Packet #39422485 Success

POSITION_APP packet from Crestwood (Crst) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
23
Payload Bytes
Packet Information
Database ID: 39422485
Mesh Packet ID: 0x7822d1fa
Used for correlation across gateways
Timestamp: 2026-05-16 03:46:26 UTC
From Node: Crestwood (Crst)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Crestwood (Crst)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: None
Payload Data
Protocol: POSITION_APP
Size: 23 bytes
Decoded: Yes
Decoded Data:
Latitude:42.950268°
Longitude:-81.316964°
Altitude:300 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:23 bytes
Gateway:!433c6b10
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 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 !433c6b10
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (23 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1128033040
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 23 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 1778903184
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 Not set uint32
tx_after Not set uint32
timestamp 1778903186.1088603
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
  • ✓ 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
  • ⚠ Full GPS precision shared
MQTT-Specific Fields
Gateway ID: !433c6b10
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
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:23 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 42.950268, "longitude": -81.316964, "altitude": 300, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433c6b10", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1128033040, "to": 4294967295, "id": 2015547898, "rx_time": 1778903184, "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": 0, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0dd8b0991915180488cf18ac022590e8076a2801b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 429502680, "longitude_i": -813169640, "altitude": 300, "time": 1778903184, "location_source": "LOC_MANUAL", "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (23 bytes)
0dd8b0991915180488cf18ac022590e8076a2801b80120
Hex Analysis:
Size:23 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
Crestwood (Crst) Primary 0.000s
Reference
Unknown Unknown 0 - LongFast 2026-05-16 03:46:26 UTC Current
Crestwood (Crst) -0.150s
Before
Unknown Unknown 0 - LongFast 2026-05-16 03:46:25 UTC View
Crestwood (Crst) -0.123s
Before
Unknown Unknown 0 - LongFast 2026-05-16 03:46:25 UTC View
Crestwood (Crst) -0.096s
Before
Unknown Unknown 0 - LongFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) -0.075s
Before
Unknown Unknown 0 - LongFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) -0.038s
Before
Unknown Unknown 0 - LongFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.020s
After
Unknown Unknown 0 - LongFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.051s
After
Unknown Unknown 0 - LongFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.068s
After
Unknown Unknown 0 - LongFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.080s
After
Unknown Unknown 0 - LongFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.094s
After
Unknown Unknown 0 - LongFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.111s
After
Unknown Unknown 0 - MediumFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.148s
After
Unknown Unknown 0 - MediumFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.165s
After
Unknown Unknown 0 - MediumFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.182s
After
Unknown Unknown 0 - MediumFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.197s
After
Unknown Unknown 0 - MediumFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.214s
After
Unknown Unknown 0 - MediumFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.228s
After
Unknown Unknown 0 - MediumFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.241s
After
Unknown Unknown 0 - MediumFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.262s
After
Unknown Unknown 0 - MediumFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.290s
After
Unknown Unknown 0 - MediumFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.311s
After
Unknown Unknown 0 - MediumFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.323s
After
Unknown Unknown 0 - ShortFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.342s
After
Unknown Unknown 0 - ShortFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.374s
After
Unknown Unknown 0 - ShortFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.405s
After
Unknown Unknown 0 - ShortFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.424s
After
Unknown Unknown 0 - ShortFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.441s
After
Unknown Unknown 0 - ShortFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.454s
After
Unknown Unknown 0 - ShortFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.485s
After
Unknown Unknown 0 - ShortFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.512s
After
Unknown Unknown 0 - ShortFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.534s
After
Unknown Unknown 0 - ShortFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.571s
After
Unknown Unknown 0 - ShortFast 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.602s
After
Unknown Unknown 0 - ShortTurbo 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.634s
After
Unknown Unknown 0 - ShortTurbo 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.649s
After
Unknown Unknown 0 - ShortTurbo 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.681s
After
Unknown Unknown 0 - ShortTurbo 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.713s
After
Unknown Unknown 0 - ShortTurbo 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.729s
After
Unknown Unknown 0 - ShortTurbo 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.762s
After
Unknown Unknown 0 - ShortTurbo 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.794s
After
Unknown Unknown 0 - ShortTurbo 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.825s
After
Unknown Unknown 0 - ShortTurbo 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.843s
After
Unknown Unknown 0 - ShortTurbo 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.865s
After
Unknown Unknown 0 - ShortTurbo 2026-05-16 03:46:26 UTC View
Crestwood (Crst) +0.889s
After
Unknown Unknown 0 - LongFast 2026-05-16 03:46:26 UTC View
45

Total Receptions

1

Unique Gateways