Packet #39825093 Success

NODEINFO_APP packet from VE4ACD #2 (📡) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
74
Payload Bytes
Packet Information
Database ID: 39825093
Mesh Packet ID: 0x4a6e5d16
Used for correlation across gateways
Timestamp: 2026-05-17 03:04:26 UTC
From Node: VE4ACD #2 (📡)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Brandon South (YBR1)
Channel: ShortFast
RSSI: -108 dBm
SNR: -17.75 dBm
Hop Info: 0/4 hops
Start: 4, Limit: 4
Relay Node: None
Payload Data
Protocol: NODEINFO_APP
Size: 74 bytes
Decoded: Yes
Decoded Data:
Long Name:VE4ACD #2
Short Name:📡
Node ID:!699c7e40
MAC Address:kHBpnH5A
Hardware:HELTEC_V4
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:74 bytes
Gateway:!a2ebb39c
Channel:ShortFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 2 more...
Exposure Risks:
âš  Visible to all nodes on channel
âš  Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a2ebb39c
Node ID format
channel_id ShortFast
packet MeshPacket (74 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1771863616
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 74 bytes size
hop_limit 4
Remaining hops allowed
uint32
hop_start 4
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -108.0 dBm
Signal strength at gateway
int32
rx_snr -17.75 dB
Signal quality at gateway
float
rx_time 1778987063
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 Not set uint32
tx_after Not set uint32
timestamp 1778987066.1949189
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • âš  Visible to all nodes on channel
  • âš  Packet visible to MQTT subscribers
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a2ebb39c
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -108.0 dBm
SNR: -17.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:74 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!699c7e40", "long_name": "VE4ACD #2", "short_name": "📡", "macaddr": "kHBpnH5A", "hw_model": "HELTEC_V4" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a2ebb39c", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1771863616, "to": 4294967295, "id": 1248746774, "rx_time": 1778987063, "rx_snr": -17.75, "rx_rssi": -108, "hop_limit": 4, "hop_start": 4, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921363939633765343012095645344143442023321a04f09f93a122069070699c7e40286e422007c233963700322d38a660adee8eaf58c2896a51a411dbe05e0eb1aa495c137c4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!699c7e40", "long_name": "VE4ACD #2", "short_name": "📡", "macaddr": "kHBpnH5A", "hw_model": "HELTEC_V4", "public_key": "B8IzljcAMi04pmCt7o6vWMKJalGkEdvgXg6xqklcE3w=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (74 bytes)
0a0921363939633765343012095645344143442023321a04f09f93a122069070699c7e40286e422007c233963700322d38a660adee8eaf58c2896a51a411dbe05e0eb1aa495c137c4800
Hex Analysis:
Size:74 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
Brandon South (YBR1) Primary 0.000s
Reference
-108.0 dBm -17.75 dB 0 - ShortFast 2026-05-17 03:04:26 UTC Current
Brandon South (YBR1) -1.805s
Before
-108.0 dBm -17.75 dB 0 - LongFast 2026-05-17 03:04:24 UTC View
Brandon South (YBR1) -1.370s
Before
-108.0 dBm -17.75 dB 0 - LongFast 2026-05-17 03:04:24 UTC View
Brandon South (YBR1) -1.340s
Before
-108.0 dBm -17.75 dB 0 - LongFast 2026-05-17 03:04:24 UTC View
Brandon South (YBR1) -1.314s
Before
-108.0 dBm -17.75 dB 0 - LongFast 2026-05-17 03:04:24 UTC View
Brandon South (YBR1) -1.286s
Before
-108.0 dBm -17.75 dB 0 - LongFast 2026-05-17 03:04:24 UTC View
Brandon South (YBR1) -1.260s
Before
-108.0 dBm -17.75 dB 0 - LongFast 2026-05-17 03:04:24 UTC View
Brandon South (YBR1) -1.235s
Before
-108.0 dBm -17.75 dB 0 - LongFast 2026-05-17 03:04:24 UTC View
Brandon South (YBR1) -1.198s
Before
-108.0 dBm -17.75 dB 0 - LongFast 2026-05-17 03:04:24 UTC View
Brandon South (YBR1) -1.170s
Before
-108.0 dBm -17.75 dB 0 - LongFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -1.139s
Before
-108.0 dBm -17.75 dB 0 - LongFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -1.115s
Before
-108.0 dBm -17.75 dB 0 - LongFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -1.092s
Before
-108.0 dBm -17.75 dB 0 - MediumFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -1.069s
Before
-108.0 dBm -17.75 dB 0 - MediumFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -1.043s
Before
-108.0 dBm -17.75 dB 0 - MediumFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -1.015s
Before
-108.0 dBm -17.75 dB 0 - MediumFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -0.511s
Before
-108.0 dBm -17.75 dB 0 - MediumFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -0.469s
Before
-108.0 dBm -17.75 dB 0 - MediumFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -0.436s
Before
-108.0 dBm -17.75 dB 0 - MediumFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -0.407s
Before
-108.0 dBm -17.75 dB 0 - MediumFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -0.372s
Before
-108.0 dBm -17.75 dB 0 - MediumFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -0.340s
Before
-108.0 dBm -17.75 dB 0 - MediumFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -0.314s
Before
-108.0 dBm -17.75 dB 0 - MediumFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -0.283s
Before
-108.0 dBm -17.75 dB 0 - ShortFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -0.258s
Before
-108.0 dBm -17.75 dB 0 - ShortFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -0.229s
Before
-108.0 dBm -17.75 dB 0 - ShortFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -0.203s
Before
-108.0 dBm -17.75 dB 0 - ShortFast 2026-05-17 03:04:25 UTC View
Brandon South (YBR1) -0.168s
Before
-108.0 dBm -17.75 dB 0 - ShortFast 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) -0.141s
Before
-108.0 dBm -17.75 dB 0 - ShortFast 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) -0.116s
Before
-108.0 dBm -17.75 dB 0 - ShortFast 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) -0.094s
Before
-108.0 dBm -17.75 dB 0 - ShortFast 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) -0.070s
Before
-108.0 dBm -17.75 dB 0 - ShortFast 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) -0.043s
Before
-108.0 dBm -17.75 dB 0 - ShortFast 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) +0.039s
After
-108.0 dBm -17.75 dB 0 - ShortTurbo 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) +0.073s
After
-108.0 dBm -17.75 dB 0 - ShortTurbo 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) +0.119s
After
-108.0 dBm -17.75 dB 0 - ShortTurbo 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) +0.156s
After
-108.0 dBm -17.75 dB 0 - ShortTurbo 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) +0.177s
After
-108.0 dBm -17.75 dB 0 - ShortTurbo 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) +0.204s
After
-108.0 dBm -17.75 dB 0 - ShortTurbo 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) +0.235s
After
-108.0 dBm -17.75 dB 0 - ShortTurbo 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) +0.259s
After
-108.0 dBm -17.75 dB 0 - ShortTurbo 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) +0.287s
After
-108.0 dBm -17.75 dB 0 - ShortTurbo 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) +0.312s
After
-108.0 dBm -17.75 dB 0 - ShortTurbo 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) +0.342s
After
-108.0 dBm -17.75 dB 0 - ShortTurbo 2026-05-17 03:04:26 UTC View
Brandon South (YBR1) +0.367s
After
-108.0 dBm -17.75 dB 0 - LongFast 2026-05-17 03:04:26 UTC View
45

Total Receptions

1

Unique Gateways