Packet #12288988 Success

POSITION_APP packet from Skynet_Base_CLB 🌞🏒 (SkyB) to !ffffffff

27
Total Receptions
27
Unique Gateways
2
Hop Count
20
Payload Bytes
Packet Information
Database ID: 12288988
Mesh Packet ID: 0x57934040
Used for correlation across gateways
Timestamp: 2025-09-26 16:58:38 UTC
From Node: Skynet_Base_CLB 🌞🏒 (SkyB)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: g1bal (g1b0)
Channel: MediumSlow
RSSI: -103 dBm
SNR: 3.0 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: POSITION_APP
Size: 20 bytes
Decoded: Yes
Decoded Data:
Latitude:40.321024Β°
Longitude:-3.706061Β°
Precision:16 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:20 bytes
Gateway:!a0cb1ca0
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:2 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
βœ“ Direct LoRa transmission (not via MQTT)
βœ“ Custom channel: MediumSlow
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a0cb1ca0
Node ID format
channel_id MediumSlow
packet MeshPacket (20 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 4005990957
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 20 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 4
Initial hop limit
uint32
hops_taken 2
Calculated: hop_start - hop_limit
derived
rx_rssi -103.0 dBm
Signal strength at gateway
int32
rx_snr 3.00 dB
Signal quality at gateway
float
rx_time 1758905918
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 245
Relay node ID
uint32
tx_after Not set uint32
timestamp 1758905918.8673887
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
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a0cb1ca0
Position Precision: 16 bits (~364.0m accuracy)
Position precision meters: 364.0
Signal Metrics: RSSI: -103.0 dBm
SNR: 3.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:20 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.321024, "longitude": -3.7060608, "altitude": null, "sats_in_view": null, "precision_bits": 16 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a0cb1ca0", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 4005990957, "to": 4294967295, "id": 1469268032, "rx_time": 1758905918, "rx_snr": 3.0, "rx_rssi": -103, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 245, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00800818150080cafd2537c6d6682801b80110", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403210240, "longitude_i": -37060608, "time": 1758905911, "location_source": "LOC_MANUAL", "precision_bits": 16, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (20 bytes)
0d00800818150080cafd2537c6d6682801b80110
Hex Analysis:
Size:20 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
g1bal (g1b0) Primary 0.000s
Reference
-103.0 dBm 3.00 dB 2 MediumSlow 2025-09-26 16:58:38 Current
Skynet_Mov_CLM (SkyM) -2.618s
Before
-41.0 dBm 9.00 dB 0 MediumSlow 2025-09-26 16:58:36 View
Meshtastic c498πŸ“‘πŸŒ (C498) -2.273s
Before
-115.0 dBm -12.25 dB 0 MediumSlow 2025-09-26 16:58:36 View
Baldur Fijo (BalF) -2.271s
Before
-104.0 dBm 3.50 dB 0 MediumSlow 2025-09-26 16:58:36 View
Meshtastic 53fc (53fc) -1.270s
Before
-115.0 dBm -3.25 dB 0 MediumSlow 2025-09-26 16:58:37 View
GRN1-BaseπŸ—ΌπŸŒ (GRN1) -0.515s
Before
-100.0 dBm -4.00 dB 1 MediumSlow 2025-09-26 16:58:38 View
Venturada2πŸ—ΌπŸŒβ˜€οΈ (Vb2) -0.021s
Before
-88.0 dBm 4.50 dB 2 MediumSlow 2025-09-26 16:58:38 View
Meshtastic 1760 (1760) +0.333s
After
-127.0 dBm -8.00 dB 2 MediumSlow 2025-09-26 16:58:39 View
Suop πŸ“‘ 🌐 (SUOP) +0.336s
After
-117.0 dBm -9.50 dB 2 MediumSlow 2025-09-26 16:58:39 View
Kenobi23 QTH (5aec) +0.571s
After
-100.0 dBm -2.00 dB 2 MediumSlow 2025-09-26 16:58:39 View
Meshtastic 9b88 (9b88) +1.044s
After
-115.0 dBm -13.75 dB 2 MediumSlow 2025-09-26 16:58:39 View
Meshtastic 18a4 (18a4) +1.169s
After
-50.0 dBm 12.50 dB 3 MediumSlow 2025-09-26 16:58:40 View
Ocumare_Base_πŸ—ΌπŸŒ (CATA) +2.199s
After
-80.0 dBm 9.00 dB 3 MediumSlow 2025-09-26 16:58:41 View
[TLG] πŸ“‘πŸŒπŸ”‹πŸ”Œ (tlg0) +2.262s
After
-109.0 dBm -4.25 dB 3 MediumSlow 2025-09-26 16:58:41 View
SkG@Home πŸ“‘πŸŒ (SkGH) +2.265s
After
-124.0 dBm -14.50 dB 3 MediumSlow 2025-09-26 16:58:41 View
Mec Rocket Meco (MRM) +3.135s
After
-36.0 dBm 9.00 dB 3 MediumSlow 2025-09-26 16:58:42 View
Monolito (MoN) +3.215s
After
-71.0 dBm 8.75 dB 4 MediumSlow 2025-09-26 16:58:42 View
MouMesBase-CLM-868 (MMsB) +3.663s
After
-33.0 dBm 8.00 dB 3 MediumSlow 2025-09-26 16:58:42 View
Will - Azuqueca (WAzq) +4.158s
After
-108.0 dBm -7.00 dB 3 MediumSlow 2025-09-26 16:58:43 View
Machu Pichu (MaPi) +4.379s
After
-92.0 dBm 2.75 dB 3 MediumSlow 2025-09-26 16:58:43 View
RodashtasticπŸ—ΌπŸŒ (RDSt) +4.423s
After
-113.0 dBm -6.00 dB 3 MediumSlow 2025-09-26 16:58:43 View
Naranjo C191 🌐 (FNL) +4.437s
After
-114.0 dBm -5.50 dB 3 MediumSlow 2025-09-26 16:58:43 View
TO_Cala_Base2πŸ—ΌπŸŒβ˜€οΈ (33C8) +5.040s
After
-109.0 dBm -13.25 dB 4 MediumSlow 2025-09-26 16:58:43 View
Trasto 🐰 Va (trva) +5.318s
After
-110.0 dBm -17.00 dB 4 MediumSlow 2025-09-26 16:58:44 View
Alma Tracker (AGPS) +5.537s
After
-104.0 dBm -14.50 dB 4 MediumSlow 2025-09-26 16:58:44 View
Meshtastic 870cπŸ“‘πŸŒ (870c) +14.323s
After
-46.0 dBm 8.75 dB 4 MediumSlow 2025-09-26 16:58:53 View
🌐Charly Unid MovilπŸ›° (C181) +1018.709s
After
-120.0 dBm -17.25 dB 0 MediumSlow 2025-09-26 17:15:37 View
27

Total Receptions

27

Unique Gateways