Packet #27874916 Success

TELEMETRY_APP packet from POZUELO CALATRAVA - MANCHASTIC ☀️ (PZCV) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	27874916
Mesh Packet ID:	`0x2a088d3c` Used for correlation across gateways
Timestamp:	2025-12-15 18:48:08 UTC
From Node:	POZUELO CALATRAVA - MANCHASTIC ☀️ (PZCV)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	TELEMETRY_APP Port: 67

Gateway:	PXT_Home (PXT1)
Channel:	MediumFast
RSSI:	-109 dBm
SNR:	0.5 dBm
Hop Info:	3/5 hops Start: 5, Limit: 2
Relay Node:	`48` mfms 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:

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:	!849b5278
Channel:	MediumFast
Payload Type:	TELEMETRY_APP
Hop Count:	3 / 5

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`	`!849b5278` 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`	`765424030` 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`	`5` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-109.0` dBm Signal strength at gateway	int32
`rx_snr`	`0.50` dB Signal quality at gateway	float
`rx_time`	`1765824487` 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`	`72` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1765824488.294996` 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:	`!849b5278`
Signal Metrics:	RSSI: -109.0 dBm SNR: 0.50 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": 1765824512, "environment_metrics": { "voltage": 4.224, "current": 16.4 } }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!849b5278", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 765424030, "to": 4294967295, "id": 705203516, "rx_time": 1765824487, "rx_snr": 0.5, "rx_rssi": -109, "hop_limit": 2, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 72, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d005840691a0a2d022b87403533338341", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1765824512, "environment_metrics": { "voltage": 4.224, "current": 16.4 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }

Raw Packet Data (17 bytes)

0d005840691a0a2d022b87403533338341

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
PXT_Home (PXT1) Primary	0.000s Reference	-109.0 dBm	0.50 dB	3	`48` mfms	MediumFast	2025-12-15 18:48:08 UTC	Current
🎄 SkG@Home 📡🌐 (SkGH)	-1.746s Before	-102.0 dBm	-13.50 dB	1	`aa` CR1	MediumFast	2025-12-15 18:48:06 UTC	View
Meshtastic 26b0 (26b0)	-1.358s Before	-90.0 dBm	7.25 dB	1	`61` TO1	MediumFast	2025-12-15 18:48:06 UTC	View
ETH Maverick (ET01)	-1.098s Before	-108.0 dBm	-6.25 dB	1	`61` TO1	MediumFast	2025-12-15 18:48:07 UTC	View
Fenix (FENX)	-0.956s Before	-120.0 dBm	-13.25 dB	1	`61` TO1	MediumFast	2025-12-15 18:48:07 UTC	View
Ocumare Norte🗼🌐 (RRN)	-0.908s Before	-104.0 dBm	-10.00 dB	2	`b0` Vbm , 26b0	MediumFast	2025-12-15 18:48:07 UTC	View
JPL73B4_Node (JPL4)	-0.900s Before	-109.0 dBm	-11.50 dB	2	`b0` Vbm , 26b0	MediumFast	2025-12-15 18:48:07 UTC	View
Karabanchel_Baldur (KarB)	-0.890s Before	-89.0 dBm	6.00 dB	2	`24` vid	MediumFast	2025-12-15 18:48:07 UTC	View
XiaoWatt c4c8 🌐🔌 (c4c8)	-0.881s Before	-81.0 dBm	7.00 dB	2	`b0` Vbm , 26b0	MediumFast	2025-12-15 18:48:07 UTC	View
Villalbilla02 (VBV2)	-0.680s Before	-115.0 dBm	-5.25 dB	2	`b0` 26b0	MediumFast	2025-12-15 18:48:07 UTC	View
Eagle’s Nest (EAGL)	-0.575s Before	-102.0 dBm	2.50 dB	2	`48` SMR1	MediumFast	2025-12-15 18:48:07 UTC	View
GRN1-Base🗼🌐 🔋 (GRN1)	-0.527s Before	-99.0 dBm	-3.25 dB	2	`b0` Vbm , 26b0	MediumFast	2025-12-15 18:48:07 UTC	View
tizon (Sylv)	-0.517s Before	-115.0 dBm	-8.00 dB	2	`24` vid	MediumFast	2025-12-15 18:48:07 UTC	View
JPL73B2_Node (JPL2)	-0.493s Before	-96.0 dBm	-11.25 dB	2	`b0` Vbm , 26b0	MediumFast	2025-12-15 18:48:07 UTC	View
ETH Goose (ET03)	-0.334s Before	-24.0 dBm	11.25 dB	2	`41` ET01	MediumFast	2025-12-15 18:48:07 UTC	View
Meshtastic b2b4📡🌐 (b2b4)	-0.240s Before	-116.0 dBm	-14.00 dB	3	`28` DLCr	MediumFast	2025-12-15 18:48:08 UTC	View
Mec Rocket Meco (MRM)	-0.141s Before	-113.0 dBm	-13.00 dB	3	`c0` sdAh	MediumFast	2025-12-15 18:48:08 UTC	View
JAGO1_Cañaveral (JAGO)	+0.178s After	Unknown	11.50 dB	3	`70` JAG2	MediumFast	2025-12-15 18:48:08 UTC	View
Mikasa 🧣 📟 (🧣)	+0.228s After	-85.0 dBm	-9.25 dB	3	`dc` f1dc	MediumFast	2025-12-15 18:48:08 UTC	View
Quixote_JS8_5🗼🌐 (QXT5)	+0.276s After	-115.0 dBm	-13.50 dB	3	-	MediumFast	2025-12-15 18:48:08 UTC	View
Quixote_JS8_7 (QXT7)	+0.283s After	-18.0 dBm	10.50 dB	3	-	MediumFast	2025-12-15 18:48:08 UTC	View
Varela Bot 🏡🤖 (🤖)	+0.713s After	-77.0 dBm	9.75 dB	3	`1c` 🏡	MediumFast	2025-12-15 18:48:09 UTC	View

22

Total Receptions

22

Unique Gateways