Packet #2524496 Success

TELEMETRY_APP packet from HGL9 - PD0ZZ - Hengelo Ov (HGL9) to !ffffffff

21
Total Receptions
9
Unique Gateways
2
Hop Count
28
Payload Bytes
Packet Information
Database ID: 2524496
Mesh Packet ID: 0xa6663ad2
Used for correlation across gateways
Timestamp: 2025-08-15 08:21:49 UTC
From Node: HGL9 - PD0ZZ - Hengelo Ov (HGL9)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Tuindorp Enschede Gateway 🌐🔌 (TDRG)
Channel: LongFast
RSSI: -120 dBm
SNR: -11.0 dBm
Hop Info: 2/7 hops
Start: 7, Limit: 5
Payload Data
Protocol: TELEMETRY_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:101%
Voltage:4.80 V
Channel Usage:1.8%
Air Util TX:1.1%
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:!433a9b64
Channel:LongFast
Payload Type:TELEMETRY_APP
Hop Count:2 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !433a9b64
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3926066804
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 5
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -120.0 dBm
Signal strength at gateway 		int32
rx_snr -11.00 dB
Signal quality at gateway 		float
rx_time 1755238907
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 Not set uint32
tx_after Not set uint32
timestamp 1755238909.2167625
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)
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !433a9b64
Signal Metrics: RSSI: -120.0 dBm
SNR: -11.00 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": 1755238899, "device_metrics": { "battery_level": 101, "voltage": 4.802, "channel_utilization": 1.8333333, "air_util_tx": 1.0856667, "uptime_seconds": 472465 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433a9b64", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3926066804, "to": 4294967295, "id": 2791717586, "rx_time": 1755238907, "rx_snr": -11.0, "rx_rssi": -120, "hop_limit": 5, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0df3d19e681215086515fca999401daaaaea3f2520f78a3f2891eb1c", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1755238899, "device_metrics": { "battery_level": 101, "voltage": 4.802, "channel_utilization": 1.8333333, "air_util_tx": 1.0856667, "uptime_seconds": 472465 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0df3d19e681215086515fca999401daaaaea3f2520f78a3f2891eb1c
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 Channel Timestamp Actions
Tuindorp Enschede Gateway 🌐🔌 (TDRG) Primary 0.000s
Reference 		-120.0 dBm -11.00 dB 2 LongFast 2025-08-15 08:21:49 Current
HGL0 - PD0ZZ - Hengelo Ov (HGL0) -6.548s
Before 		-65.0 dBm 6.50 dB 0 LongFast 2025-08-15 08:21:42 View
HGL0 - PD0ZZ - Hengelo Ov (HGL0) -6.413s
Before 		-65.0 dBm 6.50 dB 0 LongFast 2025-08-15 08:21:42 View
HGL0 - PD0ZZ - Hengelo Ov (HGL0) -6.401s
Before 		-65.0 dBm 6.50 dB 0 LongFast 2025-08-15 08:21:42 View
HGL0 - PD0ZZ - Hengelo Ov (HGL0) -6.388s
Before 		-65.0 dBm 6.50 dB 0 LongFast 2025-08-15 08:21:42 View
Renze 2 EORA-S3 (RN2) -2.005s
Before 		-127.0 dBm -16.50 dB 1 LongFast 2025-08-15 08:21:47 View
Renze 2 EORA-S3 (RN2) -1.986s
Before 		-127.0 dBm -16.50 dB 1 LongFast 2025-08-15 08:21:47 View
Renze 2 EORA-S3 (RN2) -1.972s
Before 		-127.0 dBm -16.50 dB 1 LongFast 2025-08-15 08:21:47 View
Renze 2 EORA-S3 (RN2) -1.960s
Before 		-127.0 dBm -16.50 dB 1 LongFast 2025-08-15 08:21:47 View
Meshtastic 7304 (7304) -1.670s
Before 		-120.0 dBm -14.75 dB 1 LongFast 2025-08-15 08:21:47 View
Bommelstein (2380) -1.536s
Before 		-128.0 dBm -18.75 dB 1 LongFast 2025-08-15 08:21:47 View
Tuindorp Enschede Gateway 🌐🔌 (TDRG) -0.161s
Before 		-120.0 dBm -11.00 dB 2 LongFast 2025-08-15 08:21:49 View
Tuindorp Enschede Gateway 🌐🔌 (TDRG) -0.026s
Before 		-120.0 dBm -11.00 dB 2 LongFast 2025-08-15 08:21:49 View
Tuindorp Enschede Gateway 🌐🔌 (TDRG) -0.014s
Before 		-120.0 dBm -11.00 dB 2 LongFast 2025-08-15 08:21:49 View
Terwinselen | Kerkrade | Netherlands (TKNB) +7.181s
After 		-121.0 dBm -6.25 dB 3 OpenChat 2025-08-15 08:21:56 View
Meshtastic 7c28 (7c28) +11.834s
After 		-132.0 dBm -13.00 dB 5 LongFast 2025-08-15 08:22:01 View
MT Node Pey (PEY) +16.517s
After 		-116.0 dBm -12.25 dB 7 LongFast 2025-08-15 08:22:05 View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB) +467.274s
After 		-128.0 dBm -13.75 dB 1 LongFast 2025-08-15 08:29:36 View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB) +467.408s
After 		-128.0 dBm -13.75 dB 1 LongFast 2025-08-15 08:29:36 View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB) +467.419s
After 		-128.0 dBm -13.75 dB 1 LongFast 2025-08-15 08:29:36 View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB) +467.431s
After 		-128.0 dBm -13.75 dB 1 LongFast 2025-08-15 08:29:36 View
21

Total Receptions

9

Unique Gateways