Packet #17648354 Success

POSITION_APP packet from VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
25
Payload Bytes
Packet Information
Database ID: 17648354
Mesh Packet ID: 0xf0134b46
Used for correlation across gateways
Timestamp: 2026-03-27 01:42:21 UTC
From Node: VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC)
Channel: ShortFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: 68 V7DC
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: 25 bytes
Decoded: Yes
Decoded Data:
Latitude:49.309286°
Longitude:-122.866893°
Precision:13 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:25 bytes
Gateway:!9e779d68
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
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e779d68
Node ID format
channel_id ShortFast
packet MeshPacket (25 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2658639208
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 25 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 Not set int32
rx_snr Not set float
rx_time 1774575740
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 104
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774575741.533973
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: ~2900.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !9e779d68
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:25 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 49.3092864, "longitude": -122.8668928, "altitude": 0, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e779d68", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2658639208, "to": 4294967295, "id": 4027796294, "rx_time": 1774575740, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 104, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000641d150000c4b61800257ce0c5692801b0014db8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 493092864, "longitude_i": -1228668928, "altitude": 0, "time": 1774575740, "location_source": "LOC_MANUAL", "seq_number": 77, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (25 bytes)
0d0000641d150000c4b61800257ce0c5692801b0014db8010d
Hex Analysis:
Size:25 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
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) Primary 0.000s
Reference 		Unknown Unknown 0 68 V7DC ShortFast 2026-03-27 01:42:21 UTC Current
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.311s
Before 		Unknown Unknown 0 68 V7DC LongFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.281s
Before 		Unknown Unknown 0 68 V7DC LongFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.270s
Before 		Unknown Unknown 0 68 V7DC LongFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.255s
Before 		Unknown Unknown 0 68 V7DC LongFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.245s
Before 		Unknown Unknown 0 68 V7DC LongFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.229s
Before 		Unknown Unknown 0 68 V7DC LongFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.219s
Before 		Unknown Unknown 0 68 V7DC LongFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.203s
Before 		Unknown Unknown 0 68 V7DC LongFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.191s
Before 		Unknown Unknown 0 68 V7DC LongFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.180s
Before 		Unknown Unknown 0 68 V7DC LongFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.168s
Before 		Unknown Unknown 0 68 V7DC LongFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.155s
Before 		Unknown Unknown 0 68 V7DC MediumFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.144s
Before 		Unknown Unknown 0 68 V7DC MediumFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.132s
Before 		Unknown Unknown 0 68 V7DC MediumFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.121s
Before 		Unknown Unknown 0 68 V7DC MediumFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.110s
Before 		Unknown Unknown 0 68 V7DC MediumFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.100s
Before 		Unknown Unknown 0 68 V7DC MediumFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.090s
Before 		Unknown Unknown 0 68 V7DC MediumFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.073s
Before 		Unknown Unknown 0 68 V7DC MediumFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.056s
Before 		Unknown Unknown 0 68 V7DC MediumFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.045s
Before 		Unknown Unknown 0 68 V7DC MediumFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.035s
Before 		Unknown Unknown 0 68 V7DC MediumFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.024s
Before 		Unknown Unknown 0 68 V7DC ShortFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) -0.012s
Before 		Unknown Unknown 0 68 V7DC ShortFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.012s
After 		Unknown Unknown 0 68 V7DC ShortFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.023s
After 		Unknown Unknown 0 68 V7DC ShortFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.035s
After 		Unknown Unknown 0 68 V7DC ShortFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.046s
After 		Unknown Unknown 0 68 V7DC ShortFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.058s
After 		Unknown Unknown 0 68 V7DC ShortFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.069s
After 		Unknown Unknown 0 68 V7DC ShortFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.080s
After 		Unknown Unknown 0 68 V7DC ShortFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.091s
After 		Unknown Unknown 0 68 V7DC ShortFast 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.101s
After 		Unknown Unknown 0 68 V7DC ShortTurbo 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.112s
After 		Unknown Unknown 0 68 V7DC ShortTurbo 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.122s
After 		Unknown Unknown 0 68 V7DC ShortTurbo 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.132s
After 		Unknown Unknown 0 68 V7DC ShortTurbo 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.143s
After 		Unknown Unknown 0 68 V7DC ShortTurbo 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.155s
After 		Unknown Unknown 0 68 V7DC ShortTurbo 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.172s
After 		Unknown Unknown 0 68 V7DC ShortTurbo 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.184s
After 		Unknown Unknown 0 68 V7DC ShortTurbo 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.195s
After 		Unknown Unknown 0 68 V7DC ShortTurbo 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.207s
After 		Unknown Unknown 0 68 V7DC ShortTurbo 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.218s
After 		Unknown Unknown 0 68 V7DC ShortTurbo 2026-03-27 01:42:21 UTC View
VE7DCX2🇺🇸🇨🇦 Port Moody (V7DC) +0.230s
After 		Unknown Unknown 0 68 V7DC LongFast 2026-03-27 01:42:21 UTC View
45

Total Receptions

1

Unique Gateways