Packet #13133835 Success

TELEMETRY_APP packet from Chamartin_Solar🗼☀️ (Chmt) to !ffffffff

24
Total Receptions
16
Unique Gateways
2
Hop Count
29
Payload Bytes
Packet Information
Database ID: 13133835
Mesh Packet ID: 0x25a919b0
Used for correlation across gateways
Timestamp: 2025-10-01 17:50:51 UTC
From Node: Chamartin_Solar🗼☀️ (Chmt)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Meshtastic 2688 (2688)
Channel: MediumSlow
RSSI: -117 dBm
SNR: -1.5 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: TELEMETRY_APP
Size: 29 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:96%
Voltage:4.14 V
Channel Usage:18.1%
Air Util TX:2.2%
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:29 bytes
Gateway:!f9b02688
Channel:MediumSlow
Payload Type:TELEMETRY_APP
Hop Count:2 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 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 !f9b02688
Node ID format
channel_id MediumSlow
packet MeshPacket (29 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2035064309
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 67
TELEMETRY_APP 		enum
decoded.payload_length 29 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -117.0 dBm
Signal strength at gateway 		int32
rx_snr -1.50 dB
Signal quality at gateway 		float
rx_time 1759340966
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 86
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759341051.2530563
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: MediumSlow
  • ✓ 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: !f9b02688
Signal Metrics: RSSI: -117.0 dBm
SNR: -1.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:29 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1759340924, "device_metrics": { "battery_level": 96, "voltage": 4.138, "channel_utilization": 18.111668, "air_util_tx": 2.2391388, "uptime_seconds": 2289081 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!f9b02688", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2035064309, "to": 4294967295, "id": 631839152, "rx_time": 1759340966, "rx_snr": -1.5, "rx_rssi": -117, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 86, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d7c69dd6812160860157f6a84401db2e49041250d4e0f4028b9db8b01", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1759340924, "device_metrics": { "battery_level": 96, "voltage": 4.138, "channel_utilization": 18.111668, "air_util_tx": 2.2391388, "uptime_seconds": 2289081 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (29 bytes)
0d7c69dd6812160860157f6a84401db2e49041250d4e0f4028b9db8b01
Hex Analysis:
Size:29 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 Channel Timestamp Actions
Meshtastic 2688 (2688) Primary 0.000s
Reference 		-117.0 dBm -1.50 dB 2 MediumSlow 2025-10-01 17:50:51 Current
Perseo 📡🌐☀ (nvm1) -85.221s
Before 		-90.0 dBm 3.50 dB 0 MediumSlow 2025-10-01 17:49:26 View
Baldur Fijo (BalF) -84.906s
Before 		-121.0 dBm -12.25 dB 0 MediumSlow 2025-10-01 17:49:26 View
Venturada2🗼🌐☀️ (Vb2) -84.197s
Before 		-101.0 dBm -3.00 dB 0 MediumSlow 2025-10-01 17:49:27 View
[TLG] 📡🌐🔋🔌 (tlg0) -83.713s
Before 		-124.0 dBm -18.00 dB 0 MediumSlow 2025-10-01 17:49:27 View
EA5GHE-09 (58a8) -83.711s
Before 		-105.0 dBm -15.25 dB 1 MediumSlow 2025-10-01 17:49:27 View
Monolito (MoN) -83.011s
Before 		-67.0 dBm 8.00 dB 2 MediumSlow 2025-10-01 17:49:28 View
Trasto 🐰 Va (trva) -82.803s
Before 		-117.0 dBm -14.00 dB 2 MediumSlow 2025-10-01 17:49:28 View
Meshtastic 870c📡🌐 (870c) -81.690s
Before 		-95.0 dBm 2.25 dB 3 MediumSlow 2025-10-01 17:49:29 View
EA4HTS Ventas 🗼🇪🇸 (HTSv) -81.554s
Before 		-116.0 dBm -8.25 dB 3 MediumSlow 2025-10-01 17:49:29 View
Machu Pichu (MaPi) -80.082s
Before 		-103.0 dBm -5.25 dB 1 MediumSlow 2025-10-01 17:49:31 View
Ventilla 📡🌐 (VENT) -78.995s
Before 		-120.0 dBm -13.75 dB 2 MediumSlow 2025-10-01 17:49:32 View
Aldinra_7298_🗼 (AldP) -68.522s
Before 		-105.0 dBm -14.25 dB 3 MediumSlow 2025-10-01 17:49:42 View
Meshtastic 1760 (1760) -67.927s
Before 		-121.0 dBm -16.25 dB 3 MediumSlow 2025-10-01 17:49:43 View
Meshtastic 18a4 (18a4) -67.911s
Before 		-115.0 dBm -9.50 dB 3 MediumSlow 2025-10-01 17:49:43 View
Meshtastic 2688 (2688) +35.035s
After 		-117.0 dBm -1.50 dB 2 MediumSlow 2025-10-01 17:51:26 View
Meshtastic 2688 (2688) +48.041s
After 		-117.0 dBm -1.50 dB 2 MediumSlow 2025-10-01 17:51:39 View
Meshtastic 2688 (2688) +60.048s
After 		-117.0 dBm -1.50 dB 2 MediumSlow 2025-10-01 17:51:51 View
Meshtastic 2688 (2688) +77.061s
After 		-117.0 dBm -1.50 dB 2 MediumSlow 2025-10-01 17:52:08 View
Meshtastic 2688 (2688) +94.071s
After 		-117.0 dBm -1.50 dB 2 MediumSlow 2025-10-01 17:52:25 View
Kenobi23 QTH (5aec) +464.187s
After 		-117.0 dBm -12.50 dB 1 MediumSlow 2025-10-01 17:58:35 View
Kenobi23 QTH (5aec) +493.208s
After 		-117.0 dBm -12.50 dB 1 MediumSlow 2025-10-01 17:59:04 View
Kenobi23 QTH (5aec) +516.226s
After 		-117.0 dBm -12.50 dB 1 MediumSlow 2025-10-01 17:59:27 View
Kenobi23 QTH (5aec) +524.243s
After 		-117.0 dBm -12.50 dB 1 MediumSlow 2025-10-01 17:59:35 View
24

Total Receptions

16

Unique Gateways