Packet #2889447 Success

POSITION_APP packet from ClaremontWx.net (CmWx) to Najar MC Node (⚡)

15
Total Receptions
15
Unique Gateways
0
Hop Count
23
Payload Bytes
Packet Information
Database ID: 2889447
Mesh Packet ID: 0x854e7aba
Used for correlation across gateways
Timestamp: 2025-11-29 09:57:00 UTC
From Node: ClaremontWx.net (CmWx)
To Node: Najar MC Node (⚡)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: ClaremontWx.net (CmWx)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: 57 CmWx
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: POSITION_APP
Size: 23 bytes
Decoded: Yes
Decoded Data:
Latitude:40.707995°
Longitude:-74.075001°
Altitude:22 m
Precision:350 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:23 bytes
Gateway:!27532a57
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !27532a57
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (23 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 659761751
Source node ID 		uint32
to 1742369766
Target node ID 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 23 bytes size
hop_limit 7
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1764410333
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 70
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 87
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1764410220.04823
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
MQTT-Specific Fields
Gateway ID: !27532a57
Position Precision: 350 bits (~1.0m accuracy)
Position precision meters: 1.0
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:23 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 40.707995, "longitude": -74.075001, "altitude": 22, "sats_in_view": null, "precision_bits": 350 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!27532a57", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 659761751, "to": 1742369766, "id": 2236512954, "rx_time": 1764410333, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 7, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 87, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0e8c431815460dd9d3181628017800800100b801de02", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 407079950, "longitude_i": -740750010, "altitude": 22, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 350, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (23 bytes)
0d0e8c431815460dd9d3181628017800800100b801de02
Hex Analysis:
Size:23 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 Relay Channel Timestamp Actions
ClaremontWx.net (CmWx) Primary 0.000s
Reference 		Unknown Unknown 0 57 CmWx LongFast 2025-11-29 09:57:00 UTC Current
Sunset Soda (p8p) +3.231s
After 		-122.0 dBm -11.25 dB 0 57 CmWx LongFast 2025-11-29 09:57:03 UTC View
Claudiopolis-440c (440c) +3.462s
After 		-102.0 dBm -17.00 dB 0 57 CmWx LongFast 2025-11-29 09:57:03 UTC View
K2XAP / nyme.sh (XAP) +6.126s
After 		-42.0 dBm 5.75 dB 0 57 CmWx LongFast 2025-11-29 09:57:06 UTC View
Meshtastic 631c (631c) +7.330s
After 		-105.0 dBm -14.25 dB 1 - LongFast 2025-11-29 09:57:07 UTC View
Steiner Studios Tower (SST) +8.140s
After 		-112.0 dBm -9.00 dB 1 c9 Penn , JLX3 LongFast 2025-11-29 09:57:08 UTC View
CW Mobile 1 | https://nyme.sh (CWM1) +8.425s
After 		-91.0 dBm -12.50 dB 1 c9 Penn LongFast 2025-11-29 09:57:08 UTC View
DRP1 Chelsea (DRP1) +8.462s
After 		-77.0 dBm 5.75 dB 1 c9 Penn , JLX3 LongFast 2025-11-29 09:57:08 UTC View
nLink-NY-Jamaica1 (NLJ1) +9.679s
After 		-88.0 dBm 1.00 dB 2 88 grns , 2f88 , P3NY LongFast 2025-11-29 09:57:09 UTC View
Gowanus Soda (p1p) +11.696s
After 		-104.0 dBm 0.50 dB 2 1c 631c LongFast 2025-11-29 09:57:11 UTC View
NHaledon - Dorothy (NHDO) +14.300s
After 		-110.0 dBm -8.25 dB 2 4b LongFast 2025-11-29 09:57:14 UTC View
Fried Fish 1 | nyme.sh (FF1) +14.847s
After 		-104.0 dBm -12.50 dB 2 - LongFast 2025-11-29 09:57:14 UTC View
dkTowerBot (dkTB) +17.100s
After 		-101.0 dBm -12.50 dB 2 80 tks , LLR1 , ncmc , NLmH , LOD LongFast 2025-11-29 09:57:17 UTC View
YMH 1 @ Your Mom’s House (YMH1) +22.993s
After 		-122.0 dBm -13.25 dB 3 1d GSIW LongFast 2025-11-29 09:57:23 UTC View
KD2 WisBlock (KD2W) +118.636s
After 		-76.0 dBm 4.00 dB 6 12 KD22 LongFast 2025-11-29 09:58:58 UTC View
15

Total Receptions

15

Unique Gateways