Packet #12451066 Success

POSITION_APP packet from 🌐Charly Torre 1🛰 (C183) to !ffffffff

22
Total Receptions
22
Unique Gateways
3
Hop Count
27
Payload Bytes
Packet Information
Database ID: 12451066
Mesh Packet ID: 0x7a12f5f4
Used for correlation across gateways
Timestamp: 2025-09-27 14:51:56 UTC
From Node: 🌐Charly Torre 1🛰 (C183)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic 18a4 (18a4)
Channel: MediumSlow
RSSI: Unknown
SNR: Unknown
Hop Info: 3/4 hops
Start: 4, Limit: 1
Payload Data
Protocol: POSITION_APP
Size: 27 bytes
Decoded: Yes
Decoded Data:
Latitude:40.343142°
Longitude:-3.706880°
Altitude:25 m
Precision:18 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:27 bytes
Gateway:!c0c318a4
Channel:MediumSlow
Payload Type:POSITION_APP
Hop Count:3 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 1 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 !c0c318a4
Node ID format
channel_id MediumSlow
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3864652944
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 27 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 1758984772
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 96
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1758984716.652525
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: MediumSlow
  • ✓ 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 (3 hops)
MQTT-Specific Fields
Gateway ID: !c0c318a4
Position Precision: 18 bits (~91.0m accuracy)
Position precision meters: 91.0
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:27 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.3431424, "longitude": -3.70688, "altitude": 25, "sats_in_view": null, "precision_bits": 18 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c0c318a4", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3864652944, "to": 4294967295, "id": 2048062964, "rx_time": 1758984772, "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": 96, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00e00b18150060cafd1819252208d86828017800800100b80112", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403431424, "longitude_i": -37068800, "altitude": 25, "time": 1758988322, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 18, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0d00e00b18150060cafd1819252208d86828017800800100b80112
Hex Analysis:
Size:27 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 Channel Timestamp Actions
Meshtastic 18a4 (18a4) Primary 0.000s
Reference 		Unknown Unknown 3 MediumSlow 2025-09-27 14:51:56 Current
🌐Charly Unid Movil🛰 (C181) -11.202s
Before 		-24.0 dBm 8.75 dB 0 MediumSlow 2025-09-27 14:51:45 View
Baldur Fijo (BalF) -1.282s
Before 		-116.0 dBm -7.50 dB 1 MediumSlow 2025-09-27 14:51:55 View
Meshtastic c498📡🌐 (C498) -1.280s
Before 		-117.0 dBm -12.25 dB 1 MediumSlow 2025-09-27 14:51:55 View
Will - Azuqueca (WAzq) -0.733s
Before 		-108.0 dBm 0.25 dB 2 MediumSlow 2025-09-27 14:51:55 View
g1bal (g1b0) -0.731s
Before 		-113.0 dBm -8.00 dB 2 MediumSlow 2025-09-27 14:51:55 View
Venturada2🗼🌐☀️ (Vb2) -0.729s
Before 		-95.0 dBm 2.25 dB 2 MediumSlow 2025-09-27 14:51:55 View
EA5GHE-09 (58a8) -0.608s
Before 		-108.0 dBm -14.75 dB 2 MediumSlow 2025-09-27 14:51:56 View
SkG@Somewhere 🤨 (SkG?) -0.451s
Before 		-106.0 dBm 1.00 dB 2 MediumSlow 2025-09-27 14:51:56 View
Malasaña Solar ☀️ (🌇) -0.448s
Before 		-116.0 dBm -7.50 dB 2 MediumSlow 2025-09-27 14:51:56 View
Machu Pichu (MaPi) -0.441s
Before 		-94.0 dBm 2.00 dB 2 MediumSlow 2025-09-27 14:51:56 View
Fuenca fijo (c578) -0.439s
Before 		-123.0 dBm -10.50 dB 2 MediumSlow 2025-09-27 14:51:56 View
Rodashtastic🗼🌐 (RDSt) -0.396s
Before 		-113.0 dBm -5.50 dB 2 MediumSlow 2025-09-27 14:51:56 View
[TLG] 📡🌐🔋🔌 (tlg0) -0.393s
Before 		-111.0 dBm -5.00 dB 2 MediumSlow 2025-09-27 14:51:56 View
Meshtastic 1760 (1760) -0.387s
Before 		-121.0 dBm -3.50 dB 2 MediumSlow 2025-09-27 14:51:56 View
Naranjo C191 🌐 (FNL) -0.385s
Before 		-112.0 dBm -3.75 dB 2 MediumSlow 2025-09-27 14:51:56 View
Mec Rocket Meco (MRM) +0.456s
After 		-34.0 dBm 8.25 dB 3 MediumSlow 2025-09-27 14:51:57 View
Monolito (MoN) +1.541s
After 		-67.0 dBm 8.00 dB 3 MediumSlow 2025-09-27 14:51:58 View
Glitchs Azuqueca 📡 (GltA) +12.368s
After 		-125.0 dBm -14.25 dB 3 MediumSlow 2025-09-27 14:52:09 View
SkG@Home 📡🌐 (SkGH) +12.388s
After 		-123.0 dBm -13.50 dB 3 MediumSlow 2025-09-27 14:52:09 View
C191 🌐 (C191) +278.772s
After 		-122.0 dBm -14.50 dB 2 MediumSlow 2025-09-27 14:56:35 View
Wis 7d99 (7d99) +672.184s
After 		-33.0 dBm 8.50 dB 2 MediumSlow 2025-09-27 15:03:08 View
22

Total Receptions

22

Unique Gateways