Packet #39461893 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: 39461893
Mesh Packet ID: 0xc7213681
Used for correlation across gateways
Timestamp: 2026-05-16 06:13:35 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: LongFast
RSSI: -56 dBm
SNR: 6.25 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:371 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:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !16ced120
Node ID format
channel_id LongFast
Default public channel
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 6.25 dB
Signal quality at gateway
float
rx_time 1778912015
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 1778912015.4940221
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)
  • ✓ 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
  • ⚠ Default channel - no encryption
  • ⚠ 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: 6.25 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": 371, "sats_in_view": 7, "precision_bits": 15 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!16ced120", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 228327141, "to": 4294967295, "id": 3340842625, "rx_time": 1778912015, "rx_snr": 6.25, "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": "0d0000e119150000ffcf18f302253b0b086a280258fd0178038001f897bb0f980107b8010f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 434176000, "longitude_i": -805371904, "altitude": 371, "time": 1778912059, "location_source": "LOC_INTERNAL", "PDOP": 253, "ground_speed": 3, "ground_track": 32427000, "sats_in_view": 7, "precision_bits": 15, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (37 bytes)
0d0000e119150000ffcf18f302253b0b086a280258fd0178038001f897bb0f980107b8010f
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 6.25 dB 0 e5 MTVE LongFast 2026-05-16 06:13:35 UTC Current
Seri Base d120 (SRB) +0.031s
After
-56.0 dBm 6.25 dB 0 e5 MTVE LongFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.044s
After
-56.0 dBm 6.25 dB 0 e5 MTVE LongFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.062s
After
-56.0 dBm 6.25 dB 0 e5 MTVE LongFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.074s
After
-56.0 dBm 6.25 dB 0 e5 MTVE LongFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.087s
After
-56.0 dBm 6.25 dB 0 e5 MTVE LongFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.100s
After
-56.0 dBm 6.25 dB 0 e5 MTVE LongFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.115s
After
-56.0 dBm 6.25 dB 0 e5 MTVE LongFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.129s
After
-56.0 dBm 6.25 dB 0 e5 MTVE LongFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.327s
After
-56.0 dBm 6.25 dB 0 e5 MTVE LongFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.340s
After
-56.0 dBm 6.25 dB 0 e5 MTVE LongFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.354s
After
-56.0 dBm 6.25 dB 0 e5 MTVE MediumFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.367s
After
-56.0 dBm 6.25 dB 0 e5 MTVE MediumFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.380s
After
-56.0 dBm 6.25 dB 0 e5 MTVE MediumFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.393s
After
-56.0 dBm 6.25 dB 0 e5 MTVE MediumFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.405s
After
-56.0 dBm 6.25 dB 0 e5 MTVE MediumFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.418s
After
-56.0 dBm 6.25 dB 0 e5 MTVE MediumFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.431s
After
-56.0 dBm 6.25 dB 0 e5 MTVE MediumFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.443s
After
-56.0 dBm 6.25 dB 0 e5 MTVE MediumFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.455s
After
-56.0 dBm 6.25 dB 0 e5 MTVE MediumFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.468s
After
-56.0 dBm 6.25 dB 0 e5 MTVE MediumFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.482s
After
-56.0 dBm 6.25 dB 0 e5 MTVE MediumFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.495s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortFast 2026-05-16 06:13:35 UTC View
Seri Base d120 (SRB) +0.509s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortFast 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.521s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortFast 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.536s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortFast 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.550s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortFast 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.563s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortFast 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.577s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortFast 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.592s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortFast 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.608s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortFast 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.621s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortFast 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.632s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortFast 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.644s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortTurbo 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.656s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortTurbo 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.668s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortTurbo 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.682s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortTurbo 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.693s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortTurbo 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.705s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortTurbo 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.717s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortTurbo 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.730s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortTurbo 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.743s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortTurbo 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.756s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortTurbo 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.768s
After
-56.0 dBm 6.25 dB 0 e5 MTVE ShortTurbo 2026-05-16 06:13:36 UTC View
Seri Base d120 (SRB) +0.781s
After
-56.0 dBm 6.25 dB 0 e5 MTVE LongFast 2026-05-16 06:13:36 UTC View
Eco-Monkey LLP (mnky) +15.155s
After
-94.0 dBm -9.50 dB 1 64 SRS LongFast 2026-05-16 06:13:50 UTC View
46

Total Receptions

2

Unique Gateways