28.007 KhZ CW DH8BQA (Germany)

(1:27)

FK8DD/m QSO with JN7TAN on 10m 24/10/2015

(42)

1kHz Sine Wave Test Tone Signal

(6:6)

FK8DD/m QSO with YO6FGZ on 10m 25/10/2015

(49)

FK8DD/M QSO with RW0AB and RJ3AA on 10m 25/10/2015

(1:14)

FK8DD/m QSO with US4IQ and UW2ZM on 10m 25/10/2015

(1:8)

10100 Hertz: Heal Pituitary Gland ❯❯❯ WAIT TILL 6 Mins! • Quantum Miracle Formula Frequency

(1:23)

17000 Hz Test Tone 10 Hours

(10:)

2016 CQ WW DX Contest SSB 28MHz

(4:50)

30000 Hz || 30 kHz Sine Wave Sound Frequency Tone •♕• - 10 mins

(10:1econd)

1Hz to 22000Hz, frequency generator, human audio spectrum, suara pembersih speaker hp

(18:24)

Yaesu FTDX3000 Noise Blanker

(6:)

⚠️(Wall Penetration Version) 🚫🐀🐁 Rat \u0026 Mouse Repellent Sound Very High Frequency (9 Hour)

(9:1econd)

25000 Hz clean pure sine wave TEST TONE 25 khz frequency

(10:5)

15000 Hz Test Tone 10 Hours

(10:)

Hearing Test HD

(6:)

FK8DD/m QSO with JH1TFE on 10m 24/10/2015

(34)

FK8DD/M QSO with UD8A RJ7J RW7M on 10m 25/10/2015

(1:29)

FK8DD/M QSO with OK1KFB on 10m 24/10/2015

(54)

FK8DD/m QSO with UA9HVS on 10m 25/10/2015

(41)

FK8DD/m QSO with JH6HJL on 10m 24/10/2015

(37)

20 - 20,000 Hz Audio Sweep | Range of Human Hearing

(36)

FK8DD/m QSO with HA8TI on 10m 24/10/2015

(25)

17000 Hz clean pure sine wave TEST TONE 17 khz frequency

(10:5)

FK8DD/m QSO with JA1BOK and YO6KPT on 10m 25/10/2015

(1:35)

HF-CW,14-10-2011,28.007MHZ,1307Z-1312Z W1RM,K8FL,N4BAA,ON4CD.wmv

(6:7)

FK8DD/M QSO with R2015PK and YB1FWO on 10m 25/10/2015

(1:36)

QSO with UA9AEI R7NW UR7MG on 10m 25/10/2015

(2:58)

Contikenzo Radio -- 5800 kHz

(2:11)