Packet #28149074 Success

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

25
Total Receptions
25
Unique Gateways
2
Hop Count
28
Payload Bytes
Packet Information
Database ID: 28149074
Mesh Packet ID: 0x81d421e0
Used for correlation across gateways
Timestamp: 2025-12-16 23:05:02 UTC
From Node: POZUELO CALATRAVA - MANCHASTIC ☀️ (PZCV)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: [samsepi0l] 📡🌐 (tlg0)
Channel: MediumFast
RSSI: -87 dBm
SNR: 3.5 dBm
Hop Info: 2/5 hops
Start: 5, Limit: 3
Relay Node: 48 SMR1
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: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:90%
Voltage:4.06 V
Channel Usage:4.1%
Air Util TX:0.6%
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:!69828c38
Channel:MediumFast
Payload Type:TELEMETRY_APP
Hop Count:2 / 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 !69828c38
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 3
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -87.0 dBm
Signal strength at gateway 		int32
rx_snr 3.50 dB
Signal quality at gateway 		float
rx_time 1765926301
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 1765926302.4419346
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: !69828c38
Signal Metrics: RSSI: -87.0 dBm
SNR: 3.50 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": 1765926329, "device_metrics": { "battery_level": 90, "voltage": 4.059, "channel_utilization": 4.0916667, "air_util_tx": 0.59625, "uptime_seconds": 1787663 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!69828c38", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 765424030, "to": 4294967295, "id": 2178163168, "rx_time": 1765926301, "rx_snr": 3.5, "rx_rssi": -87, "hop_limit": 3, "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": "0db9e541691215085a1554e381401defee824025d7a3183f288f8e6d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1765926329, "device_metrics": { "battery_level": 90, "voltage": 4.059, "channel_utilization": 4.0916667, "air_util_tx": 0.59625, "uptime_seconds": 1787663 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0db9e541691215085a1554e381401defee824025d7a3183f288f8e6d
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
[samsepi0l] 📡🌐 (tlg0) Primary 0.000s
Reference 		-87.0 dBm 3.50 dB 2 48 SMR1 MediumFast 2025-12-16 23:05:02 UTC Current
🎄 SkG@Home 📡🌐 (SkGH) -0.485s
Before 		-93.0 dBm -5.50 dB 1 61 TO1 MediumFast 2025-12-16 23:05:01 UTC View
Meshtastic 26b0 (26b0) -0.473s
Before 		-87.0 dBm 7.50 dB 1 61 TO1 MediumFast 2025-12-16 23:05:01 UTC View
ETH Maverick (ET01) -0.231s
Before 		-108.0 dBm -5.50 dB 1 61 TO1 MediumFast 2025-12-16 23:05:02 UTC View
Fenix (FENX) -0.130s
Before 		-118.0 dBm -12.00 dB 1 61 TO1 MediumFast 2025-12-16 23:05:02 UTC View
Eagle’s Nest (EAGL) -0.019s
Before 		-99.0 dBm 7.50 dB 2 48 SMR1 MediumFast 2025-12-16 23:05:02 UTC View
Ocumare Norte🗼🌐 (RRN) +0.003s
After 		-102.0 dBm -10.75 dB 2 b0 Vbm , 26b0 MediumFast 2025-12-16 23:05:02 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) +0.046s
After 		-83.0 dBm 6.75 dB 2 b0 Vbm , 26b0 MediumFast 2025-12-16 23:05:02 UTC View
P3 iGate 🏠🌐 (P3N2) +0.157s
After 		-40.0 dBm 11.25 dB 2 25 P3N1 MediumFast 2025-12-16 23:05:02 UTC View
Villalbilla02 (VBV2) +0.313s
After 		-122.0 dBm -12.50 dB 2 b0 26b0 MediumFast 2025-12-16 23:05:02 UTC View
Karabanchel_Baldur (KarB) +0.364s
After 		-106.0 dBm -9.25 dB 2 88 KarB , FENX MediumFast 2025-12-16 23:05:02 UTC View
Meshtastic 1760 (1760) +0.383s
After 		-133.0 dBm -11.75 dB 2 b0 26b0 MediumFast 2025-12-16 23:05:02 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) +0.417s
After 		-104.0 dBm -6.00 dB 2 b0 Vbm , 26b0 MediumFast 2025-12-16 23:05:02 UTC View
Meshtastic 18a4 (18a4) +0.766s
After 		Unknown Unknown 3 60 1760 MediumFast 2025-12-16 23:05:03 UTC View
🤖 Nicolas Cage 🌐 (Cage) +0.885s
After 		-122.0 dBm -11.50 dB 3 26 suno MediumFast 2025-12-16 23:05:03 UTC View
ETH Goose (ET03) +0.980s
After 		-35.0 dBm 11.00 dB 2 41 ET01 MediumFast 2025-12-16 23:05:03 UTC View
Quixote_JS8_5🗼🌐 (QXT5) +1.097s
After 		-115.0 dBm -13.50 dB 3 - MediumFast 2025-12-16 23:05:03 UTC View
Quixote_JS8_7 (QXT7) +1.099s
After 		-18.0 dBm 11.25 dB 3 - MediumFast 2025-12-16 23:05:03 UTC View
Ortem 🚀 ☀ (2b88) +1.157s
After 		-100.0 dBm -11.75 dB 3 f5 RPT4 MediumFast 2025-12-16 23:05:03 UTC View
flau pruebas (🏐) +1.216s
After 		-94.0 dBm 8.00 dB 3 f5 RPT4 MediumFast 2025-12-16 23:05:03 UTC View
PXT_Home (PXT1) +1.727s
After 		-108.0 dBm 1.25 dB 3 11 BAS1 MediumFast 2025-12-16 23:05:04 UTC View
Wake Up, Neo...📡 (NEO) +1.880s
After 		-90.0 dBm 4.50 dB 4 88 2b88 MediumFast 2025-12-16 23:05:04 UTC View
JAGO1_Cañaveral (JAGO) +1.885s
After 		-108.0 dBm -0.75 dB 4 ab Hch MediumFast 2025-12-16 23:05:04 UTC View
Meshtastic 870c📡🌐 (870c) +2.346s
After 		-96.0 dBm 8.75 dB 4 dc d0dc MediumFast 2025-12-16 23:05:04 UTC View
MakeSpaceMadrid (MKS) +3.867s
After 		-96.0 dBm 9.75 dB 5 d1 MKS2 MediumFast 2025-12-16 23:05:06 UTC View
25

Total Receptions

25

Unique Gateways