Packet #3437457 Success

NODEINFO_APP packet from Piano Tuner (Car) to JJ rooftop (jjrt)

18
Total Receptions
18
Unique Gateways
4
Hop Count
75
Payload Bytes
Packet Information
Database ID: 3437457
Mesh Packet ID: 0xa92f69f1
Used for correlation across gateways
Timestamp: 2025-12-11 16:43:33 UTC
From Node: Piano Tuner (Car)
To Node: JJ rooftop (jjrt)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Gemini (GMNI)
Channel: LongFast
RSSI: -125 dBm
SNR: -13.25 dBm
Hop Info: 4/7 hops
Start: 7, Limit: 3
Relay Node: c9 Penn
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: 75 bytes
Decoded: Yes
Decoded Data:
Long Name:Piano Tuner
Short Name:Car
Node ID:!b2a70448
MAC Address:gPGypwRI
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:75 bytes
Gateway:!9e75bfe0
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:4 / 7
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e75bfe0
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (75 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2997290056
Source node ID 		uint32
to 780487644
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 75 bytes size
hop_limit 3
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -125.0 dBm
Signal strength at gateway 		int32
rx_snr -13.25 dB
Signal quality at gateway 		float
rx_time 1765471549
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 201
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765471413.193632
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e75bfe0
Signal Metrics: RSSI: -125.0 dBm
SNR: -13.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:75 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!b2a70448", "long_name": "Piano Tuner", "short_name": "Car", "macaddr": "gPGypwRI", "hw_model": "HELTEC_V4" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e75bfe0", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2997290056, "to": 780487644, "id": 2838456817, "rx_time": 1765471549, "rx_snr": -13.25, "rx_rssi": -125, "hop_limit": 3, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 201, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216232613730343438120b5069616e6f2054756e65721a03436172220680f1b2a70448286e4220af04e669884ced11c8b7becbf4f0335636c6f74a28bce70d90ad3b1d1a4282424800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!b2a70448", "long_name": "Piano Tuner", "short_name": "Car", "macaddr": "gPGypwRI", "hw_model": "HELTEC_V4", "public_key": "rwTmaYhM7RHIt77L9PAzVjbG90oovOcNkK07HRpCgkI=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (75 bytes)
0a09216232613730343438120b5069616e6f2054756e65721a03436172220680f1b2a70448286e4220af04e669884ced11c8b7becbf4f0335636c6f74a28bce70d90ad3b1d1a4282424800
Hex Analysis:
Size:75 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
Gemini (GMNI) Primary 0.000s
Reference 		-125.0 dBm -13.25 dB 4 c9 Penn LongFast 2025-12-11 16:43:33 UTC Current
NorthHaledon - Dorothy (NHDO) -10.136s
Before 		-109.0 dBm -0.25 dB 1 4b LongFast 2025-12-11 16:43:23 UTC View
YMH 1 @ Your Mom’s House (YMH1) -2.507s
Before 		-114.0 dBm -14.50 dB 4 c9 Penn LongFast 2025-12-11 16:43:30 UTC View
K2XAP Gateway (XAPg) -2.404s
Before 		-110.0 dBm -9.00 dB 4 c9 Penn LongFast 2025-12-11 16:43:30 UTC View
ClaremontWx.net (CmWx) -2.302s
Before 		-78.0 dBm 3.50 dB 3 48 VYL0 , CWM1 LongFast 2025-12-11 16:43:30 UTC View
Meshtastic f5c8 (f5c8) -2.239s
Before 		-124.0 dBm -17.00 dB 4 c9 Penn LongFast 2025-12-11 16:43:30 UTC View
Izutsumi - seano@masto.nyc (izu) -2.050s
Before 		-86.0 dBm -2.75 dB 4 c9 Penn LongFast 2025-12-11 16:43:31 UTC View
Claudiopolis-440c (440c) -1.975s
Before 		-88.0 dBm -4.25 dB 4 c9 Penn , JLX3 LongFast 2025-12-11 16:43:31 UTC View
1 MW 1 West Side | https://nyme.sh (1MW1) -1.536s
Before 		-104.0 dBm -3.00 dB 4 c9 Penn LongFast 2025-12-11 16:43:31 UTC View
MeshM0xie (M0x) -0.546s
Before 		-26.0 dBm 7.00 dB 5 8d Mox1 LongFast 2025-12-11 16:43:32 UTC View
Sunset Soda (p8p) +0.059s
After 		-125.0 dBm -16.00 dB 4 57 CmWx LongFast 2025-12-11 16:43:33 UTC View
25 Washington Ave (25WA) +0.573s
After 		-77.0 dBm -10.00 dB 5 7b 4b7b LongFast 2025-12-11 16:43:33 UTC View
Whole Foods Market UES (WFMK) +0.870s
After 		-114.0 dBm -11.25 dB 5 7b 4b7b LongFast 2025-12-11 16:43:34 UTC View
K2XAP / nyme.sh (XAP) +1.148s
After 		-39.0 dBm 5.50 dB 4 57 CmWx LongFast 2025-12-11 16:43:34 UTC View
Fried Fish FF1 (FF1) +1.479s
After 		-81.0 dBm 0.75 dB 5 40 BRRN LongFast 2025-12-11 16:43:34 UTC View
Mobile Fish 4 (MF4) +2.132s
After 		-113.0 dBm -10.00 dB 5 40 LongFast 2025-12-11 16:43:35 UTC View
Meshtastic 631c (GRBH) +3.920s
After 		-107.0 dBm -17.75 dB 7 2d 🪟 LongFast 2025-12-11 16:43:37 UTC View
DRP0 Astoria (DRP0) +30.516s
After 		-74.0 dBm -4.25 dB 7 b2 😴 , CBZ1 LongFast 2025-12-11 16:44:03 UTC View
18

Total Receptions

18

Unique Gateways