Packet #27875355 Success

TELEMETRY_APP packet from 2zz ☀ (03bb) to !ffffffff

19
Total Receptions
19
Unique Gateways
3
Hop Count
17
Payload Bytes
Packet Information
Database ID: 27875355
Mesh Packet ID: 0x74ca8e33
Used for correlation across gateways
Timestamp: 2025-12-15 18:50:28 UTC
From Node: 2zz ☀ (03bb)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Villalbilla02 (VBV2)
Channel: MediumFast
RSSI: -114 dBm
SNR: -5.0 dBm
Hop Info: 3/4 hops
Start: 4, Limit: 1
Relay Node: b0 Vb2
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:
Temperature:13.0°C
Pressure:938.7 hPa
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:!26223cf8
Channel:MediumFast
Payload Type:TELEMETRY_APP
Hop Count:3 / 4
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 !26223cf8
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 1761936315
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 1
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -114.0 dBm
Signal strength at gateway 		int32
rx_snr -5.00 dB
Signal quality at gateway 		float
rx_time 1765824631
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 1765824628.1473017
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: !26223cf8
Signal Metrics: RSSI: -114.0 dBm
SNR: -5.00 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": 1765824689, "environment_metrics": { "temperature": 13.0, "barometric_pressure": 938.6863 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!26223cf8", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1761936315, "to": 4294967295, "id": 1959431731, "rx_time": 1765824631, "rx_snr": -5.0, "rx_rssi": -114, "hop_limit": 1, "hop_start": 4, "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": "0db15840691a0a0d000050411decab6a44", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1765824689, "environment_metrics": { "temperature": 13.0, "barometric_pressure": 938.6863 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (17 bytes)
0db15840691a0a0d000050411decab6a44
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
Villalbilla02 (VBV2) Primary 0.000s
Reference 		-114.0 dBm -5.00 dB 3 b0 Vb2 MediumFast 2025-12-15 18:50:28 UTC Current
Karabanchel_Baldur (KarB) -1.750s
Before 		-95.0 dBm 0.50 dB 0 bb 03bb MediumFast 2025-12-15 18:50:26 UTC View
srs-h3 📡🌐 (srs0) -1.486s
Before 		-124.0 dBm -12.75 dB 0 bb 03bb MediumFast 2025-12-15 18:50:26 UTC View
Fenix (FENX) -1.359s
Before 		-118.0 dBm -11.25 dB 0 bb 03bb MediumFast 2025-12-15 18:50:26 UTC View
Meshtastic b2b4📡🌐 (b2b4) -1.073s
Before 		-116.0 dBm -9.25 dB 1 88 KarB MediumFast 2025-12-15 18:50:27 UTC View
tizon (Sylv) -0.694s
Before 		-121.0 dBm -13.00 dB 1 5d 🥖 MediumFast 2025-12-15 18:50:27 UTC View
Eagle’s Nest (EAGL) -0.620s
Before 		-109.0 dBm 0.75 dB 1 a4 Raq1 MediumFast 2025-12-15 18:50:27 UTC View
Venturada2🗼🌐☀️ (Vb2) -0.440s
Before 		-112.0 dBm -12.25 dB 2 cb RPT5 MediumFast 2025-12-15 18:50:27 UTC View
Ocumare Norte🗼🌐 (RRN) -0.229s
Before 		-104.0 dBm -8.50 dB 3 b0 Vbm , Vb2 MediumFast 2025-12-15 18:50:27 UTC View
JPL73B4_Node (JPL4) -0.225s
Before 		-109.0 dBm -10.50 dB 3 b0 Vbm , Vb2 MediumFast 2025-12-15 18:50:27 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -0.204s
Before 		-81.0 dBm 6.50 dB 3 b0 Vbm , Vb2 MediumFast 2025-12-15 18:50:27 UTC View
Meshtastic 870c📡🌐 (870c) -0.050s
Before 		-96.0 dBm 8.75 dB 2 dc d0dc MediumFast 2025-12-15 18:50:28 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) +0.157s
After 		-98.0 dBm -2.00 dB 3 b0 Vbm , Vb2 MediumFast 2025-12-15 18:50:28 UTC View
JPL73B2_Node (JPL2) +0.192s
After 		-95.0 dBm -9.75 dB 3 b0 Vbm , Vb2 MediumFast 2025-12-15 18:50:28 UTC View
JAGO1_Cañaveral (JAGO) +0.503s
After 		-118.0 dBm -9.00 dB 4 84 SNM , Ancr , 📡 MediumFast 2025-12-15 18:50:28 UTC View
Villarejo01 (VIL1) +0.950s
After 		-34.0 dBm 11.25 dB 3 c6 d5c6 MediumFast 2025-12-15 18:50:29 UTC View
P3 iGate 🏠🌐 (P3N2) +1.204s
After 		-36.0 dBm 11.75 dB 4 25 P3N1 MediumFast 2025-12-15 18:50:29 UTC View
PXT_Home (PXT1) +1.444s
After 		-109.0 dBm 0.75 dB 4 48 mfms MediumFast 2025-12-15 18:50:29 UTC View
Mikasa 🧣 📟 (🧣) +1.982s
After 		-84.0 dBm Unknown 4 dc f1dc MediumFast 2025-12-15 18:50:30 UTC View
19

Total Receptions

19

Unique Gateways