Packet #17709942 Success

POSITION_APP packet from VC1 Joyce 🗼 (VC1) to !ffffffff

46
Total Receptions
2
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 17709942
Mesh Packet ID: 0x9191c55f
Used for correlation across gateways
Timestamp: 2026-03-27 05:02:44 UTC
From Node: VC1 Joyce 🗼 (VC1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: lizfort joyce-collingwood (lfjc)
Channel: ShortTurbo
RSSI: -77 dBm
SNR: 0.5 dBm
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: fc VC1
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: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:49.238980°
Longitude:-123.031650°
Altitude:156 m
Precision:32 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:28 bytes
Gateway:!73ab1026
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 2 more...
Exposure Risks:
âš  Visible to all nodes on channel
âš  Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !73ab1026
Node ID format
channel_id ShortTurbo
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1128196860
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 28 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 -77.0 dBm
Signal strength at gateway
int32
rx_snr 0.50 dB
Signal quality at gateway
float
rx_time 1774587763
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 252
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774587764.3567235
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: ShortTurbo
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • âš  Visible to all nodes on channel
  • âš  Packet visible to MQTT subscribers
  • âš  Full GPS precision shared
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !73ab1026
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -77.0 dBm
SNR: 0.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 49.23898, "longitude": -123.03165, "altitude": 156, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!73ab1026", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1128196860, "to": 4294967295, "id": 2442249567, "rx_time": 1774587763, "rx_snr": 0.5, "rx_rssi": -77, "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": 252, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0da845591d152cdcaab6189c0125710fc66928017800800100b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 492389800, "longitude_i": -1230316500, "altitude": 156, "time": 1774587761, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0da845591d152cdcaab6189c0125710fc66928017800800100b80120
Hex Analysis:
Size:28 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
lizfort joyce-collingwood (lfjc) Primary 0.000s
Reference
-77.0 dBm 0.50 dB 0 fc VC1 ShortTurbo 2026-03-27 05:02:44 UTC Current
lizfort joyce-collingwood (lfjc) -0.428s
Before
-77.0 dBm 0.50 dB 0 fc VC1 LongFast 2026-03-27 05:02:43 UTC View
lizfort joyce-collingwood (lfjc) -0.405s
Before
-77.0 dBm 0.50 dB 0 fc VC1 LongFast 2026-03-27 05:02:43 UTC View
lizfort joyce-collingwood (lfjc) -0.390s
Before
-77.0 dBm 0.50 dB 0 fc VC1 LongFast 2026-03-27 05:02:43 UTC View
lizfort joyce-collingwood (lfjc) -0.380s
Before
-77.0 dBm 0.50 dB 0 fc VC1 LongFast 2026-03-27 05:02:43 UTC View
lizfort joyce-collingwood (lfjc) -0.357s
Before
-77.0 dBm 0.50 dB 0 fc VC1 LongFast 2026-03-27 05:02:43 UTC View
lizfort joyce-collingwood (lfjc) -0.335s
Before
-77.0 dBm 0.50 dB 0 fc VC1 LongFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.315s
Before
-77.0 dBm 0.50 dB 0 fc VC1 LongFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.304s
Before
-77.0 dBm 0.50 dB 0 fc VC1 LongFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.283s
Before
-77.0 dBm 0.50 dB 0 fc VC1 LongFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.273s
Before
-77.0 dBm 0.50 dB 0 fc VC1 LongFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.263s
Before
-77.0 dBm 0.50 dB 0 fc VC1 LongFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.251s
Before
-77.0 dBm 0.50 dB 0 fc VC1 MediumFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.240s
Before
-77.0 dBm 0.50 dB 0 fc VC1 MediumFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.228s
Before
-77.0 dBm 0.50 dB 0 fc VC1 MediumFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.215s
Before
-77.0 dBm 0.50 dB 0 fc VC1 MediumFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.204s
Before
-77.0 dBm 0.50 dB 0 fc VC1 MediumFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.192s
Before
-77.0 dBm 0.50 dB 0 fc VC1 MediumFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.181s
Before
-77.0 dBm 0.50 dB 0 fc VC1 MediumFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.169s
Before
-77.0 dBm 0.50 dB 0 fc VC1 MediumFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.158s
Before
-77.0 dBm 0.50 dB 0 fc VC1 MediumFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.148s
Before
-77.0 dBm 0.50 dB 0 fc VC1 MediumFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.137s
Before
-77.0 dBm 0.50 dB 0 fc VC1 MediumFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.127s
Before
-77.0 dBm 0.50 dB 0 fc VC1 ShortFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.116s
Before
-77.0 dBm 0.50 dB 0 fc VC1 ShortFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.105s
Before
-77.0 dBm 0.50 dB 0 fc VC1 ShortFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.094s
Before
-77.0 dBm 0.50 dB 0 fc VC1 ShortFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.083s
Before
-77.0 dBm 0.50 dB 0 fc VC1 ShortFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.071s
Before
-77.0 dBm 0.50 dB 0 fc VC1 ShortFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.059s
Before
-77.0 dBm 0.50 dB 0 fc VC1 ShortFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.047s
Before
-77.0 dBm 0.50 dB 0 fc VC1 ShortFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.035s
Before
-77.0 dBm 0.50 dB 0 fc VC1 ShortFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.023s
Before
-77.0 dBm 0.50 dB 0 fc VC1 ShortFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) -0.012s
Before
-77.0 dBm 0.50 dB 0 fc VC1 ShortFast 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) +0.012s
After
-77.0 dBm 0.50 dB 0 fc VC1 ShortTurbo 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) +0.023s
After
-77.0 dBm 0.50 dB 0 fc VC1 ShortTurbo 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) +0.033s
After
-77.0 dBm 0.50 dB 0 fc VC1 ShortTurbo 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) +0.044s
After
-77.0 dBm 0.50 dB 0 fc VC1 ShortTurbo 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) +0.055s
After
-77.0 dBm 0.50 dB 0 fc VC1 ShortTurbo 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) +0.066s
After
-77.0 dBm 0.50 dB 0 fc VC1 ShortTurbo 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) +0.076s
After
-77.0 dBm 0.50 dB 0 fc VC1 ShortTurbo 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) +0.087s
After
-77.0 dBm 0.50 dB 0 fc VC1 ShortTurbo 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) +0.098s
After
-77.0 dBm 0.50 dB 0 fc VC1 ShortTurbo 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) +0.110s
After
-77.0 dBm 0.50 dB 0 fc VC1 ShortTurbo 2026-03-27 05:02:44 UTC View
lizfort joyce-collingwood (lfjc) +0.122s
After
-77.0 dBm 0.50 dB 0 fc VC1 LongFast 2026-03-27 05:02:44 UTC View
Storm #02 🇨🇦 (S#02) +10.898s
After
-104.0 dBm -6.75 dB 3 ec S#04 LongFast 2026-03-27 05:02:55 UTC View
46

Total Receptions

2

Unique Gateways