Packet #39427188 Success

POSITION_APP packet from !52085152 to !ffffffff

48
Total Receptions
4
Unique Gateways
4
Hop Count
33
Payload Bytes
Packet Information
Database ID: 39427188
Mesh Packet ID: 0x8636639d
Used for correlation across gateways
Timestamp: 2026-05-16 04:00:41 UTC
From Node: !52085152 (5152)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: TINKERBELL L20/USON mt.gt 6358 (TINK)
Channel: MediumFast
RSSI: -119 dBm
SNR: -7.75 dBm
Hop Info: 4/7 hops
Start: 7, Limit: 3
Relay Node: f1
Last byte of the last hop that relayed this packet
Payload Data
Protocol: POSITION_APP
Size: 33 bytes
Decoded: Yes
Decoded Data:
Latitude:42.860544°
Longitude:-78.879130°
Altitude:206 m
Satellites:13
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:33 bytes
Gateway:!433a6358
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:4 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !433a6358
Node ID format
channel_id MediumFast
packet MeshPacket (33 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1376276818
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 33 bytes size
hop_limit 3
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 4
Calculated: hop_start - hop_limit
derived
rx_rssi -119.0 dBm
Signal strength at gateway
int32
rx_snr -7.75 dB
Signal quality at gateway
float
rx_time 1778904039
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 241
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778904041.110869
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: MediumFast
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~2900.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !433a6358
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Signal Metrics: RSSI: -119.0 dBm
SNR: -7.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:33 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 42.860544, "longitude": -78.8791296, "altitude": 206, "sats_in_view": 13, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433a6358", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1376276818, "to": 4294967295, "id": 2251711389, "rx_time": 1778904039, "rx_snr": -7.75, "rx_rssi": -119, "hop_limit": 3, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 241, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00008c19150000fcd018ce012506e9076a2802587e780080010098010db8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 428605440, "longitude_i": -788791296, "altitude": 206, "time": 1778903302, "location_source": "LOC_INTERNAL", "PDOP": 126, "ground_speed": 0, "ground_track": 0, "sats_in_view": 13, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (33 bytes)
0d00008c19150000fcd018ce012506e9076a2802587e780080010098010db8010d
Hex Analysis:
Size:33 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
TINKERBELL L20/USON mt.gt 6358 (TINK) Primary 0.000s
Reference
-119.0 dBm -7.75 dB 4 f1 MediumFast 2026-05-16 04:00:41 UTC Current
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.244s
Before
-119.0 dBm -7.75 dB 4 f1 LongFast 2026-05-16 04:00:40 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.220s
Before
-119.0 dBm -7.75 dB 4 f1 LongFast 2026-05-16 04:00:40 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.207s
Before
-119.0 dBm -7.75 dB 4 f1 LongFast 2026-05-16 04:00:40 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.195s
Before
-119.0 dBm -7.75 dB 4 f1 LongFast 2026-05-16 04:00:40 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.182s
Before
-119.0 dBm -7.75 dB 4 f1 LongFast 2026-05-16 04:00:40 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.170s
Before
-119.0 dBm -7.75 dB 4 f1 LongFast 2026-05-16 04:00:40 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.158s
Before
-119.0 dBm -7.75 dB 4 f1 LongFast 2026-05-16 04:00:40 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.148s
Before
-119.0 dBm -7.75 dB 4 f1 LongFast 2026-05-16 04:00:40 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.137s
Before
-119.0 dBm -7.75 dB 4 f1 LongFast 2026-05-16 04:00:40 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.127s
Before
-119.0 dBm -7.75 dB 4 f1 LongFast 2026-05-16 04:00:40 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.116s
Before
-119.0 dBm -7.75 dB 4 f1 LongFast 2026-05-16 04:00:40 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.105s
Before
-119.0 dBm -7.75 dB 4 f1 MediumFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.094s
Before
-119.0 dBm -7.75 dB 4 f1 MediumFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.083s
Before
-119.0 dBm -7.75 dB 4 f1 MediumFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.072s
Before
-119.0 dBm -7.75 dB 4 f1 MediumFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.060s
Before
-119.0 dBm -7.75 dB 4 f1 MediumFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.049s
Before
-119.0 dBm -7.75 dB 4 f1 MediumFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.037s
Before
-119.0 dBm -7.75 dB 4 f1 MediumFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.025s
Before
-119.0 dBm -7.75 dB 4 f1 MediumFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) -0.012s
Before
-119.0 dBm -7.75 dB 4 f1 MediumFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.012s
After
-119.0 dBm -7.75 dB 4 f1 MediumFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.024s
After
-119.0 dBm -7.75 dB 4 f1 ShortFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.037s
After
-119.0 dBm -7.75 dB 4 f1 ShortFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.049s
After
-119.0 dBm -7.75 dB 4 f1 ShortFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.060s
After
-119.0 dBm -7.75 dB 4 f1 ShortFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.070s
After
-119.0 dBm -7.75 dB 4 f1 ShortFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.082s
After
-119.0 dBm -7.75 dB 4 f1 ShortFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.093s
After
-119.0 dBm -7.75 dB 4 f1 ShortFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.104s
After
-119.0 dBm -7.75 dB 4 f1 ShortFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.115s
After
-119.0 dBm -7.75 dB 4 f1 ShortFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.126s
After
-119.0 dBm -7.75 dB 4 f1 ShortFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.137s
After
-119.0 dBm -7.75 dB 4 f1 ShortFast 2026-05-16 04:00:41 UTC View
AH001 (0d74) +0.150s
After
-121.0 dBm -13.75 dB 4 f1 LongFast 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.162s
After
-119.0 dBm -7.75 dB 4 f1 ShortTurbo 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.175s
After
-119.0 dBm -7.75 dB 4 f1 ShortTurbo 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.187s
After
-119.0 dBm -7.75 dB 4 f1 ShortTurbo 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.199s
After
-119.0 dBm -7.75 dB 4 f1 ShortTurbo 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.211s
After
-119.0 dBm -7.75 dB 4 f1 ShortTurbo 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.224s
After
-119.0 dBm -7.75 dB 4 f1 ShortTurbo 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.236s
After
-119.0 dBm -7.75 dB 4 f1 ShortTurbo 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.247s
After
-119.0 dBm -7.75 dB 4 f1 ShortTurbo 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.258s
After
-119.0 dBm -7.75 dB 4 f1 ShortTurbo 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.270s
After
-119.0 dBm -7.75 dB 4 f1 ShortTurbo 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.281s
After
-119.0 dBm -7.75 dB 4 f1 ShortTurbo 2026-05-16 04:00:41 UTC View
TINKERBELL L20/USON mt.gt 6358 (TINK) +0.292s
After
-119.0 dBm -7.75 dB 4 f1 LongFast 2026-05-16 04:00:41 UTC View
TMS stationary outdoor node (TMSO) +0.304s
After
-125.0 dBm -13.50 dB 4 71 LongFast 2026-05-16 04:00:41 UTC View
LAMBSAUCE L20/US/ON/wood mt.gt 5234 (LAMB) +0.315s
After
Unknown Unknown 5 58 TINK LongFast 2026-05-16 04:00:41 UTC View
48

Total Receptions

4

Unique Gateways