Packet #17998399 Success

NODEINFO_APP packet from VA7XRJ (7XRJ) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
71
Payload Bytes
Packet Information
Database ID: 17998399
Mesh Packet ID: 0xc9c75cea
Used for correlation across gateways
Timestamp: 2026-03-27 20:28:28 UTC
From Node: VA7XRJ (7XRJ)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: VE7DCX Repeater (7DCX)
Channel: ShortFast
RSSI: -48 dBm
SNR: 7.25 dBm
Hop Info: 0/7 hops
Start: 7, Limit: 7
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: 71 bytes
Decoded: Yes
Decoded Data:
Long Name:VA7XRJ
Short Name:7XRJ
Node ID:!9e75aaf4
MAC Address:8J6edar0
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:ShortFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e779694
Node ID format
channel_id ShortFast
packet MeshPacket (71 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2658511604
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 7
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -48.0 dBm
Signal strength at gateway
int32
rx_snr 7.25 dB
Signal quality at gateway
float
rx_time 1774643306
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 1774643308.2143786
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:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e779694
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -48.0 dBm
SNR: 7.25 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": "!9e75aaf4", "long_name": "VA7XRJ", "short_name": "7XRJ", "macaddr": "8J6edar0", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e779694", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2658511604, "to": 4294967295, "id": 3385285866, "rx_time": 1774643306, "rx_snr": 7.25, "rx_rssi": -48, "hop_limit": 7, "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": "0a09213965373561616634120656413758524a1a043758524a2206f09e9e75aaf4282b4220edde29a38f4e4adc66606ccc1c5b1b861ee3c01c4eed92ed6fe987c036a6fd484800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!9e75aaf4", "long_name": "VA7XRJ", "short_name": "7XRJ", "macaddr": "8J6edar0", "hw_model": "HELTEC_V3", "public_key": "7d4po49OStxmYGzMHFsbhh7jwBxO7ZLtb+mHwDam/Ug=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (71 bytes)
0a09213965373561616634120656413758524a1a043758524a2206f09e9e75aaf4282b4220edde29a38f4e4adc66606ccc1c5b1b861ee3c01c4eed92ed6fe987c036a6fd484800
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
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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
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:28 UTC Current
VE7DCX Repeater (7DCX) -1.547s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:26 UTC View
VE7DCX Repeater (7DCX) -1.466s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:26 UTC View
VE7DCX Repeater (7DCX) -1.418s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:26 UTC View
VE7DCX Repeater (7DCX) -1.365s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:26 UTC View
VE7DCX Repeater (7DCX) -1.274s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:26 UTC View
VE7DCX Repeater (7DCX) -1.221s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:26 UTC View
VE7DCX Repeater (7DCX) -1.173s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -1.107s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -1.072s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -1.041s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -1.005s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.960s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.872s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.843s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.815s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.768s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.685s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.633s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.570s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.469s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.391s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.337s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.290s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.259s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.221s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.186s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) -0.141s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) -0.105s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) -0.057s
Before
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.050s
After
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.113s
After
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.200s
After
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.235s
After
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.276s
After
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.315s
After
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.392s
After
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.504s
After
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.547s
After
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.588s
After
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.635s
After
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.701s
After
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.777s
After
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.820s
After
-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:29 UTC View
VE7DCX Repeater (7DCX) +0.902s
After
-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:29 UTC View
45

Total Receptions

1

Unique Gateways