Packet #27085280 Success

TELEMETRY_APP packet from COSLADA f1dc 🇪🇦🛰️ (f1dc) to !ffffffff

25
Total Receptions
25
Unique Gateways
4
Hop Count
28
Payload Bytes
Packet Information
Database ID: 27085280
Mesh Packet ID: 0xf2614a5f
Used for correlation across gateways
Timestamp: 2025-12-12 00:37:45 UTC
From Node: COSLADA f1dc 🇪🇦🛰️ (f1dc)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Karabanchel_Baldur (KarB)
Channel: MediumFast
RSSI: -77 dBm
SNR: 10.0 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Relay Node: 24 vid
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:100%
Voltage:4.20 V
Channel Usage:7.7%
Air Util TX:1.2%
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:!13280088
Channel:MediumFast
Payload Type:TELEMETRY_APP
Hop Count:4 / 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 !13280088
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 2661347804
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 4
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -77.0 dBm
Signal strength at gateway 		int32
rx_snr 10.00 dB
Signal quality at gateway 		float
rx_time 1765499865
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 36
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765499865.3492427
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 (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !13280088
Signal Metrics: RSSI: -77.0 dBm
SNR: 10.00 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": 1765499852, "device_metrics": { "battery_level": 100, "voltage": 4.198, "channel_utilization": 7.728333, "air_util_tx": 1.1906945, "uptime_seconds": 1266662 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!13280088", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2661347804, "to": 4294967295, "id": 4066462303, "rx_time": 1765499865, "rx_snr": 10.0, "rx_rssi": -77, "hop_limit": 0, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 36, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0dcc633b691215086415045686401d814ef74025ad68983f28e6a74d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1765499852, "device_metrics": { "battery_level": 100, "voltage": 4.198, "channel_utilization": 7.728333, "air_util_tx": 1.1906945, "uptime_seconds": 1266662 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0dcc633b691215086415045686401d814ef74025ad68983f28e6a74d
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
Karabanchel_Baldur (KarB) Primary 0.000s
Reference 		-77.0 dBm 10.00 dB 4 24 vid MediumFast 2025-12-12 00:37:45 UTC Current
ETH Gripen (ET39) -2.454s
Before 		-85.0 dBm -14.00 dB 2 b0 Vb2 MediumFast 2025-12-12 00:37:42 UTC View
Ocumare Norte🗼🌐 (RRN) -2.451s
Before 		-101.0 dBm -7.75 dB 2 b0 Vbm , Vb2 MediumFast 2025-12-12 00:37:42 UTC View
[samsepi0l] 📡🌐 (tlg0) -2.449s
Before 		-99.0 dBm -5.75 dB 2 b0 Vbm , PUPM , Vb2 MediumFast 2025-12-12 00:37:42 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -2.430s
Before 		-79.0 dBm 8.50 dB 2 b0 Vbm , Vb2 MediumFast 2025-12-12 00:37:42 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) -2.067s
Before 		-97.0 dBm 4.50 dB 2 b0 Vbm , Vb2 MediumFast 2025-12-12 00:37:43 UTC View
Wake Up, Neo...📡 (NEO) -1.815s
Before 		-107.0 dBm -8.50 dB 3 08 MediumFast 2025-12-12 00:37:43 UTC View
Mec Rocket Meco (MRM) -1.167s
Before 		-114.0 dBm -12.75 dB 3 fc 74fc , Anu2 MediumFast 2025-12-12 00:37:44 UTC View
Quixote_JS8_7 (QXT7) -1.047s
Before 		-18.0 dBm 11.25 dB 4 - MediumFast 2025-12-12 00:37:44 UTC View
Quixote_JS8_5🗼🌐 (QXT5) -1.045s
Before 		-114.0 dBm -7.75 dB 4 - MediumFast 2025-12-12 00:37:44 UTC View
Villarejo01 (VIL1) -1.021s
Before 		-116.0 dBm -10.75 dB 2 61 TO1 MediumFast 2025-12-12 00:37:44 UTC View
Fenix (FENX) -1.009s
Before 		-118.0 dBm -7.50 dB 2 61 TO1 MediumFast 2025-12-12 00:37:44 UTC View
Eagle’s Nest (EAGL) -0.682s
Before 		-114.0 dBm -4.75 dB 3 74 MediumFast 2025-12-12 00:37:44 UTC View
ETH Goose (ET03) -0.547s
Before 		-112.0 dBm -8.75 dB 3 72 Knb1 MediumFast 2025-12-12 00:37:44 UTC View
Varela Bot 🏡🤖 (🤖) -0.440s
Before 		-86.0 dBm 5.75 dB 3 1c 🏡 MediumFast 2025-12-12 00:37:44 UTC View
JAGO1_Cañaveral (JAGO) -0.290s
Before 		-118.0 dBm -9.75 dB 4 84 SNM , Ancr , 📡 MediumFast 2025-12-12 00:37:45 UTC View
Meshtastic b2b4📡🌐 (b2b4) -0.003s
Before 		-94.0 dBm 4.75 dB 4 24 vid MediumFast 2025-12-12 00:37:45 UTC View
mario (mmm) +0.147s
After 		-109.0 dBm -6.00 dB 4 24 vid MediumFast 2025-12-12 00:37:45 UTC View
Test_Skynet_01 (TS01) +0.240s
After 		-73.0 dBm 10.75 dB 4 24 vid MediumFast 2025-12-12 00:37:45 UTC View
srs-h3 📡🌐 (srs0) +0.269s
After 		-123.0 dBm -12.25 dB 4 24 vid MediumFast 2025-12-12 00:37:45 UTC View
Meshtastic ca85 (ca85) +0.284s
After 		-104.0 dBm -8.75 dB 4 24 vid MediumFast 2025-12-12 00:37:45 UTC View
tizon (Sylv) +0.291s
After 		-89.0 dBm 10.50 dB 4 24 vid MediumFast 2025-12-12 00:37:45 UTC View
Meshtastic 870c📡🌐 (870c) +0.297s
After 		-112.0 dBm -4.50 dB 4 24 vid MediumFast 2025-12-12 00:37:45 UTC View
Meshtastic 1760 (1760) +0.319s
After 		-122.0 dBm -3.25 dB 4 24 vid MediumFast 2025-12-12 00:37:45 UTC View
Getafe ☀️ (GTF) +0.471s
After 		-106.0 dBm 4.00 dB 4 24 vid MediumFast 2025-12-12 00:37:45 UTC View
25

Total Receptions

25

Unique Gateways