Packet #17938540 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: 17938540
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: MediumFast
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:MediumFast
Payload Type:NODEINFO_APP
Hop Count:1 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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 !9e779694
Node ID format
channel_id MediumFast
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 1774630504.2578056
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: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ 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": "MediumFast", "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 MediumFast 2026-03-27 16:55:04 UTC Current
VE7DCX Repeater (7DCX) -0.426s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:03 UTC View
VE7DCX Repeater (7DCX) -0.390s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:03 UTC View
VE7DCX Repeater (7DCX) -0.364s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:03 UTC View
VE7DCX Repeater (7DCX) -0.341s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:03 UTC View
VE7DCX Repeater (7DCX) -0.316s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:03 UTC View
VE7DCX Repeater (7DCX) -0.274s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:03 UTC View
VE7DCX Repeater (7DCX) -0.242s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) -0.216s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) -0.192s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) -0.169s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) -0.144s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP LongFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) -0.121s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) -0.101s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) -0.080s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) -0.053s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) -0.031s
Before
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.023s
After
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.046s
After
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.067s
After
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.088s
After
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.109s
After
-106.0 dBm -4.00 dB 1 f9 7MRP MediumFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.129s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.150s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.175s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.200s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.224s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.245s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.265s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.286s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.306s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.328s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.352s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortFast 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.375s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.398s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.420s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.440s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.461s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.482s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.504s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.527s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.550s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.573s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.595s
After
-106.0 dBm -4.00 dB 1 f9 7MRP ShortTurbo 2026-03-27 16:55:04 UTC View
VE7DCX Repeater (7DCX) +0.616s
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