Packet #17726393 Success

POSITION_APP packet from Alliston 1 (AMA1) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
37
Payload Bytes
Packet Information
Database ID: 17726393
Mesh Packet ID: 0x53dda9ef
Used for correlation across gateways
Timestamp: 2026-03-27 06:00:50 UTC
From Node: Alliston 1 (AMA1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Alliston 1 (AMA1)
Channel: ShortTurbo
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 80 AMA1
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:44.164710°
Longitude:-79.855616°
Altitude:223 m
Satellites:8
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:!435b1080
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 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 !435b1080
Node ID format
channel_id ShortTurbo
packet MeshPacket (37 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1130041472
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 3
Remaining hops allowed
uint32
hop_start 3
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 1774591248
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 128
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774591250.142393
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
  • ✓ 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
MQTT-Specific Fields
Gateway ID: !435b1080
Position Precision: 15 bits (~729.0m accuracy)
Position precision meters: 729.0
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:37 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 44.1647104, "longitude": -79.855616, "altitude": 223, "sats_in_view": 8, "precision_bits": 15 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!435b1080", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1130041472, "to": 4294967295, "id": 1407035887, "rx_time": 1774591248, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 128, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000531a15000067d018df0125101dc6692802589f0178008001f8b9b001980108b8010f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 441647104, "longitude_i": -798556160, "altitude": 223, "time": 1774591248, "location_source": "LOC_INTERNAL", "PDOP": 159, "ground_speed": 0, "ground_track": 2891000, "sats_in_view": 8, "precision_bits": 15, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (37 bytes)
0d0000531a15000067d018df0125101dc6692802589f0178008001f8b9b001980108b8010f
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
Alliston 1 (AMA1) Primary 0.000s
Reference
Unknown Unknown 0 80 AMA1 ShortTurbo 2026-03-27 06:00:50 UTC Current
Alliston 1 (AMA1) -0.424s
Before
Unknown Unknown 0 80 AMA1 LongFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.403s
Before
Unknown Unknown 0 80 AMA1 LongFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.386s
Before
Unknown Unknown 0 80 AMA1 LongFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.369s
Before
Unknown Unknown 0 80 AMA1 LongFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.351s
Before
Unknown Unknown 0 80 AMA1 LongFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.341s
Before
Unknown Unknown 0 80 AMA1 LongFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.324s
Before
Unknown Unknown 0 80 AMA1 LongFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.313s
Before
Unknown Unknown 0 80 AMA1 LongFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.301s
Before
Unknown Unknown 0 80 AMA1 LongFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.290s
Before
Unknown Unknown 0 80 AMA1 LongFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.280s
Before
Unknown Unknown 0 80 AMA1 LongFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.269s
Before
Unknown Unknown 0 80 AMA1 MediumFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.259s
Before
Unknown Unknown 0 80 AMA1 MediumFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.248s
Before
Unknown Unknown 0 80 AMA1 MediumFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.237s
Before
Unknown Unknown 0 80 AMA1 MediumFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.227s
Before
Unknown Unknown 0 80 AMA1 MediumFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.216s
Before
Unknown Unknown 0 80 AMA1 MediumFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.206s
Before
Unknown Unknown 0 80 AMA1 MediumFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.195s
Before
Unknown Unknown 0 80 AMA1 MediumFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.182s
Before
Unknown Unknown 0 80 AMA1 MediumFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.171s
Before
Unknown Unknown 0 80 AMA1 MediumFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.159s
Before
Unknown Unknown 0 80 AMA1 MediumFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.147s
Before
Unknown Unknown 0 80 AMA1 ShortFast 2026-03-27 06:00:49 UTC View
Alliston 1 (AMA1) -0.135s
Before
Unknown Unknown 0 80 AMA1 ShortFast 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) -0.124s
Before
Unknown Unknown 0 80 AMA1 ShortFast 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) -0.113s
Before
Unknown Unknown 0 80 AMA1 ShortFast 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) -0.103s
Before
Unknown Unknown 0 80 AMA1 ShortFast 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) -0.092s
Before
Unknown Unknown 0 80 AMA1 ShortFast 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) -0.082s
Before
Unknown Unknown 0 80 AMA1 ShortFast 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) -0.070s
Before
Unknown Unknown 0 80 AMA1 ShortFast 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) -0.059s
Before
Unknown Unknown 0 80 AMA1 ShortFast 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) -0.049s
Before
Unknown Unknown 0 80 AMA1 ShortFast 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) -0.038s
Before
Unknown Unknown 0 80 AMA1 ShortFast 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) -0.025s
Before
Unknown Unknown 0 80 AMA1 ShortTurbo 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) -0.012s
Before
Unknown Unknown 0 80 AMA1 ShortTurbo 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) +0.012s
After
Unknown Unknown 0 80 AMA1 ShortTurbo 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) +0.024s
After
Unknown Unknown 0 80 AMA1 ShortTurbo 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) +0.037s
After
Unknown Unknown 0 80 AMA1 ShortTurbo 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) +0.048s
After
Unknown Unknown 0 80 AMA1 ShortTurbo 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) +0.060s
After
Unknown Unknown 0 80 AMA1 ShortTurbo 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) +0.073s
After
Unknown Unknown 0 80 AMA1 ShortTurbo 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) +0.093s
After
Unknown Unknown 0 80 AMA1 ShortTurbo 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) +0.103s
After
Unknown Unknown 0 80 AMA1 ShortTurbo 2026-03-27 06:00:50 UTC View
Alliston 1 (AMA1) +0.113s
After
Unknown Unknown 0 80 AMA1 LongFast 2026-03-27 06:00:50 UTC View
45

Total Receptions

1

Unique Gateways