Packet #18017136 Success

NODEINFO_APP packet from VE7MRP Repeater (7MRP) to !ffffffff

45
Total Receptions
1
Unique Gateways
1
Hop Count
82
Payload Bytes
Packet Information
Database ID: 18017136
Mesh Packet ID: 0xd7cd99c7
Used for correlation across gateways
Timestamp: 2026-03-27 21:34:44 UTC
From Node: VE7MRP Repeater (7MRP)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: VE7DCX Repeater (7DCX)
Channel: LongFast
RSSI: -49 dBm
SNR: 6.25 dBm
Hop Info: 1/7 hops
Start: 7, Limit: 6
Relay Node: f4 7XRJ
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: 82 bytes
Decoded: Yes
Decoded Data:
Long Name:VE7MRP Repeater
Short Name:7MRP
Node ID:!48b7cbf9
MAC Address:z4hIt8v5
Hardware:RAK4631
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:82 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 (82 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1220004857
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 82 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 -49.0 dBm
Signal strength at gateway
int32
rx_snr 6.25 dB
Signal quality at gateway
float
rx_time 1774647283
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 244
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774647284.33565
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: -49.0 dBm
SNR: 6.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:82 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!48b7cbf9", "long_name": "VE7MRP Repeater", "short_name": "7MRP", "macaddr": "z4hIt8v5", "hw_model": "RAK4631" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e779694", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1220004857, "to": 4294967295, "id": 3620575687, "rx_time": 1774647283, "rx_snr": 6.25, "rx_rssi": -49, "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": 244, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213438623763626639120f5645374d52502052657065617465721a04374d52502206cf8848b7cbf9280938024220753a60d2646532ccc7bba4da6bf7062e24df691d5bbedd8ae1738fa64c2f56334800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!48b7cbf9", "long_name": "VE7MRP Repeater", "short_name": "7MRP", "macaddr": "z4hIt8v5", "hw_model": "RAK4631", "role": "ROUTER", "public_key": "dTpg0mRlMszHu6Taa/cGLiTfaR1bvt2K4XOPpkwvVjM=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (82 bytes)
0a09213438623763626639120f5645374d52502052657065617465721a04374d52502206cf8848b7cbf9280938024220753a60d2646532ccc7bba4da6bf7062e24df691d5bbedd8ae1738fa64c2f56334800
Hex Analysis:
Size:82 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
VE7DCX Repeater (7DCX) Primary 0.000s
Reference
-49.0 dBm 6.25 dB 1 f4 7XRJ LongFast 2026-03-27 21:34:44 UTC Current
VE7DCX Repeater (7DCX) -0.057s
Before
-49.0 dBm 6.25 dB 1 f4 7XRJ LongFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) -0.021s
Before
-49.0 dBm 6.25 dB 1 f4 7XRJ LongFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.022s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ LongFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.055s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ LongFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.078s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ LongFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.100s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ LongFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.123s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ LongFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.144s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ LongFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.165s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ LongFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.186s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ LongFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.207s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ MediumFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.228s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ MediumFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.249s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ MediumFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.270s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ MediumFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.303s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ MediumFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.331s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ MediumFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.357s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ MediumFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.388s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ MediumFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.414s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ MediumFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.439s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ MediumFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.463s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ MediumFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.485s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.508s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.531s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.562s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.588s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.616s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.645s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortFast 2026-03-27 21:34:44 UTC View
VE7DCX Repeater (7DCX) +0.671s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortFast 2026-03-27 21:34:45 UTC View
VE7DCX Repeater (7DCX) +0.699s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortFast 2026-03-27 21:34:45 UTC View
VE7DCX Repeater (7DCX) +0.729s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortFast 2026-03-27 21:34:45 UTC View
VE7DCX Repeater (7DCX) +0.758s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortFast 2026-03-27 21:34:45 UTC View
VE7DCX Repeater (7DCX) +0.782s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortTurbo 2026-03-27 21:34:45 UTC View
VE7DCX Repeater (7DCX) +0.819s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortTurbo 2026-03-27 21:34:45 UTC View
VE7DCX Repeater (7DCX) +0.849s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortTurbo 2026-03-27 21:34:45 UTC View
VE7DCX Repeater (7DCX) +0.884s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortTurbo 2026-03-27 21:34:45 UTC View
VE7DCX Repeater (7DCX) +0.932s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortTurbo 2026-03-27 21:34:45 UTC View
VE7DCX Repeater (7DCX) +0.983s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortTurbo 2026-03-27 21:34:45 UTC View
VE7DCX Repeater (7DCX) +1.029s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortTurbo 2026-03-27 21:34:45 UTC View
VE7DCX Repeater (7DCX) +1.083s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortTurbo 2026-03-27 21:34:45 UTC View
VE7DCX Repeater (7DCX) +1.121s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortTurbo 2026-03-27 21:34:45 UTC View
VE7DCX Repeater (7DCX) +1.154s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortTurbo 2026-03-27 21:34:45 UTC View
VE7DCX Repeater (7DCX) +1.186s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ ShortTurbo 2026-03-27 21:34:45 UTC View
VE7DCX Repeater (7DCX) +1.301s
After
-49.0 dBm 6.25 dB 1 f4 7XRJ LongFast 2026-03-27 21:34:45 UTC View
45

Total Receptions

1

Unique Gateways