Buy Mark Garrison Jr. (EchoSDR) a Coffee

Support Mark Garrison Jr. (EchoSDR) About

Building Echo, the universal iOS SDR client for iPhone/iPad/Mac with support for KiwiSDR, OpenWebRX, WebSDR, and FM-DX.

Software

x 184 received

Pay Mark Garrison Jr. (EchoSDR) directly with

Mark Garrison Jr. (EchoSDR)

The universal radio receiver for iOS. KiwiSDR + OpenWebRX + WebSDR + FM-DX in one app. Listen to anything, from anywhere. Echo connects you to 2000+ community-hosted radio receivers spanning every continent. Tune into shortwave broadcasts from Asia, aviation communications over the Atlantic, mysterious numbers stations, or distant FM stations from hundreds of miles away, all from your iPhone.
Show more

Feed

Give support

Make money doing what you love.
Start a free page

Choose a membership level

Choose amount

{{ currencySign }}{{ donationPanel.unitAmount }} each

- +

or enter an amount

Please enter at least {{ currencySign }}{{ donationPanel.minimumAmount }}

Maximum name length is 50 characters

Private message

Make it monthly and unlock member-only benefits and unlock {{ donationPanel.monthlyBenefits.UnlockableGalleryItems + donationPanel.monthlyBenefits.UnlockablePosts }} posts

Discord roles available to monthly supporters Discord roles available

See all {{ donationPanel.membershipTiers.length }} tiers See all {{ donationPanel.membershipTiers.length }} tiers

{{ currencySign }}{{ parseFloat(tier.PricePerMonth).toFixed(2).replace(".00", "") }} per month

{{ tier.SpotsAvailable }} places left

No places left

Your current tier

{{ benefit.Description }}

See All {{ donationPanel.membershipTiers.length }} Tiers

Your email address

Please provide a valid email address

Tip with...

You're paying directly. Tips are considered voluntary and freely given.

Go back

By proceeding with your payment, you acknowledge that you are paying directly, not Ko-fi. Any questions, refund requests, or issues must be directed to .

{{ header }}

Confirm your email