Packet #2351176 Success

POSITION_APP packet from HGL0 - PD0ZZ - Hengelo Ov (HGL0) to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	2351176
Mesh Packet ID:	`0xed41b4a3` Used for correlation across gateways
Timestamp:	2025-08-14 03:24:15 UTC
From Node:	HGL0 - PD0ZZ - Hengelo Ov (HGL0)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	Jan_868_02 (Jn_2)
Channel:	LongFast
RSSI:	-93 dBm
SNR:	-4.25 dBm
Hop Info:	4/7 hops Start: 7, Limit: 3

Payload Data

Protocol: POSITION_APP

Size: 20 bytes

Decoded: Yes

Decoded Data:

Latitude:	52.264913°
Longitude:	6.828384°
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:	!75d5e168
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	4 / 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`	`!75d5e168` 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`	`2733363716` 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`	`3` Remaining hops allowed	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`4` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-93.0` dBm Signal strength at gateway	int32
`rx_snr`	`-4.25` dB Signal quality at gateway	float
`rx_time`	`1755134655` 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`	`1755134655.811389` 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 (4 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!75d5e168`
Position Precision:	32 bits (~1.0m accuracy)
Position precision meters:	`1.0`
Signal Metrics:	RSSI: -93.0 dBm SNR: -4.25 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": 52.264913, "longitude": 6.828384, "altitude": null, "sats_in_view": null, "precision_bits": 32 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!75d5e168", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2733363716, "to": 4294967295, "id": 3980506275, "rx_time": 1755134655, "rx_snr": -4.25, "rx_rssi": -93, "hop_limit": 3, "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": "0d2afe261f15c0ed110425ac3a9d682801b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 522649130, "longitude_i": 68283840, "time": 1755134636, "location_source": "LOC_MANUAL", "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (20 bytes)

0d2afe261f15c0ed110425ac3a9d682801b80120

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
Jan_868_02 (Jn_2) Primary	0.000s Reference	-93.0 dBm	-4.25 dB	4	LongFast	2025-08-14 03:24:15	Current
HGL0 - PD0ZZ - Hengelo Ov (HGL0)	-18.041s Before	Unknown	Unknown	0	LongFast	2025-08-14 03:23:57	View
HGL0 - PD0ZZ - Hengelo Ov (HGL0)	-17.908s Before	Unknown	Unknown	0	LongFast	2025-08-14 03:23:57	View
HGL0 - PD0ZZ - Hengelo Ov (HGL0)	-17.900s Before	Unknown	Unknown	0	LongFast	2025-08-14 03:23:57	View
HGL0 - PD0ZZ - Hengelo Ov (HGL0)	-17.894s Before	Unknown	Unknown	0	LongFast	2025-08-14 03:23:57	View
Renze 2 EORA-S3 (RN2)	-16.829s Before	-121.0 dBm	-11.25 dB	0	LongFast	2025-08-14 03:23:58	View
Renze 2 EORA-S3 (RN2)	-16.808s Before	-121.0 dBm	-11.25 dB	0	LongFast	2025-08-14 03:23:59	View
Renze 2 EORA-S3 (RN2)	-16.801s Before	-121.0 dBm	-11.25 dB	0	LongFast	2025-08-14 03:23:59	View
Renze 2 EORA-S3 (RN2)	-16.792s Before	-121.0 dBm	-11.25 dB	0	LongFast	2025-08-14 03:23:59	View
Meshtastic 7304 (7304)	-16.511s Before	-108.0 dBm	-5.25 dB	0	LongFast	2025-08-14 03:23:59	View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB)	-16.414s Before	-129.0 dBm	-7.25 dB	0	LongFast	2025-08-14 03:23:59	View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB)	-16.406s Before	-129.0 dBm	-7.25 dB	0	LongFast	2025-08-14 03:23:59	View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB)	-16.399s Before	-129.0 dBm	-7.25 dB	0	LongFast	2025-08-14 03:23:59	View
ENS_EAUROUGE_NL 🏠 🌐 (ENSB)	-16.389s Before	-129.0 dBm	-7.25 dB	0	LongFast	2025-08-14 03:23:59	View
Tuindorp Enschede Gateway 🌐🔌 (TDRG)	-14.626s Before	-116.0 dBm	-6.50 dB	1	LongFast	2025-08-14 03:24:01	View
Tuindorp Enschede Gateway 🌐🔌 (TDRG)	-14.622s Before	-116.0 dBm	-6.50 dB	1	LongFast	2025-08-14 03:24:01	View
Tuindorp Enschede Gateway 🌐🔌 (TDRG)	-14.617s Before	-116.0 dBm	-6.50 dB	1	LongFast	2025-08-14 03:24:01	View
Tuindorp Enschede Gateway 🌐🔌 (TDRG)	-14.614s Before	-116.0 dBm	-6.50 dB	1	LongFast	2025-08-14 03:24:01	View
Tolkamer 93b4 (Erdw)	-12.191s Before	-122.0 dBm	-13.75 dB	2	LongFast	2025-08-14 03:24:03	View
Meshtastic bb5c (bb5c)	-12.058s Before	-125.0 dBm	-13.75 dB	2	LongFast	2025-08-14 03:24:03	View
Grunty (4920)	-12.051s Before	-128.0 dBm	-19.25 dB	2	LongFast	2025-08-14 03:24:03	View
Terwinselen \| Kerkrade \| Netherlands (TKNB)	-5.272s Before	-121.0 dBm	-2.00 dB	2	OpenChat	2025-08-14 03:24:10	View
MT Node Pey (PEY)	-2.934s Before	-118.0 dBm	-12.50 dB	3	LongFast	2025-08-14 03:24:12	View
Terwinselen \| Kerkrade \| Netherlands (TKNB)	+985.102s After	-122.0 dBm	-3.75 dB	5	OpenChat	2025-08-14 03:40:40	View
Kiep (KIEP)	+5744.242s After	-128.0 dBm	-18.75 dB	0	LongFast	2025-08-14 05:00:00	View
No13 Oirschot (OIR1)	+5744.498s After	-121.0 dBm	-12.50 dB	7	LongFast	2025-08-14 05:00:00	View
PA3JH 🗼 (2.7.3) (3JH2)	+5744.630s After	-105.0 dBm	-5.50 dB	7	LongFast	2025-08-14 05:00:00	View
No13 Oirschot (OIR1)	+7045.609s After	-122.0 dBm	-12.75 dB	7	LongFast	2025-08-14 05:21:41	View

28

Total Receptions

14

Unique Gateways