Packet #17736566 Success

TELEMETRY_APP packet from VA3FYF (da8a) to !ffffffff

45
Total Receptions
1
Unique Gateways
3
Hop Count
28
Payload Bytes
Packet Information
Database ID: 17736566
Mesh Packet ID: 0xd8584749
Used for correlation across gateways
Timestamp: 2026-03-27 06:37:12 UTC
From Node: VA3FYF (da8a)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Seri Base d120 (SRB)
Channel: LongFast
RSSI: -61 dBm
SNR: 4.75 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Relay Node: 10 KWBX
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:101%
Voltage:4.16 V
Channel Usage:2.1%
Air Util TX:1.3%
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:!16ced120
Channel:LongFast
Payload Type:TELEMETRY_APP
Hop Count:3 / 3
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 !16ced120
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 1730730634
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 3
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi -61.0 dBm
Signal strength at gateway
int32
rx_snr 4.75 dB
Signal quality at gateway
float
rx_time 1774593432
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 16
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774593432.9789274
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 (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !16ced120
Signal Metrics: RSSI: -61.0 dBm
SNR: 4.75 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": 1774593425, "device_metrics": { "battery_level": 101, "voltage": 4.164, "channel_utilization": 2.0533333, "air_util_tx": 1.3278056, "uptime_seconds": 43576 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!16ced120", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1730730634, "to": 4294967295, "id": 3629664073, "rx_time": 1774593432, "rx_snr": 4.75, "rx_rssi": -61, "hop_limit": 0, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 16, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d9125c66912150865157d3f85401dd06903402589f5a93f28b8d402", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1774593425, "device_metrics": { "battery_level": 101, "voltage": 4.164, "channel_utilization": 2.0533333, "air_util_tx": 1.3278056, "uptime_seconds": 43576 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0d9125c66912150865157d3f85401dd06903402589f5a93f28b8d402
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
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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
Seri Base d120 (SRB) Primary 0.000s
Reference
-61.0 dBm 4.75 dB 3 10 KWBX LongFast 2026-03-27 06:37:12 UTC Current
Seri Base d120 (SRB) -0.155s
Before
-61.0 dBm 4.75 dB 3 10 KWBX LongFast 2026-03-27 06:37:12 UTC View
Seri Base d120 (SRB) -0.129s
Before
-61.0 dBm 4.75 dB 3 10 KWBX LongFast 2026-03-27 06:37:12 UTC View
Seri Base d120 (SRB) -0.097s
Before
-61.0 dBm 4.75 dB 3 10 KWBX LongFast 2026-03-27 06:37:12 UTC View
Seri Base d120 (SRB) -0.061s
Before
-61.0 dBm 4.75 dB 3 10 KWBX LongFast 2026-03-27 06:37:12 UTC View
Seri Base d120 (SRB) -0.022s
Before
-61.0 dBm 4.75 dB 3 10 KWBX LongFast 2026-03-27 06:37:12 UTC View
Seri Base d120 (SRB) +0.020s
After
-61.0 dBm 4.75 dB 3 10 KWBX LongFast 2026-03-27 06:37:12 UTC View
Seri Base d120 (SRB) +0.041s
After
-61.0 dBm 4.75 dB 3 10 KWBX LongFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.061s
After
-61.0 dBm 4.75 dB 3 10 KWBX LongFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.081s
After
-61.0 dBm 4.75 dB 3 10 KWBX LongFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.110s
After
-61.0 dBm 4.75 dB 3 10 KWBX LongFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.135s
After
-61.0 dBm 4.75 dB 3 10 KWBX MediumFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.161s
After
-61.0 dBm 4.75 dB 3 10 KWBX MediumFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.183s
After
-61.0 dBm 4.75 dB 3 10 KWBX MediumFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.203s
After
-61.0 dBm 4.75 dB 3 10 KWBX MediumFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.224s
After
-61.0 dBm 4.75 dB 3 10 KWBX MediumFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.244s
After
-61.0 dBm 4.75 dB 3 10 KWBX MediumFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.264s
After
-61.0 dBm 4.75 dB 3 10 KWBX MediumFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.287s
After
-61.0 dBm 4.75 dB 3 10 KWBX MediumFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.310s
After
-61.0 dBm 4.75 dB 3 10 KWBX MediumFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.333s
After
-61.0 dBm 4.75 dB 3 10 KWBX MediumFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.355s
After
-61.0 dBm 4.75 dB 3 10 KWBX MediumFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.376s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.397s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.418s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.439s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.460s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.480s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.500s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.523s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.557s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.581s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.611s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortFast 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.636s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortTurbo 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.667s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortTurbo 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.695s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortTurbo 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.719s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortTurbo 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.741s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortTurbo 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.765s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortTurbo 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.791s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortTurbo 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.819s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortTurbo 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.846s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortTurbo 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.873s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortTurbo 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.904s
After
-61.0 dBm 4.75 dB 3 10 KWBX ShortTurbo 2026-03-27 06:37:13 UTC View
Seri Base d120 (SRB) +0.928s
After
-61.0 dBm 4.75 dB 3 10 KWBX LongFast 2026-03-27 06:37:13 UTC View
45

Total Receptions

1

Unique Gateways