Packet #13067459 Success

POSITION_APP packet from jopsis_base_gtf1 (cf1c) to !ffffffff

22
Total Receptions
22
Unique Gateways
2
Hop Count
33
Payload Bytes
Packet Information
Database ID: 13067459
Mesh Packet ID: 0x2e9d2213
Used for correlation across gateways
Timestamp: 2025-10-01 07:06:56 UTC
From Node: jopsis_base_gtf1 (cf1c)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Garbanz0πŸ“‘ (Gbz0)
Channel: MediumSlow
RSSI: -106 dBm
SNR: 3.75 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: POSITION_APP
Size: 33 bytes
Decoded: Yes
Decoded Data:
Latitude:40.316319Β°
Longitude:-3.705284Β°
Altitude:649 m
Satellites:15
Precision:32 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:33 bytes
Gateway:!298c1628
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 !298c1628
Node ID format
channel_id MediumSlow
packet MeshPacket (33 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3644509980
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 2
Remaining hops allowed
uint32
hop_start 4
Initial hop limit
uint32
hops_taken 2
Calculated: hop_start - hop_limit
derived
rx_rssi -106.0 dBm
Signal strength at gateway
int32
rx_snr 3.75 dB
Signal quality at gateway
float
rx_time 1759302416
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 244
Relay node ID
uint32
tx_after Not set uint32
timestamp 1759302416.757411
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: !298c1628
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -106.0 dBm
SNR: 3.75 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": 40.3163186, "longitude": -3.7052838, "altitude": 649, "sats_in_view": 15, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!298c1628", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3644509980, "to": 4294967295, "id": 782049811, "rx_time": 1759302416, "rx_snr": 3.75, "rx_rssi": -106, "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": 244, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d32c80718155a9ecafd188905250dd3dc6828025870780080010098010fb80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 403163186, "longitude_i": -37052838, "altitude": 649, "time": 1759302413, "location_source": "LOC_INTERNAL", "PDOP": 112, "ground_speed": 0, "ground_track": 0, "sats_in_view": 15, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (33 bytes)
0d32c80718155a9ecafd188905250dd3dc6828025870780080010098010fb80120
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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Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
Garbanz0πŸ“‘ (Gbz0) Primary 0.000s
Reference
-106.0 dBm 3.75 dB 2 MediumSlow 2025-10-01 07:06:56 Current
Baldur Fijo (BalF) -2.381s
Before
-118.0 dBm -10.25 dB 0 MediumSlow 2025-10-01 07:06:54 View
Getafe C191 (GTF) -2.349s
Before
-119.0 dBm -10.50 dB 0 MediumSlow 2025-10-01 07:06:54 View
Perseo πŸ“‘πŸŒβ˜€ (nvm1) -1.373s
Before
-105.0 dBm -11.75 dB 1 MediumSlow 2025-10-01 07:06:55 View
🌐Charly Unid MovilπŸ›° (C181) -0.816s
Before
-122.0 dBm -15.00 dB 1 MediumSlow 2025-10-01 07:06:55 View
[TLG] πŸ“‘πŸŒπŸ”‹πŸ”Œ (tlg0) -0.767s
Before
-111.0 dBm -10.00 dB 1 MediumSlow 2025-10-01 07:06:55 View
TO_Cala_Base2πŸ—ΌπŸŒβ˜€οΈ (33C8) -0.161s
Before
-113.0 dBm -13.00 dB 2 MediumSlow 2025-10-01 07:06:56 View
Venturada2πŸ—ΌπŸŒβ˜€οΈ (Vb2) -0.033s
Before
-95.0 dBm -4.75 dB 2 MediumSlow 2025-10-01 07:06:56 View
EA4HTS Ventas πŸ—ΌπŸ‡ͺπŸ‡Έ (HTSv) -0.005s
Before
-116.0 dBm -8.50 dB 2 MediumSlow 2025-10-01 07:06:56 View
Meshtastic 870cπŸ“‘πŸŒ (870c) +0.051s
After
-98.0 dBm 1.25 dB 2 MediumSlow 2025-10-01 07:06:56 View
SkG@Home πŸ“‘πŸŒ (SkGH) +0.128s
After
-122.0 dBm -13.75 dB 2 MediumSlow 2025-10-01 07:06:56 View
RodashtasticπŸ—ΌπŸŒ (RDSt) +0.300s
After
-114.0 dBm -6.00 dB 2 MediumSlow 2025-10-01 07:06:57 View
Will - Azuqueca (WAzq) +1.097s
After
-104.0 dBm -7.25 dB 2 MediumSlow 2025-10-01 07:06:57 View
Mec Rocket Meco (MRM) +1.099s
After
-91.0 dBm 5.50 dB 2 MediumSlow 2025-10-01 07:06:57 View
Ocumare_Base_πŸ—ΌπŸŒ (CATA) +1.385s
After
-103.0 dBm -14.00 dB 3 MediumSlow 2025-10-01 07:06:58 View
Glitchs Azuqueca πŸ“‘ (GltA) +1.459s
After
-117.0 dBm -6.25 dB 2 MediumSlow 2025-10-01 07:06:58 View
Naranjo C191 🌐 (FNL) +1.472s
After
-114.0 dBm -5.25 dB 2 MediumSlow 2025-10-01 07:06:58 View
Zion πŸ—Ό (Zion) +2.327s
After
-107.0 dBm -15.25 dB 3 MediumSlow 2025-10-01 07:06:59 View
Monolito (MoN) +2.459s
After
-67.0 dBm 8.75 dB 4 MediumSlow 2025-10-01 07:06:59 View
myounges (msy) +2.792s
After
-129.0 dBm -5.50 dB 3 MediumSlow 2025-10-01 07:06:59 View
Meshtastic 1760 (1760) +3.161s
After
-113.0 dBm Unknown 3 MediumSlow 2025-10-01 07:06:59 View
Meshtastic 18a4 (18a4) +4.891s
After
-50.0 dBm 14.50 dB 4 MediumSlow 2025-10-01 07:07:01 View
22

Total Receptions

22

Unique Gateways