Packet #18019268 Success

NODEINFO_APP packet from VC2 to !ffffffff

45
Total Receptions
1
Unique Gateways
1
Hop Count
69
Payload Bytes
Packet Information
Database ID: 18019268
Mesh Packet ID: 0x234775f3
Used for correlation across gateways
Timestamp: 2026-03-27 21:41:31 UTC
From Node: VC2 (3438)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: FourSisters (4sis)
Channel: ShortFast
RSSI: -100 dBm
SNR: 0.5 dBm
Hop Info: 1/7 hops
Start: 7, Limit: 6
Relay Node: a0
Last byte of the last hop that relayed this packet
Payload Data
Protocol: NODEINFO_APP
Size: 69 bytes
Decoded: Yes
Decoded Data:
Long Name:VC2
Short Name:VC2
Node ID:!336a3438
MAC Address:ZOgzajQ4
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:69 bytes
Gateway:!a0cb14e8
Channel:ShortFast
Payload Type:NODEINFO_APP
Hop Count:1 / 7
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 !a0cb14e8
Node ID format
channel_id ShortFast
packet MeshPacket (69 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 862598200
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 69 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 -100.0 dBm
Signal strength at gateway
int32
rx_snr 0.50 dB
Signal quality at gateway
float
rx_time 1774647688
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 160
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774647691.2725575
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 (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a0cb14e8
Signal Metrics: RSSI: -100.0 dBm
SNR: 0.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:69 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!336a3438", "long_name": "VC2", "short_name": "VC2", "macaddr": "ZOgzajQ4", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0cb14e8", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 862598200, "to": 4294967295, "id": 591885811, "rx_time": 1774647688, "rx_snr": 0.5, "rx_rssi": -100, "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": 160, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921333336613334333812035643321a03564332220664e8336a3438282b3801422078d248f4b7701509161abf18726f80c65c1060bfa47e8ecfa1eed4f323f87a724800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!336a3438", "long_name": "VC2", "short_name": "VC2", "macaddr": "ZOgzajQ4", "hw_model": "HELTEC_V3", "role": "CLIENT_MUTE", "public_key": "eNJI9LdwFQkWGr8Ycm+AxlwQYL+kfo7Poe7U8yP4enI=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (69 bytes)
0a0921333336613334333812035643321a03564332220664e8336a3438282b3801422078d248f4b7701509161abf18726f80c65c1060bfa47e8ecfa1eed4f323f87a724800
Hex Analysis:
Size:69 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
FourSisters (4sis) Primary 0.000s
Reference
-100.0 dBm 0.50 dB 1 a0 ShortFast 2026-03-27 21:41:31 UTC Current
FourSisters (4sis) -0.682s
Before
-100.0 dBm 0.50 dB 1 a0 LongFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.649s
Before
-100.0 dBm 0.50 dB 1 a0 LongFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.627s
Before
-100.0 dBm 0.50 dB 1 a0 LongFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.606s
Before
-100.0 dBm 0.50 dB 1 a0 LongFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.586s
Before
-100.0 dBm 0.50 dB 1 a0 LongFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.565s
Before
-100.0 dBm 0.50 dB 1 a0 LongFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.542s
Before
-100.0 dBm 0.50 dB 1 a0 LongFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.519s
Before
-100.0 dBm 0.50 dB 1 a0 LongFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.497s
Before
-100.0 dBm 0.50 dB 1 a0 LongFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.475s
Before
-100.0 dBm 0.50 dB 1 a0 LongFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.455s
Before
-100.0 dBm 0.50 dB 1 a0 LongFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.435s
Before
-100.0 dBm 0.50 dB 1 a0 MediumFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.415s
Before
-100.0 dBm 0.50 dB 1 a0 MediumFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.394s
Before
-100.0 dBm 0.50 dB 1 a0 MediumFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.372s
Before
-100.0 dBm 0.50 dB 1 a0 MediumFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.349s
Before
-100.0 dBm 0.50 dB 1 a0 MediumFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.327s
Before
-100.0 dBm 0.50 dB 1 a0 MediumFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.306s
Before
-100.0 dBm 0.50 dB 1 a0 MediumFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.286s
Before
-100.0 dBm 0.50 dB 1 a0 MediumFast 2026-03-27 21:41:30 UTC View
FourSisters (4sis) -0.266s
Before
-100.0 dBm 0.50 dB 1 a0 MediumFast 2026-03-27 21:41:31 UTC View
FourSisters (4sis) -0.246s
Before
-100.0 dBm 0.50 dB 1 a0 MediumFast 2026-03-27 21:41:31 UTC View
FourSisters (4sis) -0.222s
Before
-100.0 dBm 0.50 dB 1 a0 MediumFast 2026-03-27 21:41:31 UTC View
FourSisters (4sis) -0.199s
Before
-100.0 dBm 0.50 dB 1 a0 ShortFast 2026-03-27 21:41:31 UTC View
FourSisters (4sis) -0.177s
Before
-100.0 dBm 0.50 dB 1 a0 ShortFast 2026-03-27 21:41:31 UTC View
FourSisters (4sis) -0.153s
Before
-100.0 dBm 0.50 dB 1 a0 ShortFast 2026-03-27 21:41:31 UTC View
FourSisters (4sis) -0.130s
Before
-100.0 dBm 0.50 dB 1 a0 ShortFast 2026-03-27 21:41:31 UTC View
FourSisters (4sis) -0.110s
Before
-100.0 dBm 0.50 dB 1 a0 ShortFast 2026-03-27 21:41:31 UTC View
FourSisters (4sis) -0.089s
Before
-100.0 dBm 0.50 dB 1 a0 ShortFast 2026-03-27 21:41:31 UTC View
FourSisters (4sis) -0.068s
Before
-100.0 dBm 0.50 dB 1 a0 ShortFast 2026-03-27 21:41:31 UTC View
FourSisters (4sis) -0.046s
Before
-100.0 dBm 0.50 dB 1 a0 ShortFast 2026-03-27 21:41:31 UTC View
FourSisters (4sis) -0.023s
Before
-100.0 dBm 0.50 dB 1 a0 ShortFast 2026-03-27 21:41:31 UTC View
FourSisters (4sis) +0.024s
After
-100.0 dBm 0.50 dB 1 a0 ShortFast 2026-03-27 21:41:31 UTC View
FourSisters (4sis) +0.045s
After
-100.0 dBm 0.50 dB 1 a0 ShortTurbo 2026-03-27 21:41:31 UTC View
FourSisters (4sis) +0.065s
After
-100.0 dBm 0.50 dB 1 a0 ShortTurbo 2026-03-27 21:41:31 UTC View
FourSisters (4sis) +0.085s
After
-100.0 dBm 0.50 dB 1 a0 ShortTurbo 2026-03-27 21:41:31 UTC View
FourSisters (4sis) +0.118s
After
-100.0 dBm 0.50 dB 1 a0 ShortTurbo 2026-03-27 21:41:31 UTC View
FourSisters (4sis) +0.139s
After
-100.0 dBm 0.50 dB 1 a0 ShortTurbo 2026-03-27 21:41:31 UTC View
FourSisters (4sis) +0.162s
After
-100.0 dBm 0.50 dB 1 a0 ShortTurbo 2026-03-27 21:41:31 UTC View
FourSisters (4sis) +0.184s
After
-100.0 dBm 0.50 dB 1 a0 ShortTurbo 2026-03-27 21:41:31 UTC View
FourSisters (4sis) +0.206s
After
-100.0 dBm 0.50 dB 1 a0 ShortTurbo 2026-03-27 21:41:31 UTC View
FourSisters (4sis) +0.226s
After
-100.0 dBm 0.50 dB 1 a0 ShortTurbo 2026-03-27 21:41:31 UTC View
FourSisters (4sis) +0.247s
After
-100.0 dBm 0.50 dB 1 a0 ShortTurbo 2026-03-27 21:41:31 UTC View
FourSisters (4sis) +0.267s
After
-100.0 dBm 0.50 dB 1 a0 ShortTurbo 2026-03-27 21:41:31 UTC View
FourSisters (4sis) +0.290s
After
-100.0 dBm 0.50 dB 1 a0 LongFast 2026-03-27 21:41:31 UTC View
45

Total Receptions

1

Unique Gateways