Packet #39641913 Success

NODEINFO_APP packet from js0094 (js94) to !ffffffff

46
Total Receptions
2
Unique Gateways
4
Hop Count
71
Payload Bytes
Packet Information
Database ID: 39641913
Mesh Packet ID: 0x17a372e4
Used for correlation across gateways
Timestamp: 2026-05-16 15:47:13 UTC
From Node: js0094 (js94)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Mechanicus Alpha (M1)
Channel: ShortFast
RSSI: -118 dBm
SNR: -16.5 dBm
Hop Info: 4/5 hops
Start: 5, Limit: 1
Relay Node: ce
Last byte of the last hop that relayed this packet
Payload Data
Protocol: NODEINFO_APP
Size: 71 bytes
Decoded: Yes
Decoded Data:
Long Name:js0094
Short Name:js94
Node ID:!849a0094
MAC Address:sIGEmgCU
Hardware:HELTEC_V3
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:71 bytes
Gateway:!433e868c
Channel:ShortFast
Payload Type:NODEINFO_APP
Hop Count:4 / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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 !433e868c
Node ID format
channel_id ShortFast
packet MeshPacket (71 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2224685204
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 71 bytes size
hop_limit 1
Remaining hops allowed
uint32
hop_start 5
Initial hop limit
uint32
hops_taken 4
Calculated: hop_start - hop_limit
derived
rx_rssi -118.0 dBm
Signal strength at gateway
int32
rx_snr -16.50 dB
Signal quality at gateway
float
rx_time 1778946431
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 206
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778946433.6728935
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: ShortFast
  • ✓ 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: !433e868c
Signal Metrics: RSSI: -118.0 dBm
SNR: -16.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:71 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!849a0094", "long_name": "js0094", "short_name": "js94", "macaddr": "sIGEmgCU", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433e868c", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2224685204, "to": 4294967295, "id": 396587748, "rx_time": 1778946431, "rx_snr": -16.5, "rx_rssi": -118, "hop_limit": 1, "hop_start": 5, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 206, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921383439613030393412066a73303039341a046a7339342206b081849a0094282b4220682e9ef99574cd81ac0ac0e7eda5a4b79f75ba7be91cd6ec2b44ce9ffa52ea014800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!849a0094", "long_name": "js0094", "short_name": "js94", "macaddr": "sIGEmgCU", "hw_model": "HELTEC_V3", "public_key": "aC6e+ZV0zYGsCsDn7aWkt591unvpHNbsK0TOn/pS6gE=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (71 bytes)
0a0921383439613030393412066a73303039341a046a7339342206b081849a0094282b4220682e9ef99574cd81ac0ac0e7eda5a4b79f75ba7be91cd6ec2b44ce9ffa52ea014800
Hex Analysis:
Size:71 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
Mechanicus Alpha (M1) Primary 0.000s
Reference
-118.0 dBm -16.50 dB 4 ce ShortFast 2026-05-16 15:47:13 UTC Current
Mechanicus Alpha (M1) -0.704s
Before
-118.0 dBm -16.50 dB 4 ce LongFast 2026-05-16 15:47:12 UTC View
Mechanicus Alpha (M1) -0.682s
Before
-118.0 dBm -16.50 dB 4 ce LongFast 2026-05-16 15:47:12 UTC View
Mechanicus Alpha (M1) -0.661s
Before
-118.0 dBm -16.50 dB 4 ce LongFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.641s
Before
-118.0 dBm -16.50 dB 4 ce LongFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.621s
Before
-118.0 dBm -16.50 dB 4 ce LongFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.586s
Before
-118.0 dBm -16.50 dB 4 ce LongFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.563s
Before
-118.0 dBm -16.50 dB 4 ce LongFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.541s
Before
-118.0 dBm -16.50 dB 4 ce LongFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.519s
Before
-118.0 dBm -16.50 dB 4 ce LongFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.498s
Before
-118.0 dBm -16.50 dB 4 ce LongFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.477s
Before
-118.0 dBm -16.50 dB 4 ce LongFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.457s
Before
-118.0 dBm -16.50 dB 4 ce MediumFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.436s
Before
-118.0 dBm -16.50 dB 4 ce MediumFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.412s
Before
-118.0 dBm -16.50 dB 4 ce MediumFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.389s
Before
-118.0 dBm -16.50 dB 4 ce MediumFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.363s
Before
-118.0 dBm -16.50 dB 4 ce MediumFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.338s
Before
-118.0 dBm -16.50 dB 4 ce MediumFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.322s
Before
-118.0 dBm -16.50 dB 4 ce MediumFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.299s
Before
-118.0 dBm -16.50 dB 4 ce MediumFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.277s
Before
-118.0 dBm -16.50 dB 4 ce MediumFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.256s
Before
-118.0 dBm -16.50 dB 4 ce MediumFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.232s
Before
-118.0 dBm -16.50 dB 4 ce MediumFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.207s
Before
-118.0 dBm -16.50 dB 4 ce ShortFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.183s
Before
-118.0 dBm -16.50 dB 4 ce ShortFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.159s
Before
-118.0 dBm -16.50 dB 4 ce ShortFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.137s
Before
-118.0 dBm -16.50 dB 4 ce ShortFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.116s
Before
-118.0 dBm -16.50 dB 4 ce ShortFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.097s
Before
-118.0 dBm -16.50 dB 4 ce ShortFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.076s
Before
-118.0 dBm -16.50 dB 4 ce ShortFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.046s
Before
-118.0 dBm -16.50 dB 4 ce ShortFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) -0.023s
Before
-118.0 dBm -16.50 dB 4 ce ShortFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) +0.022s
After
-118.0 dBm -16.50 dB 4 ce ShortFast 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) +0.043s
After
-118.0 dBm -16.50 dB 4 ce ShortTurbo 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) +0.064s
After
-118.0 dBm -16.50 dB 4 ce ShortTurbo 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) +0.085s
After
-118.0 dBm -16.50 dB 4 ce ShortTurbo 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) +0.107s
After
-118.0 dBm -16.50 dB 4 ce ShortTurbo 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) +0.130s
After
-118.0 dBm -16.50 dB 4 ce ShortTurbo 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) +0.154s
After
-118.0 dBm -16.50 dB 4 ce ShortTurbo 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) +0.177s
After
-118.0 dBm -16.50 dB 4 ce ShortTurbo 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) +0.199s
After
-118.0 dBm -16.50 dB 4 ce ShortTurbo 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) +0.221s
After
-118.0 dBm -16.50 dB 4 ce ShortTurbo 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) +0.242s
After
-118.0 dBm -16.50 dB 4 ce ShortTurbo 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) +0.263s
After
-118.0 dBm -16.50 dB 4 ce ShortTurbo 2026-05-16 15:47:13 UTC View
Mechanicus Alpha (M1) +0.287s
After
-118.0 dBm -16.50 dB 4 ce LongFast 2026-05-16 15:47:13 UTC View
lidman2 (lid2) +0.866s
After
-123.0 dBm -11.25 dB 4 ce LongFast 2026-05-16 15:47:14 UTC View
46

Total Receptions

2

Unique Gateways