Packet #2684884 Success

POSITION_APP packet from PA3JH 🗼 (2.7.3) (3JH2) to !ffffffff

33
Total Receptions
33
Unique Gateways
0
Hop Count
27
Payload Bytes
Packet Information
Database ID: 2684884
Mesh Packet ID: 0xba222b45
Used for correlation across gateways
Timestamp: 2025-08-16 13:11:12 UTC
From Node: PA3JH 🗼 (2.7.3) (3JH2)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: PA3JH 🗼 (2.7.3) (3JH2)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/5 hops
Start: 5, Limit: 5
Payload Data
Protocol: POSITION_APP
Size: 27 bytes
Decoded: Yes
Decoded Data:
Latitude:51.443611°
Longitude:5.471520°
Altitude:12 m
Precision:32 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:!33677d28
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !33677d28
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 862420264
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 5
Remaining hops allowed 		uint32
hop_start 5
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 1755342669
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
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 40
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1755342672.0578282
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)
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
MQTT-Specific Fields
Gateway ID: !33677d28
Position Precision: 32 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:27 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 51.4436114, "longitude": 5.4715205, "altitude": 12, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!33677d28", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 862420264, "to": 4294967295, "id": 3122801477, "rx_time": 1755342669, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 5, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 40, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d12aca91e1545e34203180c254d67a06828017800800100b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 514436114, "longitude_i": 54715205, "altitude": 12, "time": 1755342669, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0d12aca91e1545e34203180c254d67a06828017800800100b80120
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
PA3JH 🗼 (2.7.3) (3JH2) Primary 0.000s
Reference 		Unknown Unknown 0 LongFast 2025-08-16 13:11:12 Current
PA3JH 🏠 (2.7.5) (3JH1) +4.326s
After 		-114.0 dBm -18.00 dB 0 LongFast 2025-08-16 13:11:16 View
Daniela VHV (dnla) +5.585s
After 		-101.0 dBm 4.50 dB 1 LongFast 2025-08-16 13:11:17 View
Meshtastic f61e (f61e) +240.330s
After 		-122.0 dBm -19.25 dB 2 LongFast 2025-08-16 13:15:12 View
Meshtastic gf30c (gf3c) +240.465s
After 		-122.0 dBm -1.75 dB 2 LongFast 2025-08-16 13:15:12 View
Afrithon (afrt) +240.480s
After 		-94.0 dBm 3.00 dB 2 LongFast 2025-08-16 13:15:12 View
Soesterduinen🔌 🌐 🛰️ (🌲) +240.499s
After 		-118.0 dBm -9.75 dB 2 LongFast 2025-08-16 13:15:12 View
Meshtastic 7c28 (7c28) +240.650s
After 		-126.0 dBm -10.75 dB 2 LongFast 2025-08-16 13:15:12 View
Meshbase (Mshb) +240.706s
After 		-126.0 dBm -16.25 dB 2 LongFast 2025-08-16 13:15:12 View
dJoris 📡🏠🌐 StaRF (j8bc) +240.716s
After 		-120.0 dBm -15.00 dB 2 LongFast 2025-08-16 13:15:12 View
MT Node Pey (PEY) +240.738s
After 		-114.0 dBm -9.00 dB 2 LongFast 2025-08-16 13:15:12 View
Hatate (GSK0) +240.753s
After 		-107.0 dBm -8.00 dB 2 LongFast 2025-08-16 13:15:12 View
Joozt - Rijen 🏠 (JZT) +240.776s
After 		-113.0 dBm -3.75 dB 2 LongFast 2025-08-16 13:15:12 View
SimbaNova (8139) +240.789s
After 		-113.0 dBm -2.50 dB 2 LongFast 2025-08-16 13:15:12 View
RJ_Rook_1 (RJR1) +240.800s
After 		-128.0 dBm -16.50 dB 2 LongFast 2025-08-16 13:15:12 View
QLMeshBase - Apeldoorn (QLMB) +240.814s
After 		-128.0 dBm -18.25 dB 2 LongFast 2025-08-16 13:15:12 View
Meshtastic 4e50 (4e50) +240.824s
After 		-123.0 dBm -12.00 dB 2 LongFast 2025-08-16 13:15:12 View
Chopin (Chpn) +240.840s
After 		-144.0 dBm -20.00 dB 2 LongFast 2025-08-16 13:15:12 View
HolRad (HlRd) +240.855s
After 		-125.0 dBm -15.50 dB 2 LongFast 2025-08-16 13:15:12 View
Kiep (KIEP) +241.855s
After 		-127.0 dBm -17.50 dB -2 LongFast 2025-08-16 13:15:13 View
NL-3534-Schepenbuurt🏠🔌🌐 (3534) +242.062s
After 		-99.0 dBm 5.25 dB 3 LongFast 2025-08-16 13:15:14 View
bertrik@gmail.com (HvLn) +242.218s
After 		-126.0 dBm -16.50 dB 3 LongFast 2025-08-16 13:15:14 View
RSD Langdonk01 🌐 (RL01) +242.354s
After 		-50.0 dBm 6.50 dB 3 LongFast 2025-08-16 13:15:14 View
NL-3545-Knalliebar (KNB0) +242.490s
After 		-128.0 dBm -19.00 dB 3 LongFast 2025-08-16 13:15:14 View
PD0WES-Louis-3543 (PL43) +242.499s
After 		-96.0 dBm -8.50 dB 3 LongFast 2025-08-16 13:15:14 View
MJ T-Beam (MJee) +242.514s
After 		-118.0 dBm 1.50 dB 3 LongFast 2025-08-16 13:15:14 View
PT | T-Deck 2 (PTD2) +243.164s
After 		-44.0 dBm 6.00 dB 4 LongFast 2025-08-16 13:15:15 View
Colossus 1 (ccw1) +244.296s
After 		-125.0 dBm -16.00 dB 4 LongFast 2025-08-16 13:15:16 View
Hillywood Oost (HOOS) +245.056s
After 		-124.0 dBm -16.00 dB 4 LongFast 2025-08-16 13:15:17 View
HLM Raaks Base 🏡🛜 (HLR1) +245.190s
After 		-120.0 dBm -13.00 dB 5 LongFast 2025-08-16 13:15:17 View
Wateringweg, Haarlem (WaHa) +246.329s
After 		-91.0 dBm 5.25 dB 5 LongFast 2025-08-16 13:15:18 View
Hendrik ido ambacht 3 (Hia3) +246.463s
After 		-130.0 dBm -8.00 dB 4 LongFast 2025-08-16 13:15:18 View
Ulftastic Fixed 1 (UTF1) +755.919s
After 		-113.0 dBm -3.50 dB 2 LongFast 2025-08-16 13:23:47 View
33

Total Receptions

33

Unique Gateways