Packet #6016571 Success

POSITION_APP packet from gt8 to !ffffffff

Total Receptions

Unique Gateways

Hop Count

Payload Bytes

Packet Information

Database ID:	6016571
Mesh Packet ID:	`0xdd4e42f3` Used for correlation across gateways
Timestamp:	2026-01-15 08:37:39 UTC
From Node:	gt8 (2fb8)
To Node:	!ffffffff (ffff)
Success:	Processed
Protocol:	POSITION_APP Port: 3

Gateway:	SYSXX OGW8 (SXG8)
Channel:	LongFast
RSSI:	-75 dBm
SNR:	6.25 dBm
Hop Info:	7/7 hops Start: 7, Limit: 0

Payload Data

Protocol: POSITION_APP

Size: 23 bytes

Decoded: Yes

Decoded Data:

Latitude:	55.836672°
Longitude:	37.591450°
Altitude:	197 m
Precision:	12 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:	!efffff03
Channel:	LongFast
Payload Type:	POSITION_APP
Hop Count:	7 / 7

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
+ 3 more...

MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

Field	Value
`gateway_id`	`!efffff03` 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

Field	Value	Type
`from`	`2666213304` Source node ID	uint32
`to`	`4294967295` (Broadcast) Visible to all nodes	uint32
`decoded.portnum`	`3` POSITION_APP	enum
`decoded.payload_length`	`23` bytes	size
`hop_limit`	Not set	uint32
`hop_start`	`7` Initial hop limit	uint32
`hops_taken`	`7` Calculated: hop_start - hop_limit	derived
`rx_rssi`	`-75.0` dBm Signal strength at gateway	int32
`rx_snr`	`6.25` dB Signal quality at gateway	float
`rx_time`	`1768455459` 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`	`196` Relay node ID	uint32
`tx_after`	Not set	uint32
`timestamp`	`1768455459.599007` 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
✓ Reduced position precision: ~5800.0m accuracy

Exposure Risks:

⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (7 hops)
⚠ RF signal metrics exposed (location inference possible)

MQTT-Specific Fields

Gateway ID:	`!efffff03`
Position Precision:	12 bits (~5800.0m accuracy)
Position precision meters:	`5800.0`
Signal Metrics:	RSSI: -75.0 dBm SNR: 6.25 dB

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": 55.836672, "longitude": 37.5914496, "altitude": 197, "sats_in_view": null, "precision_bits": 12 }

Complete Protobuf Decode (JSON)

{ "service_envelope": { "gateway_id": "!efffff03", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2666213304, "to": 4294967295, "id": 3712893683, "rx_time": 1768455459, "rx_snr": 6.25, "rx_rssi": -75, "hop_limit": 0, "hop_start": 7, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 196, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00004821150000681618c50128017800800100b8010c", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 558366720, "longitude_i": 375914496, "altitude": 197, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 12, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }

Raw Packet Data (23 bytes)

0d00004821150000681618c50128017800800100b8010c

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	Channel	Timestamp	Actions
SYSXX OGW8 (SXG8) Primary	0.000s Reference	-75.0 dBm	6.25 dB	7	LongFast	2026-01-15 08:37:39	Current
Zoͦmͫвⷡiͥeͤ [GW8] (🧟)	-4499.621s Before	-88.0 dBm	1.50 dB	1	LongFast	2026-01-15 07:22:39	View
Zoͦmͫвⷡiͥeͤ [GW8] (🧟)	-4499.335s Before	-88.0 dBm	1.50 dB	7	LongFast	2026-01-15 07:22:40	View
Fostral (FSTR)	-4491.429s Before	-83.0 dBm	-15.25 dB	4	LongFast	2026-01-15 07:22:48	View
EGarpunov 2 868 (Base) (BAO) (EG28)	-4491.395s Before	-113.0 dBm	-9.25 dB	4	LongFast	2026-01-15 07:22:48	View
patch866 (pth8)	-4490.310s Before	-68.0 dBm	2.25 dB	4	LongFast	2026-01-15 07:22:49	View
BBS Восток (DM📲) (BBSv)	-4489.821s Before	-107.0 dBm	-13.50 dB	5	LongFast	2026-01-15 07:22:49	View
SYSXX YGW8 (SXY8)	-4489.722s Before	-109.0 dBm	-16.25 dB	5	LongFast	2026-01-15 07:22:49	View
hmbm (f55c)	-4489.198s Before	-97.0 dBm	2.75 dB	5	LongFast	2026-01-15 07:22:50	View
VEGA 6d78 (VEGA)	-4488.176s Before	-84.0 dBm	-3.75 dB	6	LongFast	2026-01-15 07:22:51	View
VEGA 6d78 (VEGA)	-4487.901s Before	-84.0 dBm	-3.75 dB	7	LongFast	2026-01-15 07:22:51	View
Dragon868-1 (D1)	-4484.762s Before	-123.0 dBm	-14.75 dB	5	LongFast	2026-01-15 07:22:54	View
Dragon868-1 (D1)	-4484.451s Before	-123.0 dBm	-14.75 dB	7	LongFast	2026-01-15 07:22:55	View
Aster-02 (AST2)	-4480.260s Before	-90.0 dBm	-4.25 dB	7	LongFast	2026-01-15 07:22:59	View
SYSXX BGW8 (SXB8)	-4480.233s Before	-119.0 dBm	-9.75 dB	7	LongFast	2026-01-15 07:22:59	View
Aster-02 (AST2)	-4479.977s Before	-90.0 dBm	-4.25 dB	7	LongFast	2026-01-15 07:22:59	View
SYSXX OGW8 (SXG8)	-4478.725s Before	-67.0 dBm	6.00 dB	7	LongFast	2026-01-15 07:23:00	View
RN3ABX Georgy 2 (ABX2)	-4478.484s Before	-126.0 dBm	-17.25 dB	7	LongFast	2026-01-15 07:23:01	View
Tsaritsyno_KB_U_868 (KBU8)	-4430.149s Before	-48.0 dBm	5.75 dB	6	LongFast	2026-01-15 07:23:49	View
Tsaritsyno_KB_U_868 (KBU8)	-4429.928s Before	-48.0 dBm	5.75 dB	7	LongFast	2026-01-15 07:23:49	View
Zoͦmͫвⷡiͥeͤ [GW8] (🧟)	-1.784s Before	-94.0 dBm	-1.75 dB	5	LongFast	2026-01-15 08:37:37	View
SYSXX YGW8 (SXY8)	-1.742s Before	-97.0 dBm	-12.00 dB	5	LongFast	2026-01-15 08:37:37	View
Keyhost GW8 (KHS8)	-1.720s Before	-121.0 dBm	-18.50 dB	5	LongFast	2026-01-15 08:37:37	View
SYSXX BGW8 (SXB8)	-1.696s Before	-116.0 dBm	-8.25 dB	5	LongFast	2026-01-15 08:37:37	View
Koptevo-8-MQTT (BM8M)	-1.541s Before	-117.0 dBm	-14.25 dB	5	LongFast	2026-01-15 08:37:38	View
RN3ABX Georgy 2 (ABX2)	-1.492s Before	-126.0 dBm	-17.25 dB	5	LongFast	2026-01-15 08:37:38	View
SYSXX OGW8 (SXG8)	-0.267s Before	-75.0 dBm	6.25 dB	5	LongFast	2026-01-15 08:37:39	View
Medved GW8 (MED8)	+0.427s After	-98.0 dBm	3.00 dB	6	LongFast	2026-01-15 08:37:40	View
patch866 (pth8)	+1.580s After	-68.0 dBm	1.25 dB	6	LongFast	2026-01-15 08:37:41	View
Fostral (FSTR)	+1.785s After	-84.0 dBm	-17.50 dB	7	LongFast	2026-01-15 08:37:41	View
hmbm (f55c)	+1.871s After	-101.0 dBm	-10.00 dB	7	LongFast	2026-01-15 08:37:41	View
Aster-02 (AST2)	+10.039s After	-98.0 dBm	-12.25 dB	6	LongFast	2026-01-15 08:37:49	View
Butyrskaya 868 (But8)	+175.892s After	-102.0 dBm	-1.75 dB	7	LongFast	2026-01-15 08:40:35	View
Butyrskaya 868 (But8)	+176.117s After	-102.0 dBm	-1.75 dB	7	LongFast	2026-01-15 08:40:35	View
ZA_MKAD_22_868_1 (8681)	+451.492s After	-136.0 dBm	-15.25 dB	7	LongFast	2026-01-15 08:45:11	View

35

Total Receptions

19

Unique Gateways