Packet #28230312 Success

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

23
Total Receptions
23
Unique Gateways
2
Hop Count
17
Payload Bytes
Packet Information
Database ID: 28230312
Mesh Packet ID: 0x5a52360e
Used for correlation across gateways
Timestamp: 2025-12-17 08:21:22 UTC
From Node: POZUELO CALATRAVA - MANCHASTIC ☀️ (PZCV)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: XiaoWatt c4c8 🌐🔌 (c4c8)
Channel: MediumFast
RSSI: -88 dBm
SNR: -2.5 dBm
Hop Info: 2/5 hops
Start: 5, Limit: 3
Relay Node: b0 Vbm , 26b0
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:!3387c4c8
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 !3387c4c8
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

FieldValueType
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 3
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -88.0 dBm
Signal strength at gateway 		int32
rx_snr -2.50 dB
Signal quality at gateway 		float
rx_time 1765959681
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 176
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765959682.9120085
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: !3387c4c8
Signal Metrics: RSSI: -88.0 dBm
SNR: -2.50 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": 1765959710, "environment_metrics": { "voltage": 4.248, "current": -8.0 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!3387c4c8", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 765424030, "to": 4294967295, "id": 1515337230, "rx_time": 1765959681, "rx_snr": -2.5, "rx_rssi": -88, "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": 176, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d1e6842691a0a2d9eef874035000000c1", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1765959710, "environment_metrics": { "voltage": 4.248, "current": -8.0 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (17 bytes)
0d1e6842691a0a2d9eef874035000000c1
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
XiaoWatt c4c8 🌐🔌 (c4c8) Primary 0.000s
Reference 		-88.0 dBm -2.50 dB 2 b0 Vbm , 26b0 MediumFast 2025-12-17 08:21:22 UTC Current
Meshtastic 26b0 (26b0) -0.362s
Before 		-87.0 dBm 1.50 dB 1 61 TO1 MediumFast 2025-12-17 08:21:22 UTC View
ETH Maverick (ET01) -0.069s
Before 		-107.0 dBm -7.25 dB 1 61 TO1 MediumFast 2025-12-17 08:21:22 UTC View
Ocumare Norte🗼🌐 (RRN) -0.059s
Before 		-105.0 dBm -11.00 dB 2 b0 Vbm , 26b0 MediumFast 2025-12-17 08:21:22 UTC View
Fenix (FENX) +0.036s
After 		-118.0 dBm -13.25 dB 1 61 TO1 MediumFast 2025-12-17 08:21:22 UTC View
P3 iGate 🏠🌐 (P3N2) +0.085s
After 		-38.0 dBm 10.75 dB 2 25 P3N1 MediumFast 2025-12-17 08:21:22 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) +0.310s
After 		-99.0 dBm -0.25 dB 2 b0 Vbm , 26b0 MediumFast 2025-12-17 08:21:23 UTC View
Eagle’s Nest (EAGL) +0.325s
After 		-110.0 dBm -0.50 dB 2 74 MediumFast 2025-12-17 08:21:23 UTC View
Karabanchel_Baldur (KarB) +0.414s
After 		-93.0 dBm 0.50 dB 2 2d SkyB MediumFast 2025-12-17 08:21:23 UTC View
Meshtastic b2b4📡🌐 (b2b4) +0.417s
After 		-109.0 dBm -7.50 dB 2 2d SkyB MediumFast 2025-12-17 08:21:23 UTC View
[samsepi0l] 📡🌐 (tlg0) +0.526s
After 		-97.0 dBm -2.25 dB 2 - MediumFast 2025-12-17 08:21:23 UTC View
🤖 Nicolas Cage 🌐 (Cage) +0.653s
After 		-70.0 dBm 11.25 dB 2 2d SkyB MediumFast 2025-12-17 08:21:23 UTC View
JAGO1_Cañaveral (JAGO) +0.713s
After 		Unknown 11.00 dB 3 70 JAG2 MediumFast 2025-12-17 08:21:23 UTC View
ETH Goose (ET03) +0.726s
After 		-34.0 dBm 11.25 dB 2 41 ET01 MediumFast 2025-12-17 08:21:23 UTC View
tizon (Sylv) +0.791s
After 		-114.0 dBm -5.50 dB 2 2d SkyB MediumFast 2025-12-17 08:21:23 UTC View
Villarejo01 (VIL1) +0.951s
After 		-34.0 dBm 10.50 dB 2 c6 d5c6 MediumFast 2025-12-17 08:21:23 UTC View
Quixote_JS8_5🗼🌐 (QXT5) +1.196s
After 		-114.0 dBm -7.50 dB 3 - MediumFast 2025-12-17 08:21:24 UTC View
Quixote_JS8_7 (QXT7) +1.202s
After 		-18.0 dBm 11.00 dB 3 - MediumFast 2025-12-17 08:21:24 UTC View
Meshtastic 1760 (1760) +1.567s
After 		-117.0 dBm -1.25 dB 3 f5 RPT4 MediumFast 2025-12-17 08:21:24 UTC View
Varela Bot 🏡🤖 (🤖) +1.928s
After 		-81.0 dBm 8.00 dB 3 1c 🏡 MediumFast 2025-12-17 08:21:24 UTC View
Meshtastic 18a4 (18a4) +3.353s
After 		-62.0 dBm 14.00 dB 4 60 1760 MediumFast 2025-12-17 08:21:26 UTC View
Meshtastic 870c📡🌐 (870c) +3.847s
After 		-94.0 dBm 8.25 dB 4 dc d0dc MediumFast 2025-12-17 08:21:26 UTC View
Quass001 ☄️ (Q001) +3.880s
After 		-50.0 dBm 11.25 dB 4 3a Q005 MediumFast 2025-12-17 08:21:26 UTC View
23

Total Receptions

23

Unique Gateways