Packet #17807653 Success

POSITION_APP packet from LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) to kwarc.org c908 (KWC)

47
Total Receptions
3
Unique Gateways
0
Hop Count
22
Payload Bytes
Packet Information
Database ID: 17807653
Mesh Packet ID: 0xb9f9b576
Used for correlation across gateways
Timestamp: 2026-03-27 10:11:00 UTC
From Node: LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB)
To Node: kwarc.org c908 (KWC)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 34 LAMB
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: 22 bytes
Decoded: Yes
Decoded Data:
Latitude:43.686298°
Longitude:-79.311667°
Altitude:87 m
Precision:14 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:22 bytes
Gateway:!849a5234
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !849a5234
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (22 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2224706100
Source node ID 		uint32
to 3812346120
Target node ID 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 22 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 2
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 1774606194
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 70
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 52
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774606260.5971315
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~1500.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !849a5234
Position Precision: 14 bits (~1500.0m accuracy)
Position precision meters: 1500.0
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:22 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.6862976, "longitude": -79.3116672, "altitude": 87, "sats_in_view": null, "precision_bits": 14 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!849a5234", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2224706100, "to": 3812346120, "id": 3120149878, "rx_time": 1774606194, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 2, "via_mqtt": false, "want_ack": false, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 52, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00000a1a150000bad0185728017800800100b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 436862976, "longitude_i": -793116672, "altitude": 87, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (22 bytes)
0d00000a1a150000bad0185728017800800100b8010e
Hex Analysis:
Size:22 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
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) Primary 0.000s
Reference 		Unknown Unknown 0 34 LAMB LongFast 2026-03-27 10:11:00 UTC Current
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) -11.270s
Before 		Unknown Unknown 0 34 LAMB LongFast 2026-03-27 10:10:49 UTC View
TACO WAVE L20/US/TO mt.gt e0a8 (TACO) -3.879s
Before 		Unknown Unknown 0 34 LAMB LongFast 2026-03-27 10:10:56 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) -0.013s
Before 		Unknown Unknown 0 34 LAMB LongFast 2026-03-27 10:11:00 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.037s
After 		Unknown Unknown 0 34 LAMB ShortFast 2026-03-27 10:11:00 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.108s
After 		Unknown Unknown 0 34 LAMB MediumFast 2026-03-27 10:11:00 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.273s
After 		Unknown Unknown 0 34 LAMB LongFast 2026-03-27 10:11:00 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.342s
After 		Unknown Unknown 0 34 LAMB ShortFast 2026-03-27 10:11:00 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.363s
After 		Unknown Unknown 0 34 LAMB MediumFast 2026-03-27 10:11:00 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.396s
After 		Unknown Unknown 0 34 LAMB LongFast 2026-03-27 10:11:00 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.587s
After 		Unknown Unknown 0 34 LAMB LongFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.599s
After 		Unknown Unknown 0 34 LAMB LongFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.611s
After 		Unknown Unknown 0 34 LAMB MediumFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.683s
After 		Unknown Unknown 0 34 LAMB ShortFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.717s
After 		Unknown Unknown 0 34 LAMB ShortFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.742s
After 		Unknown Unknown 0 34 LAMB ShortFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.755s
After 		Unknown Unknown 0 34 LAMB MediumFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.779s
After 		Unknown Unknown 0 34 LAMB MediumFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.804s
After 		Unknown Unknown 0 34 LAMB ShortFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.861s
After 		Unknown Unknown 0 34 LAMB MediumFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.906s
After 		Unknown Unknown 0 34 LAMB LongFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.993s
After 		Unknown Unknown 0 34 LAMB MediumFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.085s
After 		Unknown Unknown 0 34 LAMB ShortFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.152s
After 		Unknown Unknown 0 34 LAMB MediumFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.234s
After 		Unknown Unknown 0 34 LAMB ShortFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.249s
After 		Unknown Unknown 0 34 LAMB ShortTurbo 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.260s
After 		Unknown Unknown 0 34 LAMB ShortTurbo 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.283s
After 		Unknown Unknown 0 34 LAMB MediumFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.294s
After 		Unknown Unknown 0 34 LAMB LongFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.350s
After 		Unknown Unknown 0 34 LAMB LongFast 2026-03-27 10:11:01 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.469s
After 		Unknown Unknown 0 34 LAMB ShortTurbo 2026-03-27 10:11:02 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.480s
After 		Unknown Unknown 0 34 LAMB LongFast 2026-03-27 10:11:02 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.528s
After 		Unknown Unknown 0 34 LAMB LongFast 2026-03-27 10:11:02 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.578s
After 		Unknown Unknown 0 34 LAMB ShortTurbo 2026-03-27 10:11:02 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.645s
After 		Unknown Unknown 0 34 LAMB ShortFast 2026-03-27 10:11:02 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.715s
After 		Unknown Unknown 0 34 LAMB MediumFast 2026-03-27 10:11:02 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.740s
After 		Unknown Unknown 0 34 LAMB ShortTurbo 2026-03-27 10:11:02 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.764s
After 		Unknown Unknown 0 34 LAMB MediumFast 2026-03-27 10:11:02 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.840s
After 		Unknown Unknown 0 34 LAMB ShortTurbo 2026-03-27 10:11:02 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +1.896s
After 		Unknown Unknown 0 34 LAMB ShortTurbo 2026-03-27 10:11:02 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +2.085s
After 		Unknown Unknown 0 34 LAMB ShortFast 2026-03-27 10:11:02 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +2.197s
After 		Unknown Unknown 0 34 LAMB ShortTurbo 2026-03-27 10:11:02 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +2.253s
After 		Unknown Unknown 0 34 LAMB ShortFast 2026-03-27 10:11:02 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +2.302s
After 		Unknown Unknown 0 34 LAMB ShortTurbo 2026-03-27 10:11:02 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +2.491s
After 		Unknown Unknown 0 34 LAMB ShortTurbo 2026-03-27 10:11:03 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +2.586s
After 		Unknown Unknown 0 34 LAMB ShortTurbo 2026-03-27 10:11:03 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +4.662s
After 		Unknown Unknown 0 34 LAMB LongFast 2026-03-27 10:11:05 UTC View
47

Total Receptions

3

Unique Gateways