Packet #28186541 Success

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

19
Total Receptions
19
Unique Gateways
3
Hop Count
28
Payload Bytes
Packet Information
Database ID: 28186541
Mesh Packet ID: 0x370639f4
Used for correlation across gateways
Timestamp: 2025-12-17 03:15:06 UTC
From Node: POZUELO CALATRAVA - MANCHASTIC ☀️ (PZCV)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Quixote_JS8_7 (QXT7)
Channel: MediumFast
RSSI: -18 dBm
SNR: 11.25 dBm
Hop Info: 3/5 hops
Start: 5, Limit: 2
Relay Node: None
Payload Data
Protocol: TELEMETRY_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:90%
Voltage:4.05 V
Channel Usage:3.3%
Air Util TX:0.4%
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:!435b08cc
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

FieldValue
gateway_id !435b08cc
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 765424030
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 2
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -18.0 dBm
Signal strength at gateway 		int32
rx_snr 11.25 dB
Signal quality at gateway 		float
rx_time 1765941304
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 1765941306.2535172
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: !435b08cc
Signal Metrics: RSSI: -18.0 dBm
SNR: 11.25 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": 1765941331, "device_metrics": { "battery_level": 90, "voltage": 4.05, "channel_utilization": 3.3066669, "air_util_tx": 0.35625, "uptime_seconds": 1802665 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!435b08cc", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 765424030, "to": 4294967295, "id": 923154932, "rx_time": 1765941304, "rx_snr": 11.25, "rx_rssi": -18, "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": 0, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d532042691215085a159a9981401d6ea05340256666b63e28a9836e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1765941331, "device_metrics": { "battery_level": 90, "voltage": 4.05, "channel_utilization": 3.3066669, "air_util_tx": 0.35625, "uptime_seconds": 1802665 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0d532042691215085a159a9981401d6ea05340256666b63e28a9836e
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
Quixote_JS8_7 (QXT7) Primary 0.000s
Reference 		-18.0 dBm 11.25 dB 3 - MediumFast 2025-12-17 03:15:06 UTC Current
Venturada2🗼🌐☀️ (Vb2) -2.902s
Before 		-85.0 dBm 7.50 dB 1 61 TO1 MediumFast 2025-12-17 03:15:03 UTC View
Ocumare Norte🗼🌐 (RRN) -2.679s
Before 		-101.0 dBm -7.25 dB 2 b0 Vbm , Vb2 MediumFast 2025-12-17 03:15:03 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -2.643s
Before 		-79.0 dBm 8.25 dB 2 b0 Vbm , Vb2 MediumFast 2025-12-17 03:15:03 UTC View
Fenix (FENX) -2.544s
Before 		-117.0 dBm -10.75 dB 1 61 TO1 MediumFast 2025-12-17 03:15:03 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) -2.292s
Before 		-99.0 dBm 1.00 dB 2 b0 Vbm , Vb2 MediumFast 2025-12-17 03:15:03 UTC View
Villalbilla02 (VBV2) -2.243s
Before 		-120.0 dBm -10.25 dB 2 b0 Vb2 MediumFast 2025-12-17 03:15:04 UTC View
Karabanchel_Baldur (KarB) -2.130s
Before 		-106.0 dBm -6.25 dB 2 88 KarB , FENX MediumFast 2025-12-17 03:15:04 UTC View
Villarejo01 (VIL1) -1.947s
Before 		-36.0 dBm 10.75 dB 2 c6 d5c6 MediumFast 2025-12-17 03:15:04 UTC View
[samsepi0l] 📡🌐 (tlg0) -1.923s
Before 		-76.0 dBm -5.50 dB 3 fc 74fc , Anu2 MediumFast 2025-12-17 03:15:04 UTC View
ETH Goose (ET03) -1.796s
Before 		-36.0 dBm 10.75 dB 2 41 ET01 MediumFast 2025-12-17 03:15:04 UTC View
Eagle’s Nest (EAGL) -1.633s
Before 		-110.0 dBm 0.25 dB 2 74 TakF MediumFast 2025-12-17 03:15:04 UTC View
Varela Bot 🏡🤖 (🤖) -1.301s
Before 		-79.0 dBm 9.00 dB 3 1c 🏡 MediumFast 2025-12-17 03:15:04 UTC View
Meshtastic 1760 (1760) -1.181s
Before 		-116.0 dBm Unknown 3 f5 RPT4 MediumFast 2025-12-17 03:15:05 UTC View
Meshtastic 18a4 (18a4) -0.912s
Before 		Unknown Unknown 4 60 1760 MediumFast 2025-12-17 03:15:05 UTC View
Wake Up, Neo...📡 (NEO) -0.755s
Before 		-89.0 dBm 2.50 dB 4 88 POZ1 , 2b88 MediumFast 2025-12-17 03:15:05 UTC View
PXT_Home (PXT1) -0.575s
Before 		-120.0 dBm -10.25 dB 4 48 mfms MediumFast 2025-12-17 03:15:05 UTC View
Quixote_JS8_5🗼🌐 (QXT5) -0.003s
Before 		-114.0 dBm -3.50 dB 3 - MediumFast 2025-12-17 03:15:06 UTC View
MakeSpaceMadrid (MKS) +1.182s
After 		-98.0 dBm 9.75 dB 5 d1 MKS2 MediumFast 2025-12-17 03:15:07 UTC View
19

Total Receptions

19

Unique Gateways