61` TO1	MediumFast	2025-12-17 16:30:07 UTC	View
Fenix (FENX)	-0.660s Before	-118.0 dBm	-13.25 dB	1	`61` TO1	MediumFast	2025-12-17 16:30:07 UTC	View
MOVIL 1 🟢 MANCHASTIC (MV1V)	-0.442s Before	-65.0 dBm	11.00 dB	1	`b4`	MediumFast	2025-12-17 16:30:07 UTC	View
Eagle’s Nest (EAGL)	-0.392s Before	-114.0 dBm	-4.50 dB	2	`74`	MediumFast	2025-12-17 16:30:07 UTC	View
[samsepi0l] 📡🌐 (tlg0)	-0.266s Before	-97.0 dBm	-5.75 dB	2	-	MediumFast	2025-12-17 16:30:07 UTC	View
🎄 SkG@Home 📡🌐 (SkGH)	-0.069s Before	-100.0 dBm	-12.75 dB	1	`61` TO1	MediumFast	2025-12-17 16:30:07 UTC	View
GRN1-Base🗼🌐 🔋 (GRN1)	+0.057s After	-107.0 dBm	-8.50 dB	2	-	MediumFast	2025-12-17 16:30:08 UTC	View
Venturada2 🗼🌞 (Vb2)	+0.088s After	-88.0 dBm	9.25 dB	1	`61` TO1	MediumFast	2025-12-17 16:30:08 UTC	View
XiaoWatt c4c8 🌐🔌 (c4c8)	+0.268s After	-78.0 dBm	8.00 dB	2	`b0` Vbm , Vb2	MediumFast	2025-12-17 16:30:08 UTC	View
Meshtastic 18a4 (18a4)	+0.458s After	-56.0 dBm	14.00 dB	3	`60` 1760	MediumFast	2025-12-17 16:30:08 UTC	View
Aldinra_1640_🗼_🌐 (AldB)	+0.503s After	-102.0 dBm	5.25 dB	3	`60` 1760	MediumFast	2025-12-17 16:30:08 UTC	View
Quass001 ☄️ (Q001)	+0.574s After	-49.0 dBm	10.50 dB	3	`3a` Q005	MediumFast	2025-12-17 16:30:08 UTC	View
JAGO1_Cañaveral (JAGO)	+0.601s After	-119.0 dBm	-10.25 dB	3	`fc`	MediumFast	2025-12-17 16:30:08 UTC	View
Meshtastic 1760 (1760)	+0.643s After	-133.0 dBm	-12.50 dB	2	`b0` Vb2	MediumFast	2025-12-17 16:30:08 UTC	View
Quixote_JS8_5🗼🌐 (QXT5)	+0.696s After	-114.0 dBm	-7.75 dB	3	-	MediumFast	2025-12-17 16:30:08 UTC	View
Quixote_JS8_7 (QXT7)	+0.698s After	-18.0 dBm	10.75 dB	3	-	MediumFast	2025-12-17 16:30:08 UTC	View
Zion 🗼 (Zion)	+0.752s After	-113.0 dBm	-12.50 dB	3	`85` FTO1	MediumFast	2025-12-17 16:30:08 UTC	View
Rodashtastic🗼🌐 (RDSt)	+0.925s After	-118.0 dBm	-9.50 dB	3	`e8` GRN1	MediumFast	2025-12-17 16:30:08 UTC	View
TweeteR ☀🔋 (TwT)	+0.957s After	-107.0 dBm	3.00 dB	3	`85` FTO1	MediumFast	2025-12-17 16:30:09 UTC	View
PXT_Home (PXT1)	+1.871s After	-112.0 dBm	-1.00 dB	4	`a4` HelB	MediumFast	2025-12-17 16:30:09 UTC	View

22

Total Receptions

22

Unique Gateways