Packet #2334187 Success

POSITION_APP packet from HGL9 - PD0ZZ - Hengelo Ov (HGL9) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	2334187
Mesh Packet ID:	`0x1b3cb9ce` Used for correlation across gateways
Timestamp:	2025-08-14 00:54:56 UTC
From Node:	HGL9 - PD0ZZ - Hengelo Ov (HGL9)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	PE1RWP (1RWP)
Channel:	LongFast
RSSI:	-106 dBm
SNR:	-4.75 dBm
Hop Info:	3/7 hops Start: 7, Limit: 4

Payload Data

Protocol: POSITION_APP

Size: 20 bytes

Decoded: Yes

Decoded Data:

Latitude:	52.265328°
Longitude:	6.828378°
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:	20 bytes
Gateway:	!433dec18
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	3 / 7

Privacy Summary

Exposure Level:
Broadcast

Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked

Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 4 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!433dec18` Node ID format
`channel_id`	`LongFast` Default public channel
`packet`	`MeshPacket` (20 bytes) Contains the actual mesh network packet

MeshPacket Fields

Core mesh packet with routing and payload information

Field	Value	Type
`from`	`3926066804` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`20` bytes	size
`hop_limit`	`4` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`3` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-106.0` dBm Signal strength at gateway	int32
`rx_snr`	`-4.75` dB Signal quality at gateway	float
`rx_time`	`1755125694` 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`	Not set	uint32
`tx_after`	Not set	uint32
`timestamp`	`1755125696.0996072` 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

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared
⚠ Multi-hop path visible (3 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!433dec18`
Position Precision:	32 bits (~1.0m accuracy)
Position precision meters:	`1.0`
Signal Metrics:	RSSI: -106.0 dBm SNR: -4.75 dB

Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:

Protocol:	POSITION_APP
Size:	20 bytes
Decoded:	Yes

Complete Payload Data (JSON):

{ "latitude": 52.2653281, "longitude": 6.8283781, "altitude": null, "sats_in_view": null, "precision_bits": 32 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!433dec18", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3926066804, "to": 4294967295, "id": 456964558, "rx_time": 1755125694, "rx_snr": -4.75, "rx_rssi": -106, "hop_limit": 4, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d610e271f1585ed110425b8179d682802b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 522653281, "longitude_i": 68283781, "time": 1755125688, "location_source": "LOC_INTERNAL", "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (20 bytes)

0d610e271f1585ed110425b8179d682802b80120

Hex Analysis:

Size:	20 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
PE1RWP (1RWP) Primary	0.000s Reference	-106.0 dBm	-4.75 dB	3	LongFast	2025-08-14 00:54:56	Current
HGL0 - PD0ZZ - Hengelo Ov (HGL0)	-6.063s Before	-65.0 dBm	6.75 dB	0	LongFast	2025-08-14 00:54:50	View
HGL0 - PD0ZZ - Hengelo Ov (HGL0)	-5.930s Before	-65.0 dBm	6.75 dB	0	LongFast	2025-08-14 00:54:50	View
HGL0 - PD0ZZ - Hengelo Ov (HGL0)	-5.828s Before	-65.0 dBm	6.75 dB	0	LongFast	2025-08-14 00:54:50	View
HGL0 - PD0ZZ - Hengelo Ov (HGL0)	-5.824s Before	-65.0 dBm	6.75 dB	0	LongFast	2025-08-14 00:54:50	View
Renze 2 EORA-S3 (RN2)	-3.559s Before	-122.0 dBm	-12.25 dB	1	LongFast	2025-08-14 00:54:52	View
Renze 2 EORA-S3 (RN2)	-3.535s Before	-122.0 dBm	-12.25 dB	1	LongFast	2025-08-14 00:54:52	View
Renze 2 EORA-S3 (RN2)	-3.530s Before	-122.0 dBm	-12.25 dB	1	LongFast	2025-08-14 00:54:52	View
Renze 2 EORA-S3 (RN2)	-3.523s Before	-122.0 dBm	-12.25 dB	1	LongFast	2025-08-14 00:54:52	View
Meshtastic 7304 (7304)	-3.155s Before	-109.0 dBm	-3.50 dB	1	LongFast	2025-08-14 00:54:52	View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB)	-3.150s Before	-127.0 dBm	-6.75 dB	1	LongFast	2025-08-14 00:54:52	View
WST Drachten 2 (WST2)	-3.142s Before	-128.0 dBm	-20.00 dB	1	LongFast	2025-08-14 00:54:52	View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB)	-3.137s Before	-127.0 dBm	-6.75 dB	1	LongFast	2025-08-14 00:54:52	View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB)	-3.124s Before	-127.0 dBm	-6.75 dB	1	LongFast	2025-08-14 00:54:52	View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB)	-3.119s Before	-127.0 dBm	-6.75 dB	1	LongFast	2025-08-14 00:54:52	View
WST Drachten 1 (WST1)	-1.768s Before	-119.0 dBm	-10.25 dB	2	LongFast	2025-08-14 00:54:54	View
Tuindorp Enschede Gateway 🌐🔌 (TDRG)	-1.268s Before	-119.0 dBm	-9.25 dB	2	LongFast	2025-08-14 00:54:54	View
Tuindorp Enschede Gateway 🌐🔌 (TDRG)	-1.258s Before	-119.0 dBm	-9.25 dB	2	LongFast	2025-08-14 00:54:54	View
Tuindorp Enschede Gateway 🌐🔌 (TDRG)	-1.250s Before	-119.0 dBm	-9.25 dB	2	LongFast	2025-08-14 00:54:54	View
Tuindorp Enschede Gateway 🌐🔌 (TDRG)	-1.243s Before	-119.0 dBm	-9.25 dB	2	LongFast	2025-08-14 00:54:54	View
Afrithon (afrt)	-0.132s Before	-112.0 dBm	-12.75 dB	4	LongFast	2025-08-14 00:54:55	View
PA3JH 🗼 (2.7.3) (3JH2)	+0.230s After	-103.0 dBm	-3.00 dB	4	LongFast	2025-08-14 00:54:56	View
Soesterduinen🔌 🌐 🛰️ (🌲)	+1.678s After	-123.0 dBm	-15.25 dB	5	LongFast	2025-08-14 00:54:57	View
Wateringweg, Haarlem (WaHa)	+2.074s After	-112.0 dBm	-5.75 dB	5	LongFast	2025-08-14 00:54:58	View
013FvSBase-Meshtastic (4d10)	+2.277s After	-124.0 dBm	-14.75 dB	5	LongFast	2025-08-14 00:54:58	View
Tomtor Mobile (v7f2)	+3.057s After	-126.0 dBm	-14.00 dB	6	LongFast	2025-08-14 00:54:59	View
Meshtastic 4e50 (4e50)	+3.474s After	-124.0 dBm	-20.00 dB	6	LongFast	2025-08-14 00:54:59	View
NL-3534-Schepenbuurt🏠🔌🌐 (3534)	+3.884s After	-124.0 dBm	-15.50 dB	7	LongFast	2025-08-14 00:54:59	View
dJoris 📡🏠🌐 StaRF (j8bc)	+6.204s After	-119.0 dBm	-14.00 dB	7	LongFast	2025-08-14 00:55:02	View
Leimuiden - Bas (LMDN)	+10.716s After	-127.0 dBm	-19.50 dB	6	LongFast	2025-08-14 00:55:06	View
Colossus 1 (ccw1)	+12.091s After	-115.0 dBm	-7.50 dB	7	LongFast	2025-08-14 00:55:08	View

31

Total Receptions

19

Unique Gateways