Packet #29919172 Success

TELEMETRY_APP packet from heltec Juanfran portable 868 (ay8p) to !ffffffff

11
Total Receptions
11
Unique Gateways
7
Hop Count
28
Payload Bytes
Packet Information
Database ID: 29919172
Mesh Packet ID: 0xfc63fce0
Used for correlation across gateways
Timestamp: 2025-12-24 22:26:44 UTC
From Node: heltec Juanfran portable 868 (ay8p)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: USCSS NOSTROMO (XENO)
Channel: MediumFast
RSSI: -110 dBm
SNR: -3.0 dBm
Hop Info: 7/7 hops
Start: 7, Limit: 0
Relay Node: None
Payload Data
Protocol: TELEMETRY_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:101%
Voltage:4.46 V
Channel Usage:3.7%
Air Util TX:0.9%
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:!95a578b0
Channel:MediumFast
Payload Type:TELEMETRY_APP
Hop Count:7 / 7
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

FieldValue
gateway_id !95a578b0
Node ID format
channel_id MediumFast
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3676920088
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 Not set uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 7
Calculated: hop_start - hop_limit 		derived
rx_rssi -110.0 dBm
Signal strength at gateway 		int32
rx_snr -3.00 dB
Signal quality at gateway 		float
rx_time 1766615190
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 Not set uint32
tx_after Not set uint32
timestamp 1766615204.0844502
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 (7 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !95a578b0
Signal Metrics: RSSI: -110.0 dBm
SNR: -3.00 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": 1766615196, "device_metrics": { "battery_level": 101, "voltage": 4.458, "channel_utilization": 3.6899998, "air_util_tx": 0.9461389, "uptime_seconds": 39906 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!95a578b0", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3676920088, "to": 4294967295, "id": 4234411232, "rx_time": 1766615190, "rx_snr": -3.0, "rx_rssi": -110, "hop_limit": 0, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d9c684c691215086515f0a78e401df5286c40252936723f28e2b702", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1766615196, "device_metrics": { "battery_level": 101, "voltage": 4.458, "channel_utilization": 3.6899998, "air_util_tx": 0.9461389, "uptime_seconds": 39906 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0d9c684c691215086515f0a78e401df5286c40252936723f28e2b702
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
USCSS NOSTROMO (XENO) Primary 0.000s
Reference 		-110.0 dBm -3.00 dB 7 - MediumFast 2025-12-24 22:26:44 UTC Current
CARREFOUR ea5wa (WA01) -4.005s
Before 		-114.0 dBm -10.25 dB 2 a4 📍 MediumFast 2025-12-24 22:26:40 UTC View
EAL Station 1 🗼🌐 (EAL1) -3.969s
Before 		-110.0 dBm -4.50 dB 2 a4 📍 MediumFast 2025-12-24 22:26:40 UTC View
Mula_LaTorre_Int (MUL2) -3.151s
Before 		-43.0 dBm 10.75 dB 3 9c MULA MediumFast 2025-12-24 22:26:40 UTC View
EA8EE_Albacete (EA8E) -2.635s
Before 		-107.0 dBm -10.25 dB 4 c0 MediumFast 2025-12-24 22:26:41 UTC View
San_Pablo🗼 (SP00) -2.623s
Before 		-108.0 dBm -1.00 dB 4 c0 5HIG , MIK6 MediumFast 2025-12-24 22:26:41 UTC View
Albacete_01 🛜 (Ab01) -2.619s
Before 		-122.0 dBm -12.00 dB 4 c0 MIK6 MediumFast 2025-12-24 22:26:41 UTC View
Karman’s HeltecV4 Beta (KHV4) -2.596s
Before 		-101.0 dBm -8.75 dB 5 74 CN1 MediumFast 2025-12-24 22:26:41 UTC View
ROQUETAS 2 - EA7HMB ☀️🗼 (RQT2) -2.593s
Before 		-99.0 dBm -5.75 dB 4 0f AL11 MediumFast 2025-12-24 22:26:41 UTC View
JP Terraza (JPT1) -1.252s
Before 		-107.0 dBm 3.00 dB 6 37 KTS1 , 1337 MediumFast 2025-12-24 22:26:42 UTC View
🐰🗼 (📡) -0.332s
Before 		-37.0 dBm 11.00 dB 7 61 📟 MediumFast 2025-12-24 22:26:43 UTC View
11

Total Receptions

11

Unique Gateways