Packet #17998392 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: 17998392
Mesh Packet ID: 0xc9c75cea
Used for correlation across gateways
Timestamp: 2026-03-27 20:28:27 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 1774643307.9240751
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

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 20:28:27 UTC Current
VE7DCX Repeater (7DCX) -1.257s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:26 UTC View
VE7DCX Repeater (7DCX) -1.175s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:26 UTC View
VE7DCX Repeater (7DCX) -1.128s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:26 UTC View
VE7DCX Repeater (7DCX) -1.075s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:26 UTC View
VE7DCX Repeater (7DCX) -0.984s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:26 UTC View
VE7DCX Repeater (7DCX) -0.930s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:26 UTC View
VE7DCX Repeater (7DCX) -0.882s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.817s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.781s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.751s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.714s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ LongFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.669s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.582s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.552s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.525s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.478s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.395s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.343s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.279s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.179s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.100s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) -0.046s
Before 		-48.0 dBm 7.25 dB 0 f4 7XRJ MediumFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) +0.031s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) +0.069s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:27 UTC View
VE7DCX Repeater (7DCX) +0.104s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.150s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.185s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.234s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.290s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.340s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.404s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.490s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortFast 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.526s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.566s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.605s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.682s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.794s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.837s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.878s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.925s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +0.991s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +1.068s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:28 UTC View
VE7DCX Repeater (7DCX) +1.110s
After 		-48.0 dBm 7.25 dB 0 f4 7XRJ ShortTurbo 2026-03-27 20:28:29 UTC View
VE7DCX Repeater (7DCX) +1.193s
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