Packet #1000850 Success

POSITION_APP packet from Neutron Mobile (JL1) to !7b6c5640

11
Total Receptions
11
Unique Gateways
1
Hop Count
35
Payload Bytes
Packet Information
Database ID: 1000850
Mesh Packet ID: 0x13451e1b
Used for correlation across gateways
Timestamp: 2026-06-05 17:58:59 UTC
From Node: Neutron Mobile (JL1)
To Node: !7b6c5640 (5640)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: NU8H-1 (U8H1)
Channel: LongFast
RSSI: -123 dBm
SNR: -12.25 dBm
Hop Info: 1/5 hops
Start: 5, Limit: 4
Relay Node: None
Payload Data
Protocol: POSITION_APP
Size: 35 bytes
Decoded: Yes
Decoded Data:
Latitude:45.110344°
Longitude:-76.599453°
Altitude:10137 m
Satellites:12
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:35 bytes
Gateway:!433e7cf0
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:1 / 5
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

FieldValue
gateway_id !433e7cf0
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (35 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Canonical MeshPacket view reconstructed from stored protobuf bytes.

FieldValueType
from 3790441190
Source node ID 		uint32
to 2070697536
Target node ID 		uint32
decoded.portnum POSITION_APP
POSITION_APP 		enum
decoded.payload_length 35 bytes size
hop_limit 4
Remaining hops allowed 		uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi -123.0 dBm
Signal strength at gateway 		int32
rx_snr -12.25 dB
Signal quality at gateway 		float
rx_time 1780682338
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 8
Channel index 		uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node Not set uint32
tx_after Not set uint32
timestamp Not set 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
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !433e7cf0
Signal Metrics: RSSI: -123.0 dBm
SNR: -12.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:35 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 45.1103445, "longitude": -76.5994528, "altitude": 10137, "sats_in_view": 12, "precision_bits": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "packet": { "from": 3790441190, "to": 2070697536, "channel": 8, "decoded": { "portnum": "POSITION_APP", "payload": "DdVK4xoV4NlX0hiZTyUkBSNqKAM9JAUjanjTAYAB8AGYAQw=", "want_response": true, "bitfield": 3 }, "id": 323296795, "rx_time": 1780682338, "rx_snr": -12.25, "hop_limit": 4, "rx_rssi": -123, "hop_start": 5 }, "channel_id": "LongFast", "gateway_id": "!433e7cf0" }, "mesh_packet": { "from": 3790441190, "to": 2070697536, "channel": 8, "decoded": { "portnum": "POSITION_APP", "payload": "DdVK4xoV4NlX0hiZTyUkBSNqKAM9JAUjanjTAYAB8AGYAQw=", "want_response": true, "bitfield": 3, "parsed_payload": { "latitude_i": 451103445, "longitude_i": -765994528, "altitude": 10137, "time": 1780679972, "location_source": "LOC_EXTERNAL", "timestamp": 1780679972, "ground_speed": 211, "ground_track": 240, "sats_in_view": 12, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } }, "id": 323296795, "rx_time": 1780682338, "rx_snr": -12.25, "hop_limit": 4, "rx_rssi": -123, "hop_start": 5 } }
Raw Packet Data (35 bytes)
0dd54ae31a15e0d957d218994f252405236a28033d2405236a78d3018001f00198010c
Hex Analysis:
Size:35 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
NU8H-1 (U8H1) Primary 0.000s
Reference 		-123.0 dBm -12.25 dB 1 - LongFast 2026-06-05 17:58:59 UTC Current
0 hops (direct receptions) Gateways that heard the packet directly from the source
Leaf Coventry (neome.sh) (cvnt) -1.499s
Before 		-136.0 dBm -13.75 dB 0 e6 JL1 LongFast 2026-06-05 17:58:57 UTC View
AB8M-Home (AB8M) -1.751s
Before 		-128.0 dBm -18.50 dB 0 e6 JL1 LongFast 2026-06-05 17:58:57 UTC View
1 hop Gateways that received this packet after 1 hop
km8v 4base (8v10) +0.088s
After 		-105.0 dBm -10.00 dB 1 - LongFast 2026-06-05 17:58:59 UTC View
2 hops Gateways that received this packet after 2 hops
KA8OAD-3 (OAD3) +1.418s
After 		-48.0 dBm 12.25 dB 2 78 FIY1 , OAD1 LongFast 2026-06-05 17:59:00 UTC View
8vpi (4bb7) +1.593s
After 		-24.0 dBm 6.25 dB 2 20 8v10 LongFast 2026-06-05 17:59:01 UTC View
Auburn Solar Tower (ATWR) +3.365s
After 		-111.0 dBm -1.25 dB 2 86 NBRY LongFast 2026-06-05 17:59:02 UTC View
Meshtastic 0480 (0480) +2.357s
After 		-128.0 dBm -18.25 dB 2 - LongFast 2026-06-05 17:59:01 UTC View
W8IJC's Portable T-Beam Node (IJC2) +2.471s
After 		-52.0 dBm 6.25 dB 2 87 IJC1 LongFast 2026-06-05 17:59:01 UTC View
3 hops Gateways that received this packet after 3 hops
Quacks MQTT (8ORQ) +3.801s
After 		-103.0 dBm -12.50 dB 3 80 LongFast 2026-06-05 17:59:03 UTC View
4 hops Gateways that received this packet after 4 hops
KE8YIR-1 (YIR1) +5.954s
After 		-46.0 dBm 6.50 dB 4 20 YIR3 LongFast 2026-06-05 17:59:05 UTC View
11

Total Receptions

11

Unique Gateways