Packet #17938532 Success

NODEINFO_APP packet from VA7KJL (7KJL) to !ffffffff

45
Total Receptions
1
Unique Gateways
1
Hop Count
71
Payload Bytes
Packet Information
Database ID: 17938532
Mesh Packet ID: 0x01222866
Used for correlation across gateways
Timestamp: 2026-03-27 16:55:04 UTC
From Node: VA7KJL (7KJL)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: VE7DCX Repeater (7DCX)
Channel: LongFast
RSSI: -106 dBm
SNR: -4.0 dBm
Hop Info: 1/7 hops
Start: 7, Limit: 6
Relay Node: f9 7MRP
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NODEINFO_APP
Size: 71 bytes
Decoded: Yes
Decoded Data:
Long Name:VA7KJL
Short Name:7KJL
Node ID:!e00ce548
MAC Address:mIjgDOVI
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:!9e779694
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:1 / 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 !9e779694
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (71 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3758941512
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 6
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 1
Calculated: hop_start - hop_limit
derived
rx_rssi -106.0 dBm
Signal strength at gateway
int32
rx_snr -4.00 dB
Signal quality at gateway
float
rx_time 1774630502
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 249
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774630504.065793
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 (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e779694
Signal Metrics: RSSI: -106.0 dBm
SNR: -4.00 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": "!e00ce548", "long_name": "VA7KJL", "short_name": "7KJL", "macaddr": "mIjgDOVI", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e779694", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3758941512, "to": 4294967295, "id": 19015782, "rx_time": 1774630502, "rx_snr": -4.0, "rx_rssi": -106, "hop_limit": 6, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 249, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921653030636535343812065641374b4a4c1a04374b4a4c22069888e00ce548282b4220d771a3b9f19c8a1a71d9b0278e54e9effb931a45644e5dadb7e7173136cdef5f4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!e00ce548", "long_name": "VA7KJL", "short_name": "7KJL", "macaddr": "mIjgDOVI", "hw_model": "HELTEC_V3", "public_key": "13GjufGcihpx2bAnjlTp7/uTGkVkTl2tt+cXMTbN718=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (71 bytes)
0a0921653030636535343812065641374b4a4c1a04374b4a4c22069888e00ce548282b4220d771a3b9f19c8a1a71d9b0278e54e9effb931a45644e5dadb7e7173136cdef5f4800
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
Loading...

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
VE7DCX Repeater (7DCX) Primary 0.000s
Reference
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:04 UTC Current
VE7DCX Repeater (7DCX) -0.234s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:03 UTC View
VE7DCX Repeater (7DCX) -0.198s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:03 UTC View
VE7DCX Repeater (7DCX) -0.172s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:03 UTC View
VE7DCX Repeater (7DCX) -0.149s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:03 UTC View
VE7DCX Repeater (7DCX) -0.124s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:03 UTC View
VE7DCX Repeater (7DCX) -0.082s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:03 UTC View
VE7DCX Repeater (7DCX) -0.050s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) -0.024s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.023s
After
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.048s
After
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.071s
After
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.091s
After
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.112s
After
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.139s
After
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.161s
After
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.192s
After
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.215s
After
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.238s
After
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.259s
After
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.280s
After
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.301s
After
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.321s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.342s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.367s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.392s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.416s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.437s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.457s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.478s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.498s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.520s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.544s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.567s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.590s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.612s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.632s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.653s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.674s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.696s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.719s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.742s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.765s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.787s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.808s
After
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:04 UTC View
45

Total Receptions

1

Unique Gateways