Packet #39144210 Success

NODEINFO_APP packet from Core-TasticCA (CTCA) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
78
Payload Bytes
Packet Information
Database ID: 39144210
Mesh Packet ID: 0x3c939b1a
Used for correlation across gateways
Timestamp: 2026-05-15 11:44:19 UTC
From Node: Core-TasticCA (CTCA)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: WYK Mesh Node T114 (WT14)
Channel: MediumFast
RSSI: -55 dBm
SNR: 6.75 dBm
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: 54 CTCA
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: 78 bytes
Decoded: Yes
Decoded Data:
Long Name:Core-TasticCA
Short Name:CTCA
Node ID:!b2a7ea54
MAC Address:gPGyp+pU
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:78 bytes
Gateway:!958ac8b7
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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 !958ac8b7
Node ID format
channel_id MediumFast
packet MeshPacket (78 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2997348948
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 78 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 -55.0 dBm
Signal strength at gateway 		int32
rx_snr 6.75 dB
Signal quality at gateway 		float
rx_time 1778845456
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 84
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1778845459.2279747
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: MediumFast
  • ✓ 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: !958ac8b7
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -55.0 dBm
SNR: 6.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:78 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!b2a7ea54", "long_name": "Core-TasticCA", "short_name": "CTCA", "macaddr": "gPGyp+pU", "hw_model": "HELTEC_V4" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!958ac8b7", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2997348948, "to": 4294967295, "id": 1016306458, "rx_time": 1778845456, "rx_snr": 6.75, "rx_rssi": -55, "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": 84, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216232613765613534120d436f72652d54617374696343411a0443544341220680f1b2a7ea54286e4220dc9b3062047591a704f285b16e2d8bb7083ae5ef1d5fb21ab4b23a32e168834c4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!b2a7ea54", "long_name": "Core-TasticCA", "short_name": "CTCA", "macaddr": "gPGyp+pU", "hw_model": "HELTEC_V4", "public_key": "3JswYgR1kacE8oWxbi2Ltwg65e8dX7IatLI6MuFog0w=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (78 bytes)
0a09216232613765613534120d436f72652d54617374696343411a0443544341220680f1b2a7ea54286e4220dc9b3062047591a704f285b16e2d8bb7083ae5ef1d5fb21ab4b23a32e168834c4800
Hex Analysis:
Size:78 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
WYK Mesh Node T114 (WT14) Primary 0.000s
Reference 		-55.0 dBm 6.75 dB 0 54 CTCA MediumFast 2026-05-15 11:44:19 UTC Current
WYK Mesh Node T114 (WT14) -0.402s
Before 		-55.0 dBm 6.75 dB 0 54 CTCA LongFast 2026-05-15 11:44:18 UTC View
WYK Mesh Node T114 (WT14) -0.378s
Before 		-55.0 dBm 6.75 dB 0 54 CTCA LongFast 2026-05-15 11:44:18 UTC View
WYK Mesh Node T114 (WT14) -0.347s
Before 		-55.0 dBm 6.75 dB 0 54 CTCA LongFast 2026-05-15 11:44:18 UTC View
WYK Mesh Node T114 (WT14) -0.301s
Before 		-55.0 dBm 6.75 dB 0 54 CTCA LongFast 2026-05-15 11:44:18 UTC View
WYK Mesh Node T114 (WT14) -0.255s
Before 		-55.0 dBm 6.75 dB 0 54 CTCA LongFast 2026-05-15 11:44:18 UTC View
WYK Mesh Node T114 (WT14) -0.224s
Before 		-55.0 dBm 6.75 dB 0 54 CTCA LongFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) -0.180s
Before 		-55.0 dBm 6.75 dB 0 54 CTCA LongFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) -0.150s
Before 		-55.0 dBm 6.75 dB 0 54 CTCA LongFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) -0.104s
Before 		-55.0 dBm 6.75 dB 0 54 CTCA LongFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) -0.079s
Before 		-55.0 dBm 6.75 dB 0 54 CTCA LongFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) -0.051s
Before 		-55.0 dBm 6.75 dB 0 54 CTCA LongFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) -0.024s
Before 		-55.0 dBm 6.75 dB 0 54 CTCA MediumFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.024s
After 		-55.0 dBm 6.75 dB 0 54 CTCA MediumFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.048s
After 		-55.0 dBm 6.75 dB 0 54 CTCA MediumFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.072s
After 		-55.0 dBm 6.75 dB 0 54 CTCA MediumFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.094s
After 		-55.0 dBm 6.75 dB 0 54 CTCA MediumFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.116s
After 		-55.0 dBm 6.75 dB 0 54 CTCA MediumFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.138s
After 		-55.0 dBm 6.75 dB 0 54 CTCA MediumFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.159s
After 		-55.0 dBm 6.75 dB 0 54 CTCA MediumFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.184s
After 		-55.0 dBm 6.75 dB 0 54 CTCA MediumFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.208s
After 		-55.0 dBm 6.75 dB 0 54 CTCA MediumFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.232s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.256s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.277s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.299s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.321s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.342s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.366s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.390s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.414s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.437s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.459s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortFast 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.481s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortTurbo 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.503s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortTurbo 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.524s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortTurbo 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.548s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortTurbo 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.572s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortTurbo 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.596s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortTurbo 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.619s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortTurbo 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.641s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortTurbo 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.668s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortTurbo 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.690s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortTurbo 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.711s
After 		-55.0 dBm 6.75 dB 0 54 CTCA ShortTurbo 2026-05-15 11:44:19 UTC View
WYK Mesh Node T114 (WT14) +0.736s
After 		-55.0 dBm 6.75 dB 0 54 CTCA LongFast 2026-05-15 11:44:19 UTC View
45

Total Receptions

1

Unique Gateways