Packet #39489176 Success

POSITION_APP packet from meshy tama's very excellent mesh node (MTVE) to !ffffffff

46
Total Receptions
2
Unique Gateways
0
Hop Count
37
Payload Bytes
Packet Information
Database ID: 39489176
Mesh Packet ID: 0x6c214287
Used for correlation across gateways
Timestamp: 2026-05-16 07:48:14 UTC
From Node: meshy tama's very excellent mesh node (MTVE)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Seri Base d120 (SRB)
Channel: ShortFast
RSSI: -56 dBm
SNR: 7.0 dBm
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: e5 MTVE
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: POSITION_APP
Size: 37 bytes
Decoded: Yes
Decoded Data:
Latitude:43.417600°
Longitude:-80.537190°
Altitude:385 m
Satellites:7
Precision:15 bits
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:37 bytes
Gateway:!16ced120
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 3 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 !16ced120
Node ID format
channel_id ShortFast
packet MeshPacket (37 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 228327141
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 37 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 -56.0 dBm
Signal strength at gateway
int32
rx_snr 7.00 dB
Signal quality at gateway
float
rx_time 1778917693
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 229
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778917694.511693
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
  • ✓ Reduced position precision: ~729.0m accuracy
  • ✓ 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: !16ced120
Position Precision: 15 bits (~729.0m accuracy)
Position precision meters: 729.0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -56.0 dBm
SNR: 7.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:37 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.4176, "longitude": -80.5371904, "altitude": 385, "sats_in_view": 7, "precision_bits": 15 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!16ced120", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 228327141, "to": 4294967295, "id": 1814119047, "rx_time": 1778917693, "rx_snr": 7.0, "rx_rssi": -56, "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": 229, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000e119150000ffcf188103256a21086a280258d20278048001d09af310980107b8010f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 434176000, "longitude_i": -805371904, "altitude": 385, "time": 1778917738, "location_source": "LOC_INTERNAL", "PDOP": 338, "ground_speed": 4, "ground_track": 35442000, "sats_in_view": 7, "precision_bits": 15, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (37 bytes)
0d0000e119150000ffcf188103256a21086a280258d20278048001d09af310980107b8010f
Hex Analysis:
Size:37 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
Seri Base d120 (SRB) Primary 0.000s
Reference
-56.0 dBm 7.00 dB 0 e5 MTVE ShortFast 2026-05-16 07:48:14 UTC Current
Seri Base d120 (SRB) -0.431s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE LongFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.411s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE LongFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.400s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE LongFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.377s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE LongFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.352s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE LongFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.330s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE LongFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.318s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE LongFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.307s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE LongFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.294s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE LongFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.280s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE LongFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.268s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE LongFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.253s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE MediumFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.240s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE MediumFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.221s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE MediumFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.207s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE MediumFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.195s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE MediumFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.182s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE MediumFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.168s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE MediumFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.154s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE MediumFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.140s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE MediumFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.127s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE MediumFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.115s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE MediumFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.102s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE ShortFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.088s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE ShortFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.074s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE ShortFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.060s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE ShortFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.045s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE ShortFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.029s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE ShortFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) -0.015s
Before
-56.0 dBm 7.00 dB 0 e5 MTVE ShortFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) +0.014s
After
-56.0 dBm 7.00 dB 0 e5 MTVE ShortFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) +0.026s
After
-56.0 dBm 7.00 dB 0 e5 MTVE ShortFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) +0.038s
After
-56.0 dBm 7.00 dB 0 e5 MTVE ShortFast 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) +0.051s
After
-56.0 dBm 7.00 dB 0 e5 MTVE ShortTurbo 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) +0.065s
After
-56.0 dBm 7.00 dB 0 e5 MTVE ShortTurbo 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) +0.080s
After
-56.0 dBm 7.00 dB 0 e5 MTVE ShortTurbo 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) +0.094s
After
-56.0 dBm 7.00 dB 0 e5 MTVE ShortTurbo 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) +0.105s
After
-56.0 dBm 7.00 dB 0 e5 MTVE ShortTurbo 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) +0.117s
After
-56.0 dBm 7.00 dB 0 e5 MTVE ShortTurbo 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) +0.131s
After
-56.0 dBm 7.00 dB 0 e5 MTVE ShortTurbo 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) +0.146s
After
-56.0 dBm 7.00 dB 0 e5 MTVE ShortTurbo 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) +0.160s
After
-56.0 dBm 7.00 dB 0 e5 MTVE ShortTurbo 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) +0.174s
After
-56.0 dBm 7.00 dB 0 e5 MTVE ShortTurbo 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) +0.189s
After
-56.0 dBm 7.00 dB 0 e5 MTVE ShortTurbo 2026-05-16 07:48:14 UTC View
Seri Base d120 (SRB) +0.204s
After
-56.0 dBm 7.00 dB 0 e5 MTVE LongFast 2026-05-16 07:48:14 UTC View
Eco-Monkey LLP (mnky) +2.303s
After
-94.0 dBm -8.25 dB 2 64 SRS LongFast 2026-05-16 07:48:16 UTC View
46

Total Receptions

2

Unique Gateways