Packet #10227706 Success

POSITION_APP packet from Skynet_CLM (Sky) to !ffffffff

16
Total Receptions
16
Unique Gateways
3
Hop Count
28
Payload Bytes
Packet Information
Database ID: 10227706
Mesh Packet ID: 0xb9982a31
Used for correlation across gateways
Timestamp: 2025-09-12 05:28:14 UTC
From Node: Skynet_CLM (Sky)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: SkG@Home πŸ—ΌπŸŒ (SkGH)
Channel: MediumSlow
RSSI: Unknown
SNR: Unknown
Hop Info: 3/4 hops
Start: 4, Limit: 1
Payload Data
Protocol: POSITION_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:40.337408Β°
Longitude:-3.702784Β°
Altitude:595 m
Precision:15 bits
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) β†’ MeshPacket (Mesh layer) β†’ Decoded Payload (Application data)
Total Size:28 bytes
Gateway:!405d4a44
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:3 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
βœ“ Direct LoRa transmission (not via MQTT)
βœ“ Custom channel: MediumSlow
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !405d4a44
Node ID format
channel_id MediumSlow
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1559870587
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 28 bytes size
hop_limit 1
Remaining hops allowed
uint32
hop_start 4
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1757654891
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 64
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 168
Relay node ID
uint32
tx_after Not set uint32
timestamp 1757654894.8460395
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:
  • βœ“ Direct LoRa transmission (not via MQTT)
  • βœ“ Custom channel: MediumSlow
  • βœ“ Gateway node ID tracked
  • βœ“ Reduced position precision: ~729.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
MQTT-Specific Fields
Gateway ID: !405d4a44
Position Precision: 15 bits (~729.0m accuracy)
Position precision meters: 729.0
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.337408, "longitude": -3.702784, "altitude": 595, "sats_in_view": null, "precision_bits": 15 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!405d4a44", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1559870587, "to": 4294967295, "id": 3113757233, "rx_time": 1757654891, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 1, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 64, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 168, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00000b18150000cbfd18d3042568afc36828017800800100b8010f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403374080, "longitude_i": -37027840, "altitude": 595, "time": 1757654888, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 15, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d00000b18150000cbfd18d3042568afc36828017800800100b8010f
Hex Analysis:
Size:28 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...

Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
SkG@Home πŸ—ΌπŸŒ (SkGH) Primary 0.000s
Reference
Unknown Unknown 3 MediumSlow 2025-09-12 05:28:14 Current
Venturada2πŸ—ΌπŸŒβ˜€οΈ (Vb2) -1.539s
Before
-111.0 dBm -15.25 dB 1 MediumSlow 2025-09-12 05:28:13 View
Meshtastic c498πŸ“‘πŸŒ (C498) -1.209s
Before
-116.0 dBm -12.25 dB 1 MediumSlow 2025-09-12 05:28:13 View
Perseo πŸ—ΌπŸŒ (nvm1) -0.758s
Before
-96.0 dBm -2.75 dB 2 MediumSlow 2025-09-12 05:28:14 View
Venturada baseπŸ—ΌπŸŒ (Vb) -0.438s
Before
-94.0 dBm 6.00 dB 2 MediumSlow 2025-09-12 05:28:14 View
GRN1-BaseπŸ—ΌπŸŒ (GRN1) -0.418s
Before
-101.0 dBm 2.50 dB 2 MediumSlow 2025-09-12 05:28:14 View
SkG@Home (HV3) πŸ—ΌπŸŒ (SkGh) -0.406s
Before
-116.0 dBm -14.00 dB 2 MediumSlow 2025-09-12 05:28:14 View
Meshtastic fbec (fbec) -0.396s
Before
-123.0 dBm -3.00 dB 2 MediumSlow 2025-09-12 05:28:14 View
Tlgo πŸ“‘πŸŒπŸ”‹πŸ”Œ (TLG0) -0.024s
Before
-119.0 dBm -12.25 dB 2 MediumSlow 2025-09-12 05:28:14 View
@lazynoda cocidito πŸ₯΅ πŸ—ΌπŸŒ (LNCM) +0.345s
After
-111.0 dBm 1.00 dB 3 MediumSlow 2025-09-12 05:28:15 View
Machu Pichu (MaPi) +0.355s
After
-99.0 dBm -7.75 dB 3 MediumSlow 2025-09-12 05:28:15 View
RodashtasticπŸ—ΌπŸŒ (RDSt) +0.397s
After
-116.0 dBm -6.50 dB 3 MediumSlow 2025-09-12 05:28:15 View
Will - Azuqueca (WAzq) +1.000s
After
-77.0 dBm 7.00 dB 4 MediumSlow 2025-09-12 05:28:15 View
Mec Rocket Meco (MRM) +1.061s
After
-101.0 dBm -3.25 dB 4 MediumSlow 2025-09-12 05:28:15 View
Zion πŸ—Ό (Zion) +1.265s
After
-103.0 dBm -10.50 dB 4 MediumSlow 2025-09-12 05:28:16 View
Glitchs Azuqueca πŸ“‘ (GltA) +1.282s
After
-120.0 dBm -10.50 dB 4 MediumSlow 2025-09-12 05:28:16 View
16

Total Receptions

16

Unique Gateways